The percent of increase from 60 to 70 rounded to the nearest percent is 17%.
What is the percent of increase?Percent increase is simply the amount of increase from the initial value to the new value in terms of 100 parts of the initial value.
It is expressed as;
C = ((x₂ - x₁) / x₁)100%
Where x₁ is initial value and x₂ is new value
Given that;
Initial value x₁ = 60New value x₂ = 70Percentage increase C = ?Plug in the given values and solve for C.
C = ((x₂ - x₁) / x₁)100%
C = ((70 - 60) / 60) × 100%
C = ( 10 / 60) × 100%
C = 1/6 × 100%
C = 17%
Therefore, the percentage increase is 17%.
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Tennis great Roger Federer made 63% of his first serves in a recent season. When Federer made his first serve, he won 78% of the points. When Federer missed his first serve and had to serve again, he won only 57% of the points. Suppose you randomly choose a point on which Federer served. You get distracted before seeing his first serve but look up in time to see Federer win the point. What’s the probability that he missed his first serve?
The probability that Federer missed his first serves given that he won the point is 0.30%.
What is the probability that he missed his first serve?Generally, To solve this problem, we can use Bayes' theorem. Bayes' theorem states that:
P(A|B) = P(B|A) * P(A) / P(B)
where
A and B are events, and
P(A|B) is the probability of event A given that event B has occurred.
In this problem, let A be the event that Federer missed his first serve, and let B be the event that he won the point.
We are trying to find P(A|B), the probability that Federer missed his first serve given that he won the point.
We know that:
P(A) = 1 - 0.63 = 0.37 (the probability that Federer missed his first serve, given that he made 63% of his first serves)
P(B|A) = 0.57 (the probability that Federer won the point given that he missed his first serve)
P(B|A') = 0.78 (the probability that Federer won the point given that he made his first serve)
We can use these probabilities and Bayes' theorem to find the answer:
P(A|B) = P(B|A) * P(A) / ( P(B|A) * P(A) + P(B|A') * P(A'))
P(A|B) = 0.57 * 0.37 / ( 0.57 * 0.37 + 0.78 * 0.63)
= 0.30029 or 30.33%
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Answer:
0.3
Step-by-step explanation:
Tennis great Roger Federer made 63% of his first serves in a recent season. When Federer made his first serve, he won 78% of the points. When Federer missed his first serve and had to serve again, he won only 57% of the points. Suppose you randomly choose a point on which Federer served. You get distracted before seeing his first serve but look up in time to see Federer win the point. What’s the probability that he missed his first serve?
Please answer this question for me
The criterion that she should use to prove that triangles RST and XYZ are congruent are:
i. Hypotenuse Leg (HL)
ii. Side-Angle-Side (SAS)
What are congruent triangles?When the corresponding properties i.e. length of sides and measure of internal angles of two or more triangles are equal, then the triangles are said to be congruent. The relations can be shown using some theorems.
From the given triangles RST and XYX, it can be observed that;
TR ≅ XZ
RS ≅ XY
<R ≅ <X (given)
<T ≅ <Z (given)
Angles R and X are included angle of the triangles. Thus, the criterion that can be used to show that triangles RST and XYZ are congruent at;
i. Hypotenuse Leg (HL)
ii. Side-Angle-Side (SAS)
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show that there are exactly labeled simple graphs on n vertices. for any value of , how many of those labeled simple graphs have exactly edges?
It is proved that there are exactly [tex]2^{\frac{n(n-1)}{n}}[/tex] labeled simple graphs on n vertices. And about [tex]\left(\begin{array}{c}{ \frac{n(n-1)}{2}}&\\m&\end{array}\right)[/tex] labeled simple graphs that have exactly m edges.
(i) The number of edges that can be on n vertices is [tex]\frac{n(n-1)}{2}[/tex]. We have (n-1) choices to put an edge for each vertex. Also, we have n choices to select the first vertices. So in total, we have n(n-1) choices but each edge is counted twice. Then, all distinct edges on n vertices are given by [tex]\frac{n(n-1)}{2}[/tex].
Let us consider H to be any graph that lies on n vertices. And this denotes all the edges [tex]e_1, e_2, e_3,\cdots \cdots \cdots e_{\frac{n(n-1)}{2}}[/tex]. For each edge [tex]e_i[/tex], the number of choices we have is two. One is [tex]e_i[/tex] is an edge in H. Another is [tex]e_i[/tex] is not an edge in H. This is therefore written as 2×2×..............×2 choices, and this number [tex]2^{\frac{n(n-1)}{n}}[/tex] equals labeled simple graphs on n vertices.
(ii) Out of [tex]\frac{n(n-1)}{2}[/tex] edges, we can select m edges for a graph by [tex]\left(\begin{array}{c}{ \frac{n(n-1)}{2}}&\\m&\end{array}\right)[/tex]ways. Then, the number of graphs that are present on n vertices with m edges is written as [tex]\left(\begin{array}{c}{ \frac{n(n-1)}{2}}&\\m&\end{array}\right)[/tex].
The complete question is -
(i) Show that there are exactly [tex]2^{\frac{n(n-1)}{n}}[/tex] labeled simple graphs on n vertices.
(ii) For any value of, how many of those labeled simple graphs have exactly m edges?
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Cual es el mínimo común múltiplo de 29 y 35?
Answer:
1015
Step-by-step explanation:
29 es un número primo.
Por tanto:
29*35 = 1015
El mínimo común múltiplo de 29 y 35 es:
1015
show that if a and b both have linearly independent column vectors, then the column vectors of c will also be linearly independent.
To show that if the column vectors of matrix A and B are linearly independent, then the column vectors of matrix C = A*B will also be linearly independent, we can use the following proof:
Assume that the column vectors of matrix A and B are linearly independent. Let's assume that the column vectors of matrix C = A*B are linearly dependent.
This means that there exists a non-trivial linear combination of the column vectors of C that results in the zero vector.
C = AB => c_1 = Ab_1, c_2 = Ab_2, ... c_n = Ab_n
Let's assume that a linear combination of c1, c2, ..., cn results in the zero vector.
a_1c_1 + a_2c_2 + ... + a_n*c_n = 0
Now, we can substitute the matrix multiplication for ci:
a_1Ab_1 + a_2Ab_2 + ... + a_nAb_n = 0
Since matrix A is non-singular, we can left multiply by A^-1
A^-1*(a_1Ab_1 + a_2Ab_2 + ... + a_nAb_n) = A^-1*0
This simplifies to
a_1b_1 + a_2b_2 + ... + a_n*b_n = 0
This is a non-trivial linear combination of the column vectors of matrix B that results in the zero vector, which contradicts the assumption that the column vectors of matrix B are linearly independent. Therefore, the column vectors of matrix C = A*B must also be linearly independent.
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In which sentence does the verb most
accurately and vividly describe the
action?
A. The joke was so hilarious that the audience roared!
B. The joke was so hilarious that the audience smirked!
C. The joke was so hilarious that the audience smiled!
Sentence A: "The joke was so hilarious that the audience roared!" most accurately and vividly describes the action.
Which sentence does the verb most accurately and vividly describe the action?In this sentence, the verb "roared" is used to describe the reaction of the audience to the joke. Roaring is a strong and lively verb that conveys the idea that the audience was highly entertained and had a strong emotional reaction to the joke.Sentence B: "The joke was so hilarious that the audience smirked!" is not vivid enough to describe the action as the audience reaction is not clearly defined. Smirking is usually a subtle expression that might be difficult to interpret.Sentence C: "The joke was so hilarious that the audience smiled!" is also not vivid enough to describe the action as smiling is a common reaction to something funny and it doesn't clearly convey the level of audience's reaction.Overall, Sentence A is the most accurate and vivid as it describes the audience's reaction in a lively and emotional way.To learn more about verb refer to;
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Sentence A is the most accurate and vivid as it describes the audience's reaction in a lively and emotional way.
Which sentence does the verb most accurately and vividly describe the action?In this sentence, the verb "roared" is used to describe the reaction of the audience to the joke. Roaring is a strong and lively verb that conveys the idea that the audience was highly entertained and had a strong emotional reaction to the joke.
Sentence B: "The joke was so hilarious that the audience smirked!" is not vivid enough to describe the action as the audience reaction is not clearly defined. Smirking is usually a subtle expression that might be difficult to interpret.
Sentence C: "The joke was so hilarious that the audience smiled!" is also not vivid enough to describe the action as smiling is a common reaction to something funny and it doesn't clearly convey the level of audience's reaction.
Overall, Sentence A is the most accurate and vivid as it describes the audience's reaction in a lively and emotional way.
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Sheila and Dora worked 3 1 2 hours and 5 1 2 hours, respectively, on a programming project. They were paid $198 for the project. How much (in dollars) did each earn?
Sheila get $77 and Dora get $121 paid.
What is Fraction?The fractional bar is a horizontal bar that divides the numerator and denominator of every fraction into these two halves.
The number of parts into which the whole has been divided is shown by the denominator. It is positioned in the fraction's lower portion, below the fractional bar.How many sections of the fraction are displayed or chosen is shown in the numerator. It is positioned above the fractional bar in the upper portion of the fraction.Given:
Sheila and Dora worked 3 1/2 hours and 5 1/2 hours.
Total they get paid = $198.
In one hour the amount of work they done is 7/2 and 11/2.
So, the ratio of their work = (7/2)/ (11/2)= 7/11
So, the amount Sheila get
= 7/18 x 198
= $77
and, the amount Dora get
= 11/18 x 198
= $121
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Carl is preparing to clean out the gutters on his
house. The gutters are 24 feet from the ground.
The bottom of the ladder and the ground make a
60 degree angle. How far away from the house
should the ladder be placed in order to reach the
gutters?
Answer:
The gutters are 24 ft above the ground. For safety, the distance a ladder reaches up a wall should be four times the distance from the bottom of the ladder to the base of the side of the house. Therefore, the ladder must be 6 ft from the base of the house.
The deck of a bridge is suspended 285 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by
y = 285 − 16t2.
(a). Find the average velocity (in ft/s) of the pebble for the time period beginning when t = 2 and lasting the following amount of time.
(I) 0.1 seconds = ___ ft/s (ii) 0.05 seconds = _____ft/s (iii) 0.01 seconds = _____ ft/s (b). Estimate the instantaneous velocity (in ft/s) of the pebble after 2 seconds. = ____ft/s
(a) (i) Average velocity = -160 ft/s, (ii) Average velocity = -320 ft/s, (iii) Average velocity = -1600 ft/s. (b) Instantaneous velocity = -320 ft/s.
(a) (i) Average velocity = change in height/change in time
= (285 - (285 - 16(2.1)^2))/0.1
= -160 ft/s
(ii) Average velocity
= (285 - (285 - 16(2.05)^2))/0.05
= -320 ft/s
(iii) Average velocity
= (285 - (285 - 16(2.01)^2))/0.01
= -1600 ft/s.
(b) Instantaneous velocity = -320 ft/s.
The average velocity of the pebble after t seconds is given by the equation y = 285 − 16t2. To find the average velocity for the time period beginning when t = 2, we can calculate the change in height of the pebble over the given time period and divide it by the change in time. For instance, for 0.1 seconds, we can calculate the average velocity by dividing the change in height (285 - (285 - 16(2.1)^2)) by the change in time (0.1). This gives us an average velocity of -160 ft/s. Similarly, for 0.05 and 0.01 seconds, the average velocity can be calculated to be -320 ft/s and -1600 ft/s respectively. To estimate the instantaneous velocity of the pebble after 2 seconds, we can assume that the change in time is very small and approximate the velocity to be the average velocity for 0.01 seconds. This gives us an instantaneous velocity of -320 ft/s.
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1) Solve and graph the inequalitiy x + 8 < - 3
2) Write a statement that repersent the number line below
the pet shelter, for every 7 dogs there are 5 cats. What is the ratio of dogs to cats?
a) The inequality equation is x < -11
b) The inequality equation is x < 7
c) The ratio of dogs to cats is 7 : 5
What is an Inequality Equation?Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.
In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.
Given data ,
Let the inequality equation be represented as A
Now , the value of A is
a)
Substituting the values in the equation , we get
x + 8 < -3 be equation (1)
On simplifying the equation , we get
Subtracting 8 on both sides of the equation , we get
x < -11
Therefore , the inequality is x < -11
b)
The inequality representing the number line is x < 7
c)
Let the ratio be represented as A
The number of dogs = 7
The number of cats = 5
The ratio of dogs to cats = number of dogs / number of cats
Substituting the values in the equation , we get
The ratio of dogs to cats = 7 / 5
Therefore , the ratio is 7 : 5
Hence , the inequality relation is solved
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Given the information below, match the step with the reason it can be stated.
The reasons that matches each steps are:
1. Given (first occurrence)
2. Given (second occurrence)
3. Vertical angles theorem
4. ASA
5. CPCTC
What is the CPCTC?CPCTC stands for "corresponding parts of congruent triangles are congruent", which connote that if two triangles are congruent, then every parts that are corresponding will be congruent to each other also.
Thus the reason that match each steps would be stated as follows:
1. C is the intersection point of CD and EB » Given (first occurrence)
2. AC ≅ EC and <A ≅ <E » Given (second occurrence)
3. <ACB ≅ <ECD » Vertical angles theorem
4. ∆ABC ≅ ∆EDC » ASA
5. AB ≅ ED » CPCTC
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Factor the expression 48+72 using the GCF
Using the greatest common factor the expression is factored to be
12 (4 + 6)What is greatest common factor?The largest number among all the common factors of the given numbers is known as the GCF (Greatest Common Factor) of two or more numbers.
The greatest integer that may be used to divide two natural numbers x and y without producing any remainders is called their GCF.
Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72.
The greatest common factor of 48 and 72 is 12
hence we have
12 (4 + 6)
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Mrs. Gaither had 22 students in her
first class of the day. Today, only 18 of
them were present. What fraction of
her students were ABSENT? Write the
fraction in simplest terms.
I NEED IT ASAP PLEASE
Answer:
2/11
Step-by-step explanation:
Normally 22 kids. 22 kids on the attendance roster.
18 kids say, "Here!" when their name is called.
22 - 18 is 4. 4 kids don't say anything when their name is called because they are at home still. 4 kids absent.
4 out of 22 kids absent. 4/22 kids absent.
4/22 simplifies to 2/11.
2/11 of the kids are absent.
Write the domain of the function using interval notation.
Photo added to help answer the question
The domain of a function refers to the set of all possible inputs for the function.
Write the domain of the function using interval notation?In interval notation, the domain of a function is written as a set of values that the function's input can take on. For example, the domain for the function f(x) = x2 + 3 can be written as the set of all real numbers, or (-∞,∞), or in interval notation, (-∞,∞). This means that any real number can be used as an input for this function, and the output will be a real number as well.Interval notation is a way of writing the domain of a function in a compact form. It describes the range of values that the input of a function can take on. To write the domain of a function in interval notation, one must first identify the set of all possible inputs for the function. Then, one must identify the range of values that the input can take on within this set. This range of values can then be written as an interval in the form (a,b), where a and b are the lower and upper bounds of the interval respectively.For example, the domain of the function y = x2 + 2x + 3 can be written as the set of all real numbers, or (-∞,∞), or in interval notation, (-∞,∞). This means that any real number can be used as an input for this function, and the output will be a real number as well.Interval notation is a useful tool for quickly and concisely writing the domain of a function. It allows for a compact representation of the set of all possible inputs for a function, and is a useful tool for quickly determining the domain of a function.To learn more about the domain of the function using interval notation refer to:
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division story for 40 divided by 4
I have 40 cupcakes in my house. That day, 3 friends came over. All of us have the same number of cupcakes each. How many cupcakes did we each eat?
The story of 40 divided by 4 reminding everyone about the importance of fairness and sharing.
There were 40 colorful candies waiting to be shared equally among 4 friends.
The candies were so delicious and enticing that the friends couldn't wait to indulge in their sweet treat.
The four friends, named Alex, Ben, Chris, and Dana, gathered around a table with their empty candy bags in front of them.
They were filled with excitement as they knew it was time to divide the candies fairly.
With the candies in the center of the table, they decided to take turns dividing them into smaller piles.
Alex went first and carefully divided the candies into 10 piles, making sure each pile had an equal number of candies.
This left 10 candies in each pile.
Then, it was Ben's turn. He took one pile of 10 candies and divided it into two equal piles, with 5 candies in each.
Ben did the same with the other nine piles, resulting in a total of 20 piles, each containing 5 candies.
Next, it was Chris's turn. He picked one pile with 5 candies and divided it into two equal piles, leaving 2 candies in each pile.
Chris repeated this process with the remaining 19 piles, resulting in a total of 40 piles, each containing 2 candies.
Finally, it was Dana's turn. Dana took one pile with 2 candies and divided it equally between two empty candy bags, leaving 1 candy in each bag. Dana repeated this process with the remaining 39 piles, resulting in a total of 80 candy bags, each containing 1 candy.
In the end, all four friends had received their fair share of candies. They joyfully took their candy bags and started savoring the delicious treats, grateful for their successful division.
And so, the story of 40 divided by 4 came to a sweet conclusion, reminding everyone about the importance of fairness and sharing.
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11. What equation in slope-intercept form represents the line that passes through the points (-3, 4) and (0, -1)?
Slope is a metric that expresses how inclined a line is with respect to the horizontal.Answer is y = (-5/3)x - 1 .
What is the equation ?Slope is a metric that expresses how inclined a line is with respect to the horizontal.
The anti-clockwise measured tangent of the angle between a line and the positive x-axis is the slope of a straight line.
The slope of the line will be m = tan if is the angle between a straight line and the positive x-axis.
Y/X = (Y2 - Y1)/(X2 - X1) = m = tan
A straight line's equation is (y - y1)/(x - y1) = (y2 - y1)/(x2 - x1) if it goes through the points (x1, y1) and (x2, y2).
Y = mx + c is the equation of a straight line in slope intercept form.
Solution:
Given: A straight line connects (-3, 4) and (0, -1).
To determine: The straight line equation
Since ,
Since (-3,4) and (0,-1) are on a straight line, its equation will be as follows:
y - y1 / x - x1 = y2 - y1 / x2 - x1
→ (y - 4)/(x - (-3)) = (-1 - 4)/(0 - (-3))
→ (y - 4)/(x + 3) = - 5/3
→ y - 4 = (-5/3)(x + 3)
→ y - 4 = (-5/3)x - 5
→ y = (-5/3)x - 5 + 4
→ y = (-5/3)x - 1
Hence ,
The necessary formula is y = (-5/3)x - 1.
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De una botella que contenía 1litro de agua, Juan bebió 1/4 de litro.Expresa con forma de número decimal la cantidad de agua que queda en la botella
The fraction of water left from the bottle which was 1 liter is 3/4 liter.
How to calculate the fraction?Fraction simply means a piece of a whole. In this situation, the number is represented as a quotient such that the numerator and denominator are split. In this situation, in a simple fraction, the numerator as well as the denominator are both integers.
In this case, from the bottle which was 1 liter, Juan drank 1/4. The amount that is left will be:
= 1 - 1/4
= 3/4
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From a recent study, it was found that 10% of students travel outside of the country during spring break. Is this an example of descriptive statistics or inferential statistics?
This is an example of descriptive statistics. Descriptive statistics is used to summarize, organize, and present data in a meaningful way.
Is this an example of descriptive statistics or inferential statistics?It involves the collection, analysis, interpretation, and presentation of data. In this case, the study found that 10% of students travel outside of the country during spring break. This is a summary of the data collected and presents it in a way that is easy to understand. It gives a percentage of students who travel outside of the country during spring break, which can be used to describe the behavior or characteristics of students.On the other hand, inferential statistics is used to make predictions or draw conclusions about a population based on a sample of data. It involves using statistical methods to make inferences about a population from a sample. For example, if a study found that 10% of students at a particular university travel outside of the country during spring break, inferential statistics would be used to make predictions or conclusions about the behavior or characteristics of students at other universities.To learn more about inferential statistics refer to:
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Sauv drove 296 miles in 8 hours.If he continued at the same rate,how far would he travel in 10 hours?
One-half the sum of two numbers is 12. One of the numbers is three more than two times the other number. What are the two numbers?
Answer:
The two numbers are 17 and 7
Step-by-step explanation:
Translate this word problem into a math equation
If we let x and y be the two unknown numbers
One-half the sum of two numbers is 12 ==>
sum of two numbers : x + yone-half the sum of two numbers : (1/2)(x + y)one-half the sum of two numbers is 12: (1/2)(x + y) =12
So one equation is 1/2(x + y) =12
Multiplying throughout by 2 gets rid of the denominator:
2 x 1/2 x (x + y) = 2 x 12
x + y = 24 (1)
One of the numbers is three more than two times the other number:
x = 2y + 3
or
x - 2y = 3 (2)
Equation (2) - Equation (1) =>
x + y - (x -2y) = 24 - 1
x + y - x + 2y = 21
3y = 21
y = 21/3
y = 7
With y = 7, substituting in equation 1 gives
x + y = 24
x + 7 = 24
x = 24-7
x = 17
The two numbers are 17 and 7
Please help
The division 7+5i/2-5i, is performed by multiplying the numerator and denominator by
View image
Ben scores 56 out of 79 on a maths test
what percent did he get?
If Ben scores 56 out of 79 on a maths test. The percentage he get is: 0.7089.
How to find the percentage he got?Using this formula to determine the percentage he got
Percentage gotten = Number of scores / Total score
Where:
Number of score = 56
Total score = 79
Let plug in the formula
Percentage gotten = 56 ÷ 79
Percentage gotten = 0.70886
Percentage gotten = 0.7089 (Approximately)
Therefore we can conclude that he got 0.7089 .
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If m
and mzABD = (4x + 14)°. Find the
measurements of CBD and
The measure of the angles <ABC and <CBD are 48⁰ and 42⁰
How to calculate the measure of angles?The angle ABC and angle CBD are complementary angles, m <ABC=(3x+6)⁰ and m<CBD=(4x-14)⁰
The angles are complementary which means that they sum to 90⁰
Therefore, we get: <ABC + <CBD = 90⁰
3x + 6 + 4x - 14 = 90 ------ Substituting 3x + 6 and 4x - 14 for < ABC and <CBD
7x = 98
x= 98/7 = 14⁰
Therefore; Measure of <ABC:
Measure of<CBD:
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Correct question:
Find the measure of each angle angle ABC and angle CBD are complementary angles, m angle ABC=(3x+6)degrees, and m angle CBD=(4x-14)degrees stuck on this problem, Thank you fo
Solve system of equations for unknown variables. X-4=11
The value of x which makes the equation true is 15.
What is the system of equations?
A system of equations is a set of two or more equations that contain multiple variables. These equations are typically used to describe a real-world situation and are solved simultaneously to find the values of the variables.
To solve a system of equations for unknown variables, you can use one of several methods, such as substitution, elimination, or graphing.
To solve a system of equations such as x-4=11, you have to find the value of x which will make the equation true.
x-4=11
x=15
Hence, the value of x which makes the equation true is 15.
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9.) Multiple Choice: In triangle ABC, side AB has a length of 6cm and side BC has a length of 10cm. What is the length of AC?
The length of AC of the given right angle triangle is; AC = 8
How to use Pythagoras theorem?Pythagoras Theorem is defined as the way in which you can find the missing length of a right angled triangle. The triangle has three sides, the hypotenuse, Opposite and the adjacent side.
Now, the given triangle is a right angle triangle and using Pythagoras theorem, we can say that;
AC = √(BC² - AB²)
Thus;
AC = √(10² - 6²)
AC = √64
AC = 8
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there are 8 people who would like to share a box of granola bars that contains 8 bars haw many granola bars does each person get if they share equally
Answer:
One bar each
Step-by-step explanation:
8 people/8granola bars =1 bar each
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44. Between which two integers would the solution to 4^x = 50 lie? Second, find the exact solution by changing to logarithmic form and solving.
Answer: To find the two integers between which the solution to 4^x = 50 lies, we can take the logarithm base 4 of both sides of the equation: x = log4(50). The logarithm of 50 with base 4 is approximately 2.3219. Since the logarithm of a number is always positive, the solution to 4^x = 50 lies between 2 and 3.
To find the exact solution, we can change the equation to logarithmic form by taking the logarithm base 4 of both sides: log4(4^x) = log4(50)
Using the logarithmic identity: log(b^x) = x*log(b)
So we have: x*log(4) = log(50)
Dividing both sides by log(4), we have:
x = log(50) / log(4)
To find the exact solution we can approximate log(50) / log(4) using a calculator or logarithm tables. The exact solution is x ≈ 2.32192809488736218170856773213.
So, the exact solution is x = 2.32192809488736218170856773213, which is between 2 and 3, as stated before.
Step-by-step explanation:
identify the sampling method that was used. fifteen instructors are chosen using random numbers to implement a new learning strategy.
Random sampling is the sampling method that was used.
Random sampling is a method in which all members of the population have an equal chance of being selected for the sample. In this case, fifteen instructors were chosen using random numbers to implement the new learning strategy.Random sampling is a useful tool when a researcher needs to select a representative sample from a population. By using random numbers to choose the sample, the researcher can ensure that the sample is truly representative of the population. Random sampling also helps to reduce bias, as the researcher has no control over who is chosen for the sample.
To calculate the probability of being chosen for the sample, the formula is (1/n) x 100, where n is the total number of population members. In this case, the population was the group of all instructors, and the sample was the group of fifteen instructors chosen. Therefore, the probability of being chosen is (1/n) x 100 = (1/15) x 100 = 6.67%.
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Trapezoid ABCD and trapezoid EFGH are
congruent. What is the difference between
the area of triangle ABC and the area of
triangle EFJ?
The difference between the area of triangle ABC and the area of triangle EFJ is 0 square unis
How to determine the difference in the areasFrom the question, we have the following parameters that can be used in our computation:
Trapezoid ABCD and trapezoid EFGH are congruent.
From the complete question added as an attachment
We can see that the two triangles have the same base and the same height due to the congruence of the two trapezoids
This means that their areas are equal
The difference between equal values is 0
Hence, the area difference is 0
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The bakery sales 9 sugar cookies for every 5 chocolate cookies sold. If the bakery sold 144 sugar cookies, what was the total number of cookies sold?
Answer:
224 total cookies sold
Step-by-step explanation:
if 9 sugar with every 5 cholates then, 144/9 = 16
so there were 16 times 5 cookies were sold with means
80 cholate cookies were sold
80+ 144= 224
:)