12.5% of what number is 24

Answers

Answer 1

Let's begin by listing out the information given to us:

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Related Questions

f(x)=−x 2 −8 \text{Find }f(4) Find f(4)

Answers

IN THE PLACE OF x PLYG IN 4 AND SOLVE.

[tex]f(4) = - (4)^{2} - 8 \\ f(4) = - (16) - 8 \\ f(4) = - 16 - 8 \\ f(4) = - 24[/tex]

HOPE THIS HELPS

Use the number line to find the coordinate of the midpoint of
¯¯¯¯¯¯
L
P
.

Answers

The mid-point of LP is 1.5.

Here we have to find the mid-point of the line LP

L is on -2 on the line and P is on 5.

To find the mid-point we have a formula:

mid-point = (b - a)/2

where a and b are two points between which we have to find the mid-point.

So, mid-point of LP = 5 - (-2) / 2

                                = 7/ 2

                               = 3.5

Now we have to find the value so we will subtract -2 with 3.5.

So the mid-point is 3.5 - 2= 1.5.

Therefore the mid-point of the line LP is 1.5.

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A lab assistant needs to create a 500 mL mixture that is 5% hydrochloric acid. The assistance has solutions of 3.5% and 6% in supply at the lab. Using the variables x and y to represent the number of milliliters of the 3.5% solution and the number of milliliters of the 6% solution respectively, determine a system of equations that describes the situation. Enter the equations below separated by a comma.How many milliliters of the 3.5% solution should be used? How many milliliters of the 6% solution should be used?

Answers

Let

x -----> the number of milliliters of the 3.5% solution

y ----> the number of milliliters of the 6% solution

we have that

3.5%=3.5/100=0.035

6%=6/100=0.06

5%=5/100=0.05

so

0.035x+0.06y=0.05(500) -------> equation A

and

x+y=500 -----> x=500-y ------> equation B

solve the system of equations

substitute equation B in equation A

0.035(500-y)+0.06y=0.05(500)

solve for y

17.5-0.035y+0.06y=25

0.025y=25-17.5

0.025y=7.5

y=300

Find out the value of x

x=500-300=200

therefore

the number of milliliters of the 3.5% solution is 200 mlthe number of milliliters of the 6% solution is 300 ml

which graph of the following is yhe wquation of a line that is perpendicular to the graph of y=2/5×-1

Answers

hello

to solve this question, we need to plot the graph of this equation

Answer the questions before. Show your work or explain your answers,1. A principal would like to estimate the percentage of students in the school whoplay video games. Which method should the teacher use to select the sample? Write the letter of your choice here:A. Use a computer to randomly select 30 students from all students.B. Use a computer to randomly select 30 students from all students who takecoding classes. C.select every other student from the classrooms close to her office. D. Select all students who are in the video game club. Explain. Your answer.

Answers

Given the following question:

The principal wants to estimate the percentage of students in the school who play video games, which is a good number of students. Selecting 30 random students and asking them if they play video games can represent the entire school. Asking 30 random students keeps it from being biased for example option B, asking 30 students who take coding classes is biased because they are in one specific class, they do not represent the majority of the school unless the school is a coding school.

The answer is the first option because it is a random sample of people to represent a population of people. This keeps the results from being biased so asking 30 random students is the way to go.

need answers asap
I'm also giving brainliest to the right answer

Answers

Answer:

y = 3x + 3 :D

Step-by-step explanation:

Equation of line: y = mx + b :)

b: Y intercept

m: Slope

Now lets solve :)

Lets find M first :)

We need 2 points so lets use (0,3) and (1,6) :)

We fist need to subtract :)

6 - 3 = 3

1 - 0 = 1

Now we divide :)

3/1 = 3

Lets put that into our equation :)

y = 3x + b

Now lets find B :)

To find b, we need to see where the line intercepts the y axis! This will be at point (0,3)!

The y intercept will be 3 :)

The final equation will be y = 3x + 3 :)

Have an amazing day!!

Please rate and mark brainliest if helpful!

Plot all of the points of the reflected figure. You may click a plotted point to delete

Answers

To reflect the figure, we have to draw the new vertex at the same distance from the line x = -4, the image below shows this reflection.

Notice that the new figure has the same distance from x = -4 as the pre-image.

The points (8, -9) and (0, -2) fall on a particular line. What is its equation in slope-
intercept form?
) Write your answer using integers, proper fractions, and improper fractions in simplest
form.
Video G

Answers

Answer:

  y = -7/8x -2

Step-by-step explanation:

You want the slope-intercept equation of the line through the points (8, -9) and (0, -2).

Slope

The slope of the line through points (x1, y1) and (x2, y2) is given by the formula ...

  m = (y2 -y1)/(x2 -x1)

For the given points, the slope of the line is ...

  m = (-2 -(-9))/(0 -8) = -7/8

Intercept

The y-intercept of the line is the y-value when x = 0. The point (0, -2) tells you the y-intercept is -2.

Equation

The slope-intercept equation is ...

  y = mx +b . . . . . . where m is the slope, and b is the y-intercept

For a slope of -7/8 and a y-intercept of -2, the equation is ...

  y = -7/8x -2

12. What is the equation in point-slope form of the
line that passes through the points (2, -3) and (-5, 8)?

Answers

⇒First step is to find the gradient

[tex]m=\frac{y_{2} -y_{1} }{x_{2}-x_{1} } \\m=\frac{8-(-3)}{-5-2} \\m=\frac{8+3}{-7} \\m=-\frac{11}{7}[/tex]

In the general equation y=mx+c let us find the value of c by plugging in the known values

I will use the point (-5,8) Note you can use any .You will get the same value of c.

[tex]8=-\frac{11}{7} (-5)+c\\8=\frac{55}{7} +c\\c=8-\frac{55}{7} \\c=\frac{1}{7}[/tex]

The equation now is:

[tex]y=-\frac{11}{7} x+\frac{1}{7}[/tex]

each side of a square is increasing at a rate of 4cm/s. At what rate is the area of the square increasing when the area of the square is 9 cm

Answers

The rate at which the area of this square increases when the area of the square is 9 cm is 24 cm²/s.

What is rate of change?

The rate of change is a type of function that describes the average rate at which a quantity decreases or increases with respect to another quantity.

How to calculate the area of a square?

Mathematically, the area of a square can be calculated by using this formula;

A = s²

Where:

A represents the area of a square.s represents the side length of a square.

Next, we would determine the side length of a square by making s the subject of formula as follows:

A = s²

s = √A

s = √9

s = 3 cm.

By applying chain rule of differentiation, the rate of change (da/dt) in area of this square with respect to time is given by:

dA/dt = 2 × s(t) × ds/dt

dA/dt = 2 × 3 × 4

dA/dt = 24 cm²/s.

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hi. I was hoping you can solve this for me. I would be so grateful.

Answers

We have

1. The timing shown in the morning is from 8:15 to 12:15, this is the number of hours worked in the morning is 4 hours.

The pay is $13.50 per hour

Therefore, the pay earned in the morning is:

[tex]\begin{gathered} pay=N\text{. hours }\times pay\text{ per hour } \\ \text{pay = 4}\times13.50 \\ \text{pay}=54 \end{gathered}[/tex]

then, the pay earned in the morning is $54

2. The timing shown in the afternoon is from 13:00 to 17:30, this is the number of hours worked in the afternoon is 4 hours and 30 minutes. Therefore, the pay in the afternoon is:

[tex]pay\text{ =4.5}\times13.50=60.75[/tex]

then, the pay earned in the afternoon is $60.75

The pay per 1 day is:

pay in the morning + pay in the afternoon

[tex]total\text{ pay = 54+60.75=114.75}[/tex]

Answer: pay for a day is $114.75

the table below shows the percentage of votes each sport received in a recent survey of student's favorite sports. will send image

Answers

Basketball 12 votes; Soccer 24 votes; Football 24 votes

Here, we want to select the options that could represent the percentage

From what we have, soccer and football are same value and basketball is half of these

So the option where we have the given outline is the correct answer

Looking at the options, the only place we have the outline is;

Basketball 12 votes; Soccer 24 votes; Football 24 votes

H(x)=(x+5)^9 can be be expressed into the form f(g(x)) where f(x)=x^9, and g(x) is defined below
G(x)=?

Answers

The value of g(x) will be expressed as g(x) = (x + 5)

A function may be defined as an expression in which for one value of input variable x there is only one value of output variable y. The input variable is called as independent variable and output variable is called dependent variable. Composite functions are the functions which are written as combination of two functions. A function f(x) may be defined as composite function of another function g(x) when it can be written as either f(g(x)) or g(f(x)). We know that f(x) = x⁹ and the composite function H(x) = f(g(x)) = (x + 5)⁹. So, from this we can say that the function g(x) will be given as (x + 50 as we put (x + 5) as x in the function H(x).

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WILL MARK BRAINLIEST

Answers

Answer is C. y = -2x - 7/9, m= -2, b= -7/9

Step by step

-18x -9y = 7

Now to find y intercept and slope

-18x -9y = 7

Put this in y intercept form
y = mx + b

-9y = 18x +7

Divide both sides by -9 to isolate y

-9/-9 y = 18/-9 x + 7/-9

y = -2x -7/9 is your equation in slope intercept form

-2 is your slope (m)

-7/9 is your y intercept (b)

Problem solved!



I need help with this problem

Answers

Answer:

what is the problem text me

I can probably

Step-by-step explanation:

In a photograph, a skyscraper measures 5.8 in, tall. The scale of the photo to the actual skyscraper is 1:245. How tall is the actual skyscraper to the nearest foot?○ 118 ft ○ 183 ft○ 237 ft○204 ft

Answers

SOLUTION

In a photograph, a skyscraper measures 5.8 in, tall

The scale of the photo to the actual skyscraper is 1 : 245

That is 1 : 245 = 1 / 245 = 5. 8 / x

Cross- multiply we have:

1 X x = 5 . 8 X 245

x = 1421 inches in feet = 118.4167 feet

An item is regularly priced at $43. Bill bought it on sale for 35% off the regular price. Hownmuch did he pay?

Answers

Given the regular price is $43.

S.P= 35% off on regular price i.e.

[tex]\begin{gathered} S\mathrm{}P=\text{ }\frac{65}{100}\times43 \\ S\mathrm{}P=27.95 \end{gathered}[/tex]

Hence, after 35% off, the price is $27.95

help meeeeeee pleaseee !!!!

Answers

The equation of the line that passes through the points ( -3,18 ) and ( 2,-7 ) is f(x) = -5x + 3.

What is the equation of line passing through the given points?

The formula for equation of line is expressed as;

y = mx + b

Where m is slope and b is y-intercept.

Given the data in the question;

Point 1( -3,18 )

x₁ = -3y₁ = 18

Point 2( 2, -7 )

x₂ = 2y₂ = -7

First, we find the slope of the line.

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

m = ( -7 - 18 ) / ( 2 - (-3) )

m = ( -25 ) / ( 2 + 3 )

m = ( -25 ) / ( 5 )

m = -5

Next, next we find the y-intercept

y = mx + b

18 = (-5)(-3) + b

18 = 15 + b

b = 18 - 15

b = 3

Now that the values of slope m and y-intercept b is known, plug these into y = mx + b to determine the equation of the line.

y = mx + b

y = (-5)x + 3

y = -5x + 3

Therefore, the equation of the line is y = -5x + 3

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does the ordered pair (-1, -9) satisfy the equation y=7-2x

Answers

Answer:

No

Step-by-step explanation:

In order to solve this, we plug in the values for x and y. Remember that x = -1 and y = -9

-9 = 7 - 2(-1)

-9 = 7 + 2

-9 ≠ 9

Write the equation of the line that passes through the points(3,0) and(8,3)Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.

Answers

Answer:

5/3

Step-by-step explanation:

rise over run

(8-3)/(3-0)

Solve: - 4x + 1 ≤ 21 and 5x + 2 < 22A. x ≥ -5 and x < 4B. x > -5 and x ≤ 4C. x ≥ -5 or x < 4D. x > -5 or x ≤ 4

Answers

ANSWER

A. x ≥ -5 and x < 4

EXPLANATION

We have the two inequalities:

- 4x + 1 ≤ 21 and 5x + 2 < 22

Let us solve them separately:

FIRST ONE

-4x + 1 ≤ 21

Collect like terms:

-4x ≤ 21 - 1

-4x ≤ 20

Divide through by -4, the sign changes:

[tex]\begin{gathered} x\ge\text{ }\frac{20}{-4} \\ x\text{ }\ge\text{ -5} \end{gathered}[/tex]

SECOND ONE

5x + 2 < 22

Collect like terms:

5x < 22 - 2

5x < 20

Divide through by 5:

x < 20 / 5

x < 4

The answer is Option A.

I can’t figure out how to solve this

Step by step process needed! Thank you!


Simplify Radicals

Answers

After simplification the answer is 31.418 or 31.42

Define Radicals

The symbol that is used to denote square root or nth roots. Radical Expression - A radical expression is an expression containing a square root.

The given expression is,

2√6(√2 + 5)

First, open the brackets

2√6 * √2 + 5 * 2√6

we know, √6 = √3 * 2 = √3 * √2

so, 2√3 * √2  * √2 + 10√6

We didn't open the both √6 values it's because we want to remove  root from √2 so as we know √2 * √2 = 2

2√3 * 2 + 10 * √6

=> 4√3 + 10 * √6

Now, put the values of √3 = 1.732 and √6 = 2.449

=> 4 *  1.732 + 10 * 2.449

=> 6.928 + 24.49

=> 31.418 or 31.42

Therefore, the answer is 31.418 or 31.42

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f(x) = integrate t ^ 4 dt from 3 to x

Answers

We have the function f(t) defined as:

[tex]f(x)=\int_3^xt^4dt[/tex]

We have to find f'(x).

We can solve this integral as:

[tex]f(x)=\frac{t^5}{5}|^x_3=\frac{x^5}{5}-\frac{3^5}{5}[/tex]

If we derive this expression for f(x) we obtain:

[tex]f^{\prime}(x)=\frac{d}{dx}(\frac{x^5}{5}-\frac{3^5}{5})=\frac{5}{5}x^4+0=x^4[/tex]

NOTE: This expression could have been derived from the function inside the integral.

We can now find f'(3) as:

[tex]f^{\prime}(3)=3^4=81[/tex]

Answer:

f'(x) = x^4

f'(3) = 81

Please help solve!!

A football player kicks a football downfield. The height of the football increases until it reaches a maximum
height of 20 yards, 35 yards away from the player. A second kick is modeled by f(x) = -0.051x(x - 50),
where f is the height (in yards) and x is the horizontal distance (in yards). Compare the distances that the
footballs travel before hitting the ground.
The 1 first
The kick travels 1
Correct answers:
1
20
kick travels farther before hitting the ground.
10 X yards farther.
X

Answers

The distances that the footballs travel before hitting the ground is 50 yards.

What is defined as the quadratic function?A quadratic function has been one of the following: f(x) = ax² + bx + c, for which a, b, and c are positive integers and an is not equal to zero. A parabola is a curve that represents the graph of the a quadratic function. Parabolas can open up or down, and their "width" or "steepness" can vary, but they all share a basic "U" shape.

For the given question;

The football is kicked by the player.

The second kick is modeled by f(x) = -0.051x(x - 50).

Where, f is the height (in yards) and x is the horizontal distance (in yards).

For calculating the distances that the footballs travel before hitting the ground, Put f(x) = 0.

As, the ball will reach the ground the height of ball above ground will be zero, thus f(x) = 0.

f(x) = -0.051x(x - 50) = 0

Simplifying;

-0.051x² + 2.25x = 0

Or, divide wole equation by x.

0.051x = 2.25

x = 50 yards.

Thus, the distances that the footballs travel before hitting the ground is 50 yards.

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Write an algebraic expression as indicated. The algebraic expression for the mountain Roberto‘s other account is

Answers

We have here that Roberto has a total of $3300 in two savings account.

Then, if y represents the amount in one account, we have that the sum of both accounts is up to $3300.

We can suppose that the other account is x. Then, we have:

[tex]x+y=\$3300[/tex]

If we subtract y from both sides of the equation, we have:

[tex]x+y-y=\$3300-y\Rightarrow x=\$3300-y[/tex]

Therefore, the algebraic expression for the amount in Roberto's other account is (since x is not mentioned, we have):

[tex]\$3300-y[/tex]

In summary, the amount in Roberto's other account is $3300 - y.

Find the value of x. A. 9B. 145C. 8D. 154

Answers

Answer: C. 8

When we have two chords intersecting inside a circle, the products of the lengths of the segments are equal to one another. This means that for the given circle, we have the following:

10 * 4 = 5 * x

We can solve for x by multiplying 10 by 4, which is 40, and then dividing by 5, to isolate x, which is 8.

Felix is making a pattern with tiles shaped like parallelograms. He needs 5 black tiles
and 5 white tiles. The tiles cost $0.50 per cm².
What is the total area of the tiles Felix needs
to buy?

Answers

Answer: 80

Step-by-step explanation:

You do 2 times= 8 and multiply 8 to the 5 white and black tiles which equals 40+40=80.

The total area for the parallelogram shaped tiles Felix needs to buy is 80cm² at the price of $40.

Area of parallelogram

In calculating for the area of parallelogram, the base is multiplied by the height, as the same way for calculating the area of a rectangle.

Given that, the base of one parallelogram shaped tile is 4cm with height as 2cm.

Area of one parallelogram shaped tile = 4cm × 2cm

Area of one parallelogram shaped tile = 8cm²

Total area for the 5black and 5white tiles = 10 × 8cm²

Total area for the 5black and 5white tiles = 80cm²

Therefore, Felix needs to buy a total of 80cm² of 10 parallelogram shaped tiles.

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Leaming Diagnostic Analytics » Recommendations Language arts Science Social Studies Eighth grade Y.2 Find the slope from two points ZAC Find the slope of the line that passes through (9, 10) and (6, 12). Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Answers

To find the slope of the line that passes through (9, 10) and (6, 12)

We will use the formula;

[tex]\text{slope =}\frac{y_2-y_1}{x_2-x_1}[/tex]

From the points given;

x₁ = 9 y₁=10

x₂ = 6 y₂=12

Substitute the values into the formula;

[tex]\text{slope =}\frac{12-10}{6\text{ - 9}}[/tex]

Evaluate;

[tex]\text{slope =- }\frac{2}{3}[/tex]

please helpppppp

For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C.
Greg bought a regular-sized box of his favorite cereal. A regular-sized box contains 12 servings.


Part A: If Greg eats 1 1/2 servings for breakfast every day, how many breakfasts can Greg eat from 1 box? Show all work.


Part B: The regular-sized box of cereal costs $4.29. How much does 1 breakfast from a regular-sized box of cereal cost Greg? Round to the nearest hundredth. Show all work.


Part C: If Greg purchased the family-sized box of cereal that contains 18 servings, how many more breakfasts could Greg eat from 1 box? Show all work.

Answers

a. Greg can eat 8 breakfasts from 1 box.

b. The cost of 1 breakfast from a regular-sized box is $34.32.

c. Greg will enjoy 4 breakfast more.

How to calculate the fraction?

a. A regular-sized box contains 12 servings. If Greg eats 1 1/2 servings for breakfast every day, the number of breakfasts that Greg can eat from 1 box will be:

= 12 ÷ 1 1/2

= 12 ÷ 1.5

= 8

b. Since the regular-sized box of cereal costs $4.29. The cost of 1 breakfast from a regular-sized box of cereal cost Greg will be:

= 8 × $4.29

= $34.32

c. If Greg purchased the family-sized box of cereal that contains 18 servings, the number of breakfasts will be:

= 18 ÷ 1.5

= 12 breakfast

The difference will be:

= 12 - 8

= 4 breakfast more.

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Shiloh has 47 books. She wants to put them all on bookshelves. How many bookshelves will Shiloh need if each shelf holds 5 books?

A.
47
÷
5
=
7

R
2

Shiloh will need 8 shelves.

B.
47
÷
9
=
5

R
2

Shiloh will need 9 shelves.

C.
47
÷
5
=
7

R
2

Shiloh will need 7 shelves.

D.
47
÷
5
=
9

R
2

Shiloh will need 10 shelves.

Answers

The number of bookshelves needed if each bookshelves contain 5 books is 10.

How to find the number of shelves will hold the books?

She has 47 books. . She wants to put them all on bookshelves.

Therefore, the number of bookshelves she will need if each shelf holds 5 books can be calculated as follows:

The total number of books she has in her possession is 47 books.

All the books must have a place in the bookshelves.

Each bookshelves can only contain 5 books.

Hence,

let

x = number of bookshelves

Therefore,  the equation to find the number of bookshelves is as follows:

5x = 47

divide both sides by 5

x = 47 / 5

x = 9.4

Therefore, Shiloh will require 10 book shelves.

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