An equation for the situation described above is h = 2m + 500.
How to write an equation to model this situation?In order to write an algebraic equation that model this situation, we would assign a variable to the number of minutes after an airplane takes off from the airport and the plane’s height respectively, and then translate the word problem into algebraic equation as follows:
Let the variable m represent the number of minutes.Let the variable h represent the plane’s height.Next, we would translate the word problem into an algebraic equation based on the fact that after 2 minutes the plane is at 500 feet as follows;
h = 2m + 500.
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Solve the inequality and write the solution in set-builder notation.
b+2≥4
The set builder notation for the given inequality is [tex]\left \{ {{b | b \geq 2\right \}[/tex].
What is set builder notation?The answer set of an inequality is expressed in mathematics using a set builder notation. For instance, the set builder notation is understood to mean the collection of all y, where y is bigger than 0.
What is inequality equation?Mathematical expressions with inequalities are those in which the two sides are not equal. Contrary to equations, we compare two values in inequality. Less than, larger than, or not equal to signs are used in place of the equal sign.
The given inequality is:
b + 2 ≥ 4
Subtract 2 on both sides of the equation:
b + 2 - 2 ≥ 4 -2
b ≥ 2
Hence, the set builder notation for the given equality is [tex]\left \{ {{b | b \geq 2\right \}[/tex].
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The least-squares regression model y =−3. 4+5. 2x and correlation coefficient r=−0. 66 were calculated for a set of bivariate data with variables x and y. What is closest to the proportion of the variation in y that cannot be explained by the explanatory variable?
The proportion of variation that the regression line can account for is indicated by the coefficient of determination.
56.44% of the variation cannot be explained by the provided regression line. The correlation coefficient for the question is R = - 0.66.
From the provided R value, the Coefficient of determination, R2, can be calculated.
R2 = - 0.662 = 0.4356.
This implies that, the percentage of variation that can be explained is equal to (0.4356) x 100%, or 43.56%.
100% - 43.566% = 56.446% is the percentage of variation that cannot be explained.
As a result, 56.44% of the variation in y cannot be explained.
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Jean wrote two correct variable expressions to represent the phrase "the quotient of a number and 3. "
Which variable expressions could Jean have written?
Select each correct answer.
3n
n ÷ 3
n3
13n
Option B is correct :- n ÷ 3
The given verbal expression is " the quotient of a number and 3."
We have to convert this verbal expression to algebraic expression.
The quotient of a number and 3, represents the division between an unknown number and the number 3.so the possible answer is n ÷ 3.
Here "Quotient" means "Division"
Let "n" be a number and it is divided by 3.
So,
we can write "the quotient of n and 3" as n÷3.
Algebraic expression
An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations . Expressions are made up of terms.
Expression
An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation.
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The main beam to a circus tent is 75 feet tall and is supported by 120 foot wires that extend to the ground. To the nearest degree, what is the angle that is created from the wire and the ground?
The angle that is created from the wire and the ground is 39°
Now, According to the question:
The main beam to a circus tent is 75 feet tall and is supported by 120 foot wires that extend to the ground.
We have to find the angle that is created from the wire and the ground.
Based on the given condition:
Using the definition of the sine function, we have that
[tex]sin(a) = \frac{75}{120}[/tex]
then, we can take inverse sine in both sides of the equality to clear a
a = [tex]sin^-^1\frac{75}{120}[/tex]
a = 38.68218745
and rounding to the nearest degree, the answer will be 39 degrees.
a = 39°
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Please help !!
Find the slope of the line y = -x + 20 and the slope of a line perpendicular to it.
Enter the correct values in the boxes.
Slope of the given line:
Slope of a perpendicular line:
The slope of the linear line given by linear equation y= -x+20 is -1
and the slope of line perpendicular to it is 1.
what is a linear equation?
A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. The standard form of a linear equation in one variable is of the form
Ax + B = 0
e.g. x-10=0. Here, x is a variable, A is a coefficient and B is constant.
The standard form of a linear equation in two variables is of the form
Ax + By = C
e.g. 2x-4y=10. Here, x and y are variables, A and B are coefficients and C is a constant.
Now as equation of linear line is y=mx+c
where m=slope, c=constant
For y=-x+20
slope(m)= -1
also for perpendicular lines m1.m2=-1
-1.m2=-1
m=1 (slope of line perpendicular to it)
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What is the greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths?
The greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths is 400.
We have to determine the greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths.
The sides of a triangle have lengths ratio 5:7:8.
The perimeter of triangle is the sum of all sides. So
5x + 7x + 8x = 1000
20x = 1000
Divide by 20 on side we get
x = 50
The length of all sides:
5x = 5 × 50 = 250
7x = 7 × 50 = 350
8x = 8 × 50 = 400
Hence, the greatest possible length of triangle is 400.
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The complete question is:
The sides of a triangle have lengths ratio 5:7:8. What is the greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths?
The average annual income for five alepeople lat year wa $35,516Four of the alepeople earned thee annual amount: $36,230, 34,500 38,250, and $33,000What wa the annual income of the fifth aleperon?
The answer to the question can be calculated by using the average formula.
The average of a set of numbers is calculated by adding all of the numbers together and dividing the sum by the number of numbers in the set. In this case, the five alepeople earned a total of $176,506, and when divided by 5, the average annual income comes to $35,516.
To calculate the fifth aleperson's income, we subtract the income of the first four alepeople from the total income earned, $176,506. Subtracting the income of the first four alepeople, $36,230 + $34,500 + $38,250 + $33,000, gives us a remaining total of $24,026. When we divide this remaining total by 1, the average annual income for the fifth aleperson comes to $24,026.
Therefore, the fifth aleperson earned an annual income of $24,026. This can be expressed using the formula (total income – (income of aleperson 1 + income of aleperson 2 + income of aleperson 3 + income of aleperson 4)) / number of alepeople = income of fifth aleperson. In this case, (176,506 – (36,230 + 34,500 + 38,250 + 33,000)) / 1 = 24,026.
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Each of these circles represents a pizza cut into 10 equal slices, and the yellow slices are the ones eaten by Larry.
If Larry ate L of the total amount of pizzas, what is the value of L?
The percentage of the slices that were eaten will be 30%.
How to calculate the percentage?The percentage simply has to do with the a value or ratio which can be stated as a fraction of 100. It should be noted that when we want to we calculate a percentage of a number, we simply divide it and then multiply the value that is gotten by 100.
From the information, it should be noted that each pizza is divided into 10 slices. The total amount of slices eaten will be:
= 1 + 6 + 2
= 9
Total slices = 30
The percentage of the slices that were eaten will be:
= 9 / 30 × 100
= 30%
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Compare 689,323,148 and 689,423,148 using 100,000 more than or 100,000 less than
689,323,148 is 100,000 less than 689,423,148 in the given comparison.
How can I compare complete numbers the best way possible?Comparing the digit count is important. Indicating a larger number is the presence of additional digits. We should compare the highest place values, or the digit that is farthest to the left of the numbers, if the number of digits in both numbers is the same.
Compare the amount of digits. A higher number is indicated by more digits. The higher place values should be compared if the number of digits is the same. The next place value to the right should be compared if the digits at the highest place value are the same.
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The worked example showed how to solve an inequality of the form, y = ax + b. How does your method change when the inequality is in a different form?
Write a system of equations.. Taxi company #1 charges a fee of $10 plus $2,50 per mile, Taxi company #2 charges $4.00 per mile with no fee.
HELP
Using Linear equations, the two equations of the given data are $10 + $250x and $4x
A linear equation example is what?Ax+By=C is the usual form for two-variable linear equations. A standard form linear equation is, for instance, 2x+3y=5. When an equation is given in this format, finding both intercepts is rather simple (x and y).
A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."
Using linear Equations,
Let x be the miles covered,
Taxi company 1 charges = $10 + $250x
Taxi company 2 changes = $4x
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Where do you stash your allowance, birthday cash or paycheck? There are lots of ways to keep your money safe, but knowing which option is best for you means researching your choices. After the videos watched in class, write down four facts that you learn about each type of institution below. Watch the videos twice if needed to fill in the chart. Then, decide which one you would choose to put your money in and why.
I stash my allowance, birthday cash or paycheck in a bank.
The facts about Banks include the following:
They are profit oriented.They accepts deposits with a lower interest rate.They give loan at a higher rate.They provide a larger range of services.The facts about Credit union include the following:
They are not profit oriented.They accepts deposits with a higher interest rate.They give loan at a lower rate.They provide a smaller range of services.What is a Credit union?These are non profit organizations that exist to serve their members and offer some banking services.
They accepts deposits with a higher interest rate and give loan at a lower rate which is why my decision in where to put my money will be in a credit union due to the high interest rate.
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To find a two-digit number such that if the places of its digits are interchanged, a number will be obtained that is four and a half times greater than the given
Find out angle p in degrees :)
The measure of angle P is 82°.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
125° and (109° + ∠N) are alternate angles.
Alternate angles are equal.
125 = 109 + ∠N
∠N = 125 - 109
∠N = 16
Now,
The sum of the triangle ABC is 180.
∠P + ∠M + ∠N = 180
Sides opposite to equal angles are equal.
∠P = ∠M
2∠P + 16 = 180
2∠P = 180 - 16
2∠P = 164
∠P = 164/2
∠P = 82
Thus,
∠P is 82°.
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A jar contains 22 yellow, 26 green, 17 red, and 20 purple marbles. A marble is drawn at random. Find P(not purple)
The probability of not finding purple jar is 0.8.
Firstly we will find the probability of drawing purple marble. The formula to be used for this is -
Probability = number of favourable outcomes ÷ total number of outcomes
Number of favourable outcomes = number of purple marbles
Total number of outcomes = sum of the number of marbles
Total number of outcomes = 22 + 26 + 17 + 20
Performing addition
Total number of outcomes = 85
Probability = 20/85
Performing division
Probability = 0.2
Probability of not finding purple = 1 - probability of finding purple
Probability of not finding purple = 1 - 0.2
Performing subtraction
Probability of not finding purple = 0.8
Thus, the probability is 0.8.
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how many radians does the minute hand of a clock move in 45 minutes please i need help asap i will give brainliest.
Answer:
B 3pi/2
Step-by-step explanation:
So half of a circle is pi therefore a quarter is pi/2.
So 15 mins is pi/2.
3 * pi/2 =45 mins
3pi/2 = 45 mins
which value of X is the solution of the equation 2X = X +5 
Answer: To solve the equation 2X = X + 5, we can start by isolating X on one side of the equation by subtracting X from both sides:
2X - X = X + 5 - X
X = 5
Therefore, X = 5 is the solution of the equation 2X = X + 5.
Step-by-step explanation:
The solution for x in the equation 2x = x + 5 is obtained by isolating the variable x, leading to the answer x = 5.
Explanation:To solve for x in the equation 2x = x + 5, you need to isolate x. Start by subtracting x from both sides of the equation to get 2x - x = x + 5 - x which simplifies to x = 5.
The procedure used here is a standard method in algebra known as isolating the variable. This means the objective is to get the variable (x in this case) alone on one side of the equation.
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Find the x-intercept of each line defined below and compare their values.
Equation of Line A:
x+y = 3
Select values from Line B:
X
0
1
2
3
Y
3
2
1
0
and the x-intercept of Line B is
The x-intercept of Line A is
Therefore the x-intercept of Line A is
the x-intercept of Line B.
If an equation isn't in the y is mx + b form, we can still find the intercepts by substituting 0 where necessary and solving for the remaining variable.
Using an equation, how do you determine a line's x-intercept?When y = 0, we solve the equation for x to determine the x-intercept. The line crosses the x-axis at y=0, explaining this. If an equation isn't in the y = mx + b form, we can still find the intercepts by substituting 0 where necessary and solving for the remaining variable.
With x = 0, solve for y to determine the y-intercept.
Utilizing the given points, determine the slope.
In the expression for the line, y = mx + c, include the slope's value.
Now solve the equation y = mx + c to determine the value of c using the values of any of the supplied locations.
Place y = 0 in y = mx + c to determine the x-intercept.
Place x = 0 in y = mx + c to determine the y-intercept.
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What is the diameter of a bowling ball that rolls 96 cm down the lane each time it turns once
The diameter of a bowling ball that rolls 96 cm down the lane each time it turns once is 16.58 cm
the term called diameter is known as the length of the line through the center that touches two points on the edge of the circle.
Here we know that the ball rolls 96 cm down the lane each time it turns once.
According to the formula of circumference, the total circumference is calculated by using the formula,
C = 2πr
Where the value of r is 96, then
=> c = 2 x π x 96
=> C = 192 x 3.14
=> C = 602.88
Here we have consider that the lane is 10000 cm in length , then the diameter is calculated as,
=> 10000/602.88
=> 16.58
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One morning Sam cycles 5 km in 20 minutes and Dwight cycles 6 km in 30 minutes. Determine who cycles faster?
Speed is calculated by dividing distance by time. Here Sam is cycling at a speed of 15 km/h and Dwight at a speed of 12km/h. So Sam cycles faster.
Speed is the rate of change in distance. so it is calculated using distance/time. Here the distance is in km and time is in minutes. The unit of distance is either m/s or km/h. So we have to do conversions first.
Lets convert the minutes to hours.
Sam cycles for 20 minutes. So 20 min = 20/60 h = 0.33 h
Dwight cycles 30 minutes. So 30 min = 30/60 h = 0.5 h
Now lets calculate the speed.
Speed Sam cycles = 5 km/ 0.33 h = 15 km/h
Speed Dwight cycles = 6 km/0.5 h = 12 km/h.
So Sam is faster than Dwight.
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find the measure of each numbered angle
Each numbered angle has a measurement of 109°, 109°, and 71°, respectively.
What is angle?Two rays that come together at a vertex or node, also known as a common point, to produce an angle for any figure.
Angles are frequently expressed in degrees or radians.
Think about triangle
A triangle's internal angles add up to 180°.
URS, UVT, and URT add up to 180°.
35° + 36° + ∠1 = 180°
∠1 = 180° - (35° + 36°)
∠1 = 180° - 71°
∠1 = 109°
The angles 1 and 2 are now vertically opposed. This makes them equal.
∠2 = 109°.
For triangle NQO once more
∠2 + ∠3 + 35° = 180°
36° + ∠3 + 35° = 180°
∠3 = 180° - (35° + 36°)
∠3 = 180° - 109°
∠3 = 71°
As a result, 1, 2, and 3 are 109, 109, and 71 degrees, respectively.
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Write the cubic functions in factored form and standard form. Zeros: x = -3, x = 0, x = 1
The cubic function with the zeros x = -3, x = 0 and x = 1 is given as follows:
y = x³ + 2x² - 3x.
How to define the function?We are given the zeros of the function, hence the function is defined using the Factor Theorem, as a product of the linear factors of the function.
The zeros of the function are given as follows:
x = -3.x = 0.x = 1.Then the linear factors are given as follows:
(x + 3).x.(x - 1).Considering a leading coefficient of 1, the function is defined as follows:
y = x(x + 3)(x - 1)
y = x(x² + 2x - 3)
y = x³ + 2x² - 3x.
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Simplify each expression
2x+8x+4x.
7(3x)
8y+4x+6y
4(7x+5y)
Answer:
1. 12x
2. 21x
3. 14y+6x
4. 28x+20y
Step-by-step explanation:
HELPPP PLSSS IM STRUGGLING!!!
Answer:
10;37°
Step-by-step explanation:
Pythagoras theorem will be used to find the length of EF and the knowledge of complementary angles will be used to solve for angle D
pls solve this question for me
The exponential function that represents the table that is given will be A. f(x) = 6(2)^x.
When when x is 6, the value of the function will be A. 384.
How to calculate the function?It should be noted that in Mathematics, the function simply shows the relationship between the variables that are given.
Based on the table, the exponential function that represents the table that is given will be A. f(x) = 6(2)^x.
In this case, when x is 6, the value of the function will be:
= 6 × 2^x
= 6 × 2^6
= 6 × 64
= 384
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Which of the following inequalities matches the graph?
graph of an inequality with a dashed line through the points 0, 3 and 1, 9 with shading above the line
−6x + y < 3
6x + y < 3
6x − y < −3
The correct inequality is not listed
Answer: The correct inequality that matches the graph is 6x + y < 3.
This inequality can be graphed by plotting the points (0,3) and (1,9) as the boundary of the solution set, and shading the area above the line. The graph will be a line with a negative slope that pass through the points (0,3) and (1,9) and the shaded area will be above the line, which match the graph you have described.
We can check this by plugging the points (0,3) and (1,9) into the inequality to see if they satisfy it:
6(0) + 3 < 3 => 3 < 3 which is true
6(1) + 9 < 3 => 6 + 9 < 3 which is false
This confirms that the inequality 6x + y < 3 matches the graph.
Step-by-step explanation:
9,
The volume of a sphere can be calculated using the formula V=²³, where r is the radius of the sphere.
43
Given that a sphere has a radius of 2 cm, calculate its volume correct to two decimal places.
V= Enter your next step here
cm³
Answer: v = 33.51 cm^3
Step-by-step explanation:
Plug in radius to equation
V = 4/3 * π * 2^3
V = 4/3 * 8 * π
v = 33.51
Which number is rational and a real number, but not an integer?
A. √2
OB. -5
5
O c. 9/10
OD. There is no such number.
Option (c) is the correct option.
9/10 is rational and a real no. but not an integer.
What is a rational number?
A number with the form p/q, where p and q are integers and q is not equal to 0, is said to be rational.
What is an integer?
In the category of real numbers are irrational numbers, fractions, and rational numbers like positive and negative integers.
What is a real number?
Integers, which can be both negative and positive and include zero, are numbers without a decimal or fractional component.
Our objective is to find a number which is rational and a real number but not an integer.
√2 is not rational and not a real number.
-5 is rational and a real number but It is an integer.
9/10 is rational and a real number and also not an integer.
Hence, (c) is the correct option.
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Learn with an example
or Watch a video
Write a system of equations to describe the situation below, solve using substitution, and fill
in the blanks.
Peter works in the shipping department of a toy factory that makes radio-controlled
helicopters. Small helicopters weigh 3 pounds each, and are shipped in a container that
weighs 14 pounds. Large ones, on the other hand, weigh 4 pounds apiece, and are shipped in
a container that weighs 13 pounds. If these boxes can hold a certain number of helicopters
each, all of the packed containers will have the same shipping weight. What would the total
weight be? How many helicopters would fit in either container?
Helicopters would fit in either container is 1 and total weight is 4 pound.
What is Linear system of inequality?
At least two linear inequalities in the same variables make up a system of linear inequality in two variables. The graph of a linear inequality is the graph of all solutions to the system, and the solution of a linear inequality is the ordered pair that resolves all inequalities in the system.
With the exception of the inequality symbol, a linear inequality is nearly identical to a linear equation.
Three basic categories of economic disparity exist:
Income disparity the degree to which income is distributed unequally among a group of people is known as income inequality.Pay Inequality. Income. The pay of an individual differs from their income. Pay simply relates to money received from employment inequality of wealth.Let 'x' represent the number of helicopters per box.
3x+14=4x+13
We move all terms to the left:
3x+14-(4x+13)=0
We get rid of parentheses
3x-4x-13+14=0
We add all the numbers together, and all the variables
-1x+1=0
We move all terms containing x to the left, all other terms to the right
-x=-1
x=-1/-1
x=1
Hence, Helicopters would fit in either container is 1 and total weight is 4 pound.
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PLS HELP 30 POINTS AND BRAINLIEST.......
ABC → A’B’C’ is a reflection. Use this to answer the questions below.
Triangle ABC is the preimage and triangle A'B'C' is the image. The equation for the line of reflection is x = 4.
What is Reflection?Reflection is a type of geometric transformation where the figure is flipped. In other words, a figure when undergoes reflection becomes it's mirror image.
(A) Pre image is the figure before reflection is done.
So the pre image is triangle ABC.
(B) Image is the reflected figure.
So the image is triangle A'B'C'.
(C) Coordinates of the output are :
A'(8, 9), B'(12, 4) and C'(8, 4)
(D) The line of the reflection is the parallel line to Y axis passing through 4 on the X axis.
So the equation is x = 4.
Hence triangles ABC and A'B'C' are preimage and image respectively. The coordinates for the output are A'(8, 9), B'(12, 4) and C'(8, 4).
The equation of the line of reflection is x = 4.
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