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Answer:

Total students  = 1240

Step-by-step explanation:

Boys : girls = 11 : 9

Number of boys  = 11x

Number of girls  = 9x

11x - 9x = 124

       2x = 124

         x = 124/2

        x = 62

Number of boys  = 11x = 11 *62 = 682

Number of girls  = 9x   = 9*62    = 558

Total students  = 682 + 558 = 1240

Answer:

A

Step-by-step explanation:

use slope formula hope this helps

Answer: 4 quarts.

Step-by-step explanation:

Given data:

Amount of dry ingredients = 5 quarts.

Amount of water in the mixture = 2 quarts.

Solution:

Let’s a represent the amount of dry ingredients.

Let b represent the amount of water

For first Batch

a/b = 5/2.

b = 2/5a ....... equation 1

For second Batch

a= 10

substitute a into equation 1 to solve for b

b = 2/5(10)

b = 4.

The ratio for batch b = 10/4.

Zahara needs to add 4 quarts of water to the mixture.

Answer:4 quarts!

Step-by-step explanation:

Answer:

£0.75 is how much each battery costs.

Step-by-step explanation:

£5.99 ÷ 8 = £0.748

Answer:

75 cents

5.99 divided by 8 is .74 which can be rounded to .75 which is also 75 cents

Answer:

slope = -3

Step-by-step explanation:

Slope formula: [tex]\frac{y2-y1}{x2-x1}[/tex]

Given points: (2, 0), (6, -12)

(2, 0) = (x1, y1)

(6, -12) = (x2, y2)

To find the slope, input the two given points into the formula used to find slope:

[tex]\frac{-12-0}{6-2}[/tex]

Simplify:

-12 - 0 = -12

6 - 2 = 4

[tex]\frac{-12}{4} = -\frac{3}{1}=-3[/tex]

The slope of the line is -3.

Hope this helps :)

Answer:  W, Y, X  (choice D)

=======================================================

Explanation:

The square angle marker means angle X is 90 degrees.

For any triangle, the three angles always add to 180

X+Y+W = 180

90+(2x+9)+(2x+1) = 180

4x+100 = 180

4x = 180-100

4x = 80

x = 80/4

x = 20

Use this x value to find the other angles

angle Y = 2x+9 = 2*20+9 = 49

angle W = 2x+1 = 2*20+1 = 41

As a check,

X+Y+W = 90+49+41 = 180

which confirms we have the right angles.

The last step is to sort the angles from smallest to largest

That would lead to W, Y, X which is choice D

Answer:

hope this helps

Step-by-step explanation:

9+6(10-7x)

=9+60-42x

=69-42x

Answer:

(x, y) = (0 , 2)

Step-by-step explanation:

Answer:

use elimination or substitution.

Step-by-step explanation:

Answer:c

Step-by-step explanation:

Answer:

$ 118.80

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 9%/100 = 0.09 per year,

then, solving our equation

I = 660 × 0.09 × 2 = 118.8

I = $ 118.80

The simple interest accumulated

on a principal of $ 660.00

at a rate of 9% per year

for 2 years is $ 118.80.

Answer:

use division

Step-by-step explanation:

this question is pretty simple, all you need to do is the opposite of multiplication, which is........division.

so divide 28 by 8 = 3.5

so it prints 3.5 (3 and a half) pages per minute.

Hi, I'm new can I get marked as brainlieser? It would be highly appreciated.

Hope my answer helps :)

Answer:

1 + 1 = 2

Step-by-step explanation:

:)

Answer:

1 + 1 = 2

Hope it Helps

Answer:

The value of c is 1/2

Step-by-step explanation:

We have to find the value of c that completes the square  [tex]x^2-x+c[/tex]

So, completing square is of form: [tex]a^2-2ab+b^2=(a-b)^2[/tex]

In the question given the value c can be found by breaking the middle term. we are given -x while the general formula is 2ab for middle term so, our c = 1/2 i.e 2(x)(1/2) we get x so, solving:

[tex]x^2-x+c\\=x^2-2(x)(\frac{1}{2})+(\frac{1}{2})^2-(\frac{1}{2})^2\\=(x-\frac{1}{2})^2-(\frac{1}{2})^2[/tex]

The value of c is 1/2

Answer:

BC ≅ YX and ∠A ≅ ∠X

Step-by-step explanation:

Answer:

the answer is the last one BC is congruent to yz and a and x

Step-by-step explanation:

Answer:

uh

Step-by-step explanation:

Answer:

Supplementary angles

Step-by-step explanation:

The 2 angles are same- side interior angles and are supplementary

Answer:

Gah! Inverses!

Step-by-step explanation:

This is a pretty simple concept, just switch the x and f(x) values!

If you don't understand, look at how I solve it!

[tex]f(x)=\frac{1}{3} -\frac{1}{21} x[/tex]

Switching the positions of the x and f(x) values...

[tex]x=\frac{1}{3} -\frac{1}{21} f(x)^{-1}\\[/tex]

Note: That f(x)^-1 is the proper notation for inverse functions.

[tex]x-\frac{1}{3} =-\frac{1}{21} f(x)^{-1} \\f(x)^{-1}=-21x+7[/tex]

There you go!

Hope this helps, and don't procrastinate!

Answer:

i think 3x+12=7x y

Step-by-step explanation:

Answer:

hi

Step-by-step explanation:

r=4vn-tn

(x + 5)(x - 8)

= x² + {5 + (-8)}x + 5(-8)

= x² - 3x - 40

Answer:

22 pi ft

Step-by-step explanation:

We can use the area to find the radius

A = pi r^2

121 pi = pi r^2

Divide each side by pi

121 = r^2

Take the square root

sqrt(121) = sqrt(r^2)

11= r

Now we need to find the circumference

C = 2*pi*r

C = 2* pi *11

C = 22 pi ft

Answer:

1. Use area to find radius.

  A =  π r^2

  121 π = π r^2

2. Divide each side by π.

   121 = r^2

3. Take in the square root .

    [tex]\sqrt{121} = \sqrt{r^{2} }[/tex]

   11 = r

4. Find the circumference .

   C = 2 × π × r

   C = 2 × π × 11

    C = 22 π ft

Answer:

40

Step-by-step explanation:

0.25x40=10 dollars

Answer:

sry i hope u find what your looking for

Answer:

34.3333333333

Step-by-step explanation:

Step-by-step explanation:

80$ is original price so 100%

markup by 35% make price 135%

crossmultiplication

ans=108

Based on the cost of the camera and the percentage markup, the selling price of the camera is $108.

The camera's selling price is 35% more than its cost price. That 35% is:

= 80 x 35%

= $28

The selling price of the camera is therefore:

= Cost of camera + Increase

= 80 + 28

= $108

In conclusion, the camera is being sold for $108.

Find out more at https://brainly.com/question/3837.

Answer:

78 !!!!

Step-by-step explanation:

Answer:

7n

Step-by-step explanation:

Answer:

n x 7

Step-by-step explanation:

hope this helps

Answer:

4 6 7

Step-by-step explanation:

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