Answer: p+3
Step-by-step explanation:
if p=12 and you need the answer to be 15, all you need to do is find 12+_= 15. Since 12+3=15 your answer would be p+3.
Four more than half of the students in Bryan's homeroom have rickets to attend the school's musical. 20 students have tickets. Select all the equations that can be used to find the number of students in Bryan's homeroom.
Please
The equations that can be used to find the number of students in the homeroom are:
4 = 20 - 1/2m
1/2m + 4 = 20
What are the equations?An equation is a statement that expresses the equality of two expressions in mathematics. It is two expressions that are connected by an equals to sign.
4 + 1/2m = 20
Where m is the number of students in Bryan's home room
In order to determine the value of m, take the following steps:
Combine similar terms:
1/2m = 20 - 4
Add similar terms
1/2m = 16
Multiply both sides of the equation by 2
m = 16 x 2
m = 32
Substitute for m in the above equation:
4 + 1/2(32) = 20
4 + 16 =20
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The top of a ladder rests at a height of 12 feet against the side of a house. If the base of the ladder is 9 feet from the house, what is the length of the ladder? Round to the nearest foot.
3 ft
11 ft
15 ft
21 ft
We can say that after answering the offered question The ladder is Pythagorean theorem therefore 15 feet long, rounded up to the next foot. Thus, 15 feet is the solution.
what is Pythagorean theorem?The Pythagorean Theorem is the foundational Euclidean geometry connection that exists between the three sides of the right triangle. According to this rule, the area of either a cube with the length x side is equal to the total of the regions of triangles shared by its other two sides. According to the Pythagorean Theorem, the square that spans the hypotenuse of a right triangle opposite the perfect angle is the combined squares that spanned its sides. It is sometimes expressed as a2 + b2 = c2 in general algebraic notation.
The ladder serves as the hypotenuse in this basic example of a right triangle, which also includes the distance from the house as one of its legs and the ladder's height as its second leg. The Pythagorean theorem can be used to find the ladder's length.
[tex]c^2 = a^2 + b^2[/tex]
In this instance, we know that the distance from the house (a) is 9 feet, and the height of the ladder (b) is 12 feet. Hence, we can enter these values into the formula as follows:
[tex]c^2 = 9^2 + 12^2 c^2 = 81 + 144\sc^2 = 225\sc = √225\sc = 15[/tex]
The ladder is therefore 15 feet long, rounded up to the next foot. Thus, 15 feet is the solution.
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Line Equations from Poin (t)/(S)lope (Point Slope Form ) Feb 27, 3:59:34 PM Watch help video Use point-slope form to write the equation of a line that passes through the point (18,-17) with slope -(1)/(4). Answer: Submit Answer
x + 4y = -52.
The point-slope form of the equation of a line passing through the point (x1, y1) with slope m is:y - y1 = m(x - x1)Here, the point (x1, y1) = (18, -17) and the slope m = -1/4Therefore, the equation of the line in point-slope form is:y + 17 = (-1/4)(x - 18)Expanding the equation:4(y + 17) = -x + 18 => 4y + 70 = -x + 18 => x + 4y = -52The required equation of the line is x + 4y = -52.
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ayuda porfa está demasiado difícil:'(
The number of weeks until Riley and Amari would have earned the same, would be 10 weeks.
How to find the number of weeks ?Variables:
Let x be the number of weeks they work.
Let y be their total earnings in dollars.
System of equations:
For Riley: y = 5x
For Amari: y = 20 + 3x
Setting the two expressions for y equal to each other, we get:
5x = 20 + 3x
5x - 3 x = 20
x = 20 / 2
x = 10 weeks
Therefore, their earnings will be the same after 10 weeks of work.
We can also solve the system of equations graphically by plotting the two equations and finding the point of intersection. The point of intersection is (10,50). Therefore, their earnings will be the same after 10 weeks of work and their total earnings will be $50.
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The question, when translated to English is:
Riley and Amari earn weekly chore allowances for the summer, Riley is paid $5 a week and Amari is paid $20 at the beginning of the summer and then earns $3 a week.
When will their earnings be the same?
What is the amount?Define your variables.Write a system of equationsUse at least two different methods to solve the system.Which of the following values are solutions to the inequality 2 < 8 + 5 x ? 6, 0, or -8
Answer:
x > -6/5
Step-by-step explanation:
2 < 8 + 5x
-6 < 5x
x > -6/5
This is the correct answer, but I don't see it in the options list.
A student project involved collecting data to see if there was a difference in the amount of time one had to wait at the drive-thru between two fast food restaurants, A and B. She randomly selected 17 cars at fast food restaurant A and 17 cars at fast food restaurant B. For each car chosen, she recorded how much time passed from the placement of the order to receiving their food at the pick-up window. The data is given in the table below.
Fast Food A Fast Food B
163.3 71
186.8 126.5
140.7 140.7
120.1 148
124.1 163.2
182.7 168.1
193 173.8
91.8 177.1
156.1 204.9
73.6 221.3
94.4 225
175 230
111.7 297.3
77.6 305.2
129.1 313.8
134.7 345.2
139 288.4
(b) Test the statistical hypotheses in (a) by carrying out the appropriate statistical test. Find the value of the test statistic for this test, use two decimals in your answer.
Test Statistic =
(c) Determine the P-value for this test, to three decimal places.
P=
(d) Based on the above calculations, we should ? reject OR not reject the null hypothesis? Use α=0.05
The reject the null hypothesis with α=0.05.
Based on the above calculations, we should reject the null hypothesis with α=0.05.
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a bowl of fruit is on the kitchen table it contains 5 apples 2 oranges and 2 bananas christian and Aaron come home from school and randomly grab one fruit each what is the probability that both grab oranges
Answer:
The probability that both grab oranges would be = 1/30
Step-by-step explanation:
bc 1/8 * 2/9 = 1/30
hope this helps
Answer: The probability that both grab oranges would be =1/36
Step-by-step explanation:
Given,
A bowl contains,
Apples = a = 5
Oranges = o = 2
bananas = b = 2
Total fruits in bowl = x = a + o + b = 5 + 2 + 2 = 9
Now, Christian and Aaron come home from school and randomly grab one fruit each.
The probability of first selecting orange would be = o/b =2/9
Now, the oranges left would be 2 - 1 = 1
and total fruits would be = 9 - 1 = 8
Hence, the probability of selecting second orange would be = 1/8
Therefore, the probability that both grab oranges would be = 1/8 2/9 =1/36
A contractor needs to buy nails to build a house. The nails come in small boxes and large boxes. Each small box has 100 nails and each large box has 450 nails. The contractor bought 3 more small boxes than large boxes, which all together had 2500 nails. Determine the number of small boxes purchased and the number of large boxes purchased. PLEASE HELP!!
Answer: Let's call the number of large boxes purchased "L" and the number of small boxes purchased "S".
From the problem, we know that:
Each small box has 100 nails, so the total number of nails from the small boxes is 100S.
Each large box has 450 nails, so the total number of nails from the large boxes is 450L.
The contractor bought 3 more small boxes than large boxes, so S = L + 3.
The total number of nails purchased is 2500, so 100S + 450L = 2500.
We can use the second equation to solve for one of the variables in terms of the other. For example, we can solve for L:
100S + 450L = 2500
Substituting S = L + 3:
100(L + 3) + 450L = 2500
Expanding the parentheses:
100L + 300 + 450L = 2500
Combining like terms:
550L + 300 = 2500
Subtracting 300 from both sides:
550L = 2200
Dividing both sides by 550:
L = 4
So the contractor purchased 4 large boxes of nails.
We can use the equation S = L + 3 to find the number of small boxes purchased:
S = L + 3 = 4 + 3 = 7
So the contractor purchased 7 small boxes of nails.
Therefore, the contractor purchased 4 large boxes and 7 small boxes of nails.
Step-by-step explanation:
Which function has the given properties below?
The domain is the set of all real numbers.
One x-intercept is (2 pi, 0).
The amplitude is 4.
The point (StartFraction pi over 2 EndFraction, negative 4 EndFraction) is on the graph.
The y-intercept is (0, 0).
y = –4sin(x)
y = –4cos(x)
y = 4sin(x)
y = 4cos(x)
The given data are:
A function that:
The domain is the set of all real numbers
One x-intercept
The amplitude is 4
The y-intercept is (0,0)
From the choices, the functions containing "cosine" can be eliminated since the described function passes through (0,0). So, we are left with two choices:
[tex]y = -4sin(x)[/tex] and [tex]y = 4sin (x)[/tex]
Given the amplitude of 4, the answer must be [tex]y = 4 sin(x)[/tex]
In December, The Corner Coffee Spot had an average inventory of $123, 456 and retail sales of $196, 450. Find the stock
turnover at retail. Round to the nearest tenth.
2.1
1.9
1.6
1.3
Answer:
1.6
Step-by-step explanation:
The stock turnover at retail is a measure of how many times a business sells its average inventory during a period of time. We can calculate the stock turnover by dividing the retail sales by the average inventory.
Stock turnover = Retail Sales / Average Inventory
Given the values :
Average Inventory = $123,456Retail Sales = $196,450Substituting these values
Stock turnover at retail = 196,450 / 123,456 = 1.6 (rounded to the nearest tenth)
Suppose that 1000 customers are surveyed and 850 are satisfied or very satisfied with a corporation's products and services. Test the hypothesis Upper H Subscript 0 Baseline colon p equals 0. 9 against Upper H Subscript 1 Baseline colon p not-equals 0. 9at. Find the P-value
The p-value is 0.1138 for the given hypothesis.
What exactly is a p-value?
A p-value, or probability value, is a statistical measure that helps to determine the strength of evidence against a null hypothesis in a hypothesis test. In hypothesis testing, a null hypothesis is a statement or assumption about a population parameter that we want to test using sample data. The p-value is the probability of obtaining a test statistic as extreme as, or more extreme than, the observed test statistic, assuming the null hypothesis is true.
Now,
To test the hypothesis,
we need to perform a hypothesis test using a significance level (α) to determine whether the sample proportion of satisfied customers is significantly different from 0.9.
The null hypothesis (H0) is that the true proportion of satisfied customers is equal to 0.9. The alternative hypothesis (H1) is that the true proportion is not equal to 0.9.
We can use the normal approximation to the binomial distribution to test this hypothesis, since the sample size is large (n = 1000) and both np and n(1-p) are greater than or equal to 10, where p is the true proportion of satisfied customers.
The test statistic is given by:
z = (P - p0) / √(p0(1 - p0) / n)
where p0 is the proportion (0.9), P is the sample proportion (850/1000 = 0.85), and n is the sample size.
Plugging in the values, we get:
z = (0.85 - 0.9) / √(0.9 * 0.1 / 1000) = -1.5811
The P-value is the probability of getting a test statistic as extreme as -1.5811 or more extreme, assuming the null hypothesis is true. Since this is a two-tailed test (H1: p ≠ 0.9), we need to find the area in both tails of the standard normal distribution.
Using a standard normal distribution table, we find that the area to the left of -1.5811 is 0.0569, and the area to the right of 1.5811 is also 0.0569. Therefore, the total area in both tails is:
p-value = 0.0569 + 0.0569 = 0.1138
So,
the p-value is 0.1138.
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Please help on Math Problem
40 Points!!
Answer:
murray= 58÷2= 29
kris=78÷3=26
Logan=84÷3=28
Taylor=92÷4=23
answer=logan
Answer:
C
Step-by-step explanation:
84÷3 = 28
which means that logan was able to solve 28 problems per minute
Emmy watson is buying a new oven for 915. 0. She made a down payment of 20% and financed the remainder. How much did she finance
Answer: Emmy Watson made a down payment of 20%, which means she paid 20% of the total cost of the oven upfront.
20% of 915.0 = 0.20 x 915.0 = 183.0
So, Emmy Watson paid $183.0 as a down payment.
To find out how much she financed, we need to subtract the down payment from the total cost of the oven:
Financed amount = Total cost - Down payment
Financed amount = $915.0 - $183.0
Financed amount = $732.0
Therefore, Emmy Watson financed $732.0.
Step-by-step explanation:
Please help (Look at image) QUICKLY
Answer:
See below.
Step-by-step explanation:
We are asked to identify the Proof for Statement 7.
To start, we already have 2 sides and 1 angle proven, meaning that we can prove ΔABX ≅ ΔABY by the Side-Angle-Side Triangle Congruency Theorem. (SAS).
Because both Triangles are congruent, every side, and angle of the triangles are congruent. ASA, and SAS are incorrect choices, they're only used to prove that 2 triangles are congruent. HL is incorrect as well, the HL (Hypotenuse - Leg Theorem) is only used to prove that 2 triangles are congruent also. Our only option is CPCTC (Corresponding parts of congruent triangles are congruent); Meaning that every angle and every side of the 2 triangles are congruent.
For Statement 7, AX ≅ AY proved by CPCTC.
Multiply. State any restrictions on the variable. (x^(2)+5x-36)/(x^(2)+4x-32)*(4x+32)/(x+6)
When simplified, the above expression translates to = 4(x + 9) / (x + 6) where the restrictions are stated as: x ≠ -8, 4, -6.
What is a restriction in math?In mathematics, restrictions refer to conditions or limitations placed on the values that a variable can take, either to ensure the validity of a mathematical expression or to satisfy a particular requirement.
With regard to the above,
We can simplify the given expression as follows:
(x^2 + 5x - 36) / (x^2 + 4x - 32) * (4x + 32) / (x + 6)
= [(x + 9)(x - 4) / (x + 8)(x - 4)] * [4(x + 8) / (x + 6)]
= (x + 9) * 4 / (x + 6)
= 4(x + 9) / (x + 6)
The restrictions on the variable are:
x cannot be equal to -8 or 4, since these values would make the denominator of the first fraction equal to zero.x cannot be equal to -6, since this value would make the denominator of the second fraction equal to zero.Learn more about restriction in math:
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If f(x)f(x) is an exponential function where f(4.5)=16f(4.5)=16 and f(9.5)=60f(9.5)=60, then find the value of f(15)f(15), .
The value of f(15) is approximately 346.42.
What is an exponential function?An exponential function is a mathematical function of the form f(x) = abˣ, where a and b are constant and b is greater than zero and not equal to 1. An example is f(x) = 2ˣ
We can use the properties of exponential functions to find the value of f(15). Since f(x) is an exponential function, we can write it in the form:
f(x) = a × bˣ
f(4.5) = 16 = a × b⁴.5
f(9.5) = 60 = a × b⁹.5
Dividing second equation by first equation gives:
f(9.5)/f(4.5) = (a × b⁹.5)/(a × b⁴.5) = b⁵
Substituting the given values, we get:
60/16 = b⁵
b = (60/16)¹/⁵
b ≈ 1.46
Substituting b into the first equation gives:
16 = a × 1.46⁴.5
a ≈ 0.30
Therefore, the exponential function is:
f(x) = 0.30 × 1.46ˣ
To find f(15), we can substitute x = 15 into the function:
f(15) = 0.30 × 1.46¹⁵
f(15) ≈ 346.42
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What is the relationship between the two quantities in the table?
The relationship between the quantities is “+ 90.”
The relationship between the quantities is “Minus 90.”
The relationship between the quantities is “+ 30.”
The relationship between the quantities is “Times 30.”
Answer: Your answer is C
Step-by-step explanation:
Have a nice day
The surface area of this rectangular prism is 94 square feet. What is the volume
The volume of the rectangular prism is 60 cubic feet.
What is a rectangular prism?
A rectangular prism is a three-dimensional geometric shape with six faces, where each face is a rectangle. It is also known as a rectangular cuboid. A rectangular prism has 8 vertices, 12 edges, and 6 rectangular faces. The opposite faces of a rectangular prism are congruent and parallel to each other. The length (l), width (w), and height (h) of a rectangular prism are the three dimensions that determine its size and shape.
The formula for the surface area of a rectangular prism is:
SA = 2lw + 2lh + 2wh
where l, w, and h are the length, width, and height of the prism, respectively.
In this case, we have l = r, b = 5ft, h = 3ft, and SA = 94 sq ft. Substituting these values into the formula, we get:
94 = 2(r)(5) + 2(r)(3) + 2(5)(3)
94 = 10r + 6r + 30
94 = 16r + 30
64 = 16r
r = 4
So, the length of the rectangular prism is 4 feet.
Now, we can use the formula for the volume of a rectangular prism:
V = lwh
Substituting the values for l, w, and h, we get:
V = (4)(5)(3) = 60 cubic feet
Therefore, the volume of the rectangular prism is 60 cubic feet.
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Marisol burned 670 calories while exercising on Monday. If Ling burned x fewer calories while exercising than Marisol did, which of the following represents the number of calories Ling burned while exercising?
Choose 1 answer:
The answer is option C. (670 - x)
What is an expression?An expression is a combination of numbers, variables, and mathematical operations, such as addition, subtraction, multiplication, and division, among others. It is a mathematical phrase that represents a value or a set of values when evaluated. It can be simple or complex.
The number of calories Ling burned while exercising can be represented as:
Ling's calories burned = Marisol's calories burned - x
Since Marisol burned 670 calories, we can substitute this value:
Ling's calories burned = 670 - x
Therefore, the answer is 670 - x.
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Complete question-
Elliot a mangé les 2 tiers de la pizza , et sa soeur Eve a mangé 1 cinquième de la pizza .
En reste t'il pour leur frère Tom ?
I need this asap please help
Answer:
Step-by-step explanation:
the answer would be 5/4 i belive
A cylinder has a diameter of 10 inches and a height of 18 inches. What is the
volume of the cylinder?
OA. 8107
OB. 450TT
O C. 1800T
O D. 1807
After answering the presented question, we can conclude that As a cylinder result, option C. 1800 is the correct answer.
what is cylinder?A cylinder is a three-dimensional geometric shape made up of two parallel congruent circular bases and a curving surface connecting the two bases. The bases of a cylinder are always perpendicular to its axis, which is an imaginary straight line passing through the centre of both bases. The volume of a cylinder is equal to the product of its base area and height. A cylinder's volume is computed as V = r2h, where "V" represents the volume, "r" represents the radius of the base, and "h" represents the height of the cylinder.
volume of the cylinder is:
[tex]V = \pi r^2h\\V = \pi (5^2)(18)\\V = \pi (25)(18)\\V = 450\pi cubic inches\\V =450 x 3.14\\V =1413.00 cubic inches\\[/tex]
As a result, option C. 1800 is the correct answer.
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In ΔLMN, m = 5. 9 cm, n = 8. 7 cm and ∠L=163°. Find the length of l, to the nearest 10th of a centimeter
Using the Law of Cosines the length of l, to the nearest 10th of a centimeter is 4.6 cm.
To find the length of side l in triangle LMN, we can use the Law of Cosines, which states that c² = a² + b² - 2ab cos(C), where c is the side opposite the angle C.
In this case, we have:
a = 5.9 cm
b = 8.7 cm
C = 163°
First, we need to convert the angle from degrees to radians by multiplying it by π/180:
C = 163° × π/180 = 2.847 radians
Now we can plug in the values into the Law of Cosines:
l² = 5.9² + 8.7² - 2(5.9)(8.7)cos(2.847)
Simplifying the right-hand side:
l² = 68.81 - 60.83 × cos(2.847)
Taking the square root of both sides:
l ≈ 4.6 cm
Therefore, the length of l to the nearest 10th of a centimeter is 4.6 cm.
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7 less Than the quotient of six and b algebraic expression
Answer:
6 / b - 7
Step-by-step explanation:
The sum of a number x and twice another is 20. If the product of these numbers is not more than 48 what are the possible values of x
The possible value of x that is here, a are 8 and 12, when the sum of two number and product is given.
A system of equations is what?A group of two or more equations that must be solved all at once is known as a system of equations. The values of the variables in a system of equations that make all of the equations in the system true are known as the solutions. Several approaches, including substitution, elimination, and graphing, can be used to solve systems of equations. Several branches of mathematics, science, and engineering employ systems of equations to represent and solve issues that arise in the real world.
Let us suppose the two numbers = a and b.
Thus, from the given statement we have:
a + 2b = 20 (Equation 1)
and
ab ≤ 48 (Equation 2)
Using equation 1:
a = 20 - 2b
Substituting this expression for "a" into Equation 2, we get:
(20 - 2b)(b) ≤ 48
-2b² + 20b - 48 ≤ 0
b² - 10b + 24 ≥ 0
This inequality can be factored as:
(b - 4)(b - 6) ≥ 0
Since we want the product of the two numbers to be less than or equal to 48, both "a" and "b" must be positive.
We only need to consider the values of "b" that make this inequality true:
b ≤ 4 or b ≥ 6
Plug each of these values of "b" back into Equation 1:
When b = 4, we get:
a + 2(4) = 20
a = 12
When b = 6, we get:
a + 2(6) = 20
a = 8
Therefore, the possible values of "a" are 8 and 12.
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Ramundo had some money in his pocket to take to the mall with his friends. His mom gave him an extra $10. He now has no more
than $40 in his pocket.
8) Select the inequality that represents the possible amount of money Ramundo originally had in his pocket.
a) − 10 ≥ 40
b) − 40 ≥ 10
c) + 10 ≤ 40
d) + 40 ≤ 10
I need help with the back of the geometric mean maze :(
In the back of the maze, you will see two numbers at the start and end points of the maze. Let's call these numbers a and b.
To solve the maze, we need to find the geometric mean of a and b, which is the value that, when multiplied by itself, gives us the product of a and b.
The formula for the geometric mean is:
Geometric Mean = √(a × b)
So, to solve the maze, we need to find the geometric mean of the starting and ending numbers, and then follow the path in the maze that matches that value. This path will lead us to the end of the maze.
Once we find the geometric mean of the starting and ending numbers, we can use a calculator or mental math to simplify the expression and find the value.
I need help with the back of the geometric mean maze
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Find the surface area , curved surface area and volume of cylinder with radius 14cm
and height 25cm?
STEP BY STEP PLEASE!!!!!
The surface area of the cylinder is 3,428 square centimeter, the curved surface area of the cylinder is 2,198 square centimeter and the volume of the cylinder is 15,386 cubic centimeter.
What is area and volume?
A flat, two-dimensional object's area is the space it takes up in a plane. A three-dimensional object's volume is the area it takes up in space.
We know that
Curved surface area = 2πrh
So, using this we get
⇒Curved surface area = 2 × 3.14 × 14 ×25
⇒Curved surface area = 2,198 square centimeter
Similarly,
Total surface area = 2πr (r + h)
So, using this we get
⇒Total surface area = 2 × 3.14 × 14 (14 + 25)
⇒Total surface area = 2 × 3.14 × 14 (39)
⇒Total surface area = 3,428 square centimeter
Similarly,
Volume = π[tex]r^{2} h[/tex]
So, using this we get
⇒Volume = 3.14 × [tex]14^{2}[/tex] × 25
⇒Volume = 15,386 cubic centimeter
Hence, the area and volume of the cylinder have been obtained.
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Solve the compound inequality
-2<-x ≤3
Answer:2>x[tex]\geq[/tex]-3
Step-by-step explanation:
when we divide each side with a negative number "<" turns into ">",">" turns into "<" and so on.
we can divide each side with -1, the we get,
2>x[tex]\geq[/tex]-3
[tex]-2 < -x \leq 3 \iff 2 > x \geq -3[/tex]
[tex]-3 \leq x < 2 \implies x \in [-3;2)[/tex]
A basketball team has II players, 5 of whom are in the starting line up. How many different starting line ups are possible if the star be in the time line up?
After answering the presented question, we can conclude that If the star equation player is in the starting lineup, there are 210 distinct starting lineups imaginable.
What is equation?In mathematics, an equation is a proposition that states the equivalence of two expressions. An equation consists of two sides separated by a system of equations (=). For instance, the statement "2x + 3 = 9" states that the word "2x Plus 3" equals the integer "9". The goal of solving equations is to find the value or amounts of the variable in the model) that will permit the calculation to be accurate. Mathematics can be simple or complex, linear or nonlinear, and contain one or more parts. For example, in the equation "x2 + 2x - 3 = 0," the variable x is raised to the power of 2. Lines are used in many areas of mathematics, including algebra, arithmetic, and geometry.
If the starting lineup includes the star player, there are only four spaces left to fill with the remaining ten players. The number of possible starting lineups is the number of ways to select four players from the remaining ten, which may be calculated using the combination formula:
C(10,4) = 10! / (4! * 6!) = 210
If the star player is in the starting lineup, there are 210 distinct starting lineups imaginable.
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