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ludmilkaskok [199]

3 years ago

7

D

1 answer:

telo118 [61]3 years ago

3 0

Let Ale’s money=a
Let Leo’s money=L

a=2L+3

You may have to rearrange any multiple choice answers algebraically, but they should all simplify down to the a= equation.

In problems like this, you can solve by thinking of how the word problem defines the variable. Ale is defined as twice Leo, plus three.

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!!PLEASE HELP MY PARENTS ARE MAD AT ME FOR MY GRADES!! f( x) = -3 x – 5, calculate f(-7)

Stolb23 [73]

Answer:

16

Step-by-step explanation:

plugin -7 for where x is

f(-7)= (-3)(-7)-5

=21-5 is 16

4 0

2 years ago

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In his free time, Gary spends 7 hours per week on the Internet and 8 hours per week playing video games. If Gary has five hours

77julia77 [94]

Answer:

D. 30%?

I'm not 100% sure but I think its D. Sorry if it's wrong.

3 0

3 years ago

Mr. D'Angelo hired a painter to paint the outside of his house green. The painter must mix 3 gallons of blue paint with every 5

Alborosie

Answer:

$\frac{3}{5}$

Step-by-step explanation:

3 gallons of blue paint and 5 gallons of yellow paint and this answer is a fraction so $\frac{3}{5}$ is the answer.

5 0

2 years ago

The lengths of the sides of a triangle are in the extended ratio 7: 9 : 10. The perimeter of the triangle is 52 cm. What are t

Pavel [41]

Answer:

14 cm, 18 cm, 20 cm

Step-by-step explanation:

7x + 9x + 10x = 26x

equation: 26x = 52

divide each side by 26: x = 2

7 * 2 = 14

9 * 2 = 18

10 * 2 = 20

check if answer is right: 14 + 20 + 18 = 52

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8 0

2 years ago

The diameter of the base of the cone measures 8 units.

weeeeeb [17]

Answer: $32\pi$ cubic units.

Step-by-step explanation:

You can use this formula for calculate the volume of a cone:

$V_{cone}=\frac{1}{3}\pi r^2h$

Where "r" is the radius and "h" is the height.

You know that the diameter of the base of the cone measures 8 units, then, the radius can be found by dividing the diameter by 2:

$r=\frac{8units}{2}\\\\r=4units$

Since you already know that height and the radius, you can substitute them into the formula. Then, the volume of this cone is:

$V_{cone}=\frac{1}{3}\pi (4units)^2(6units)$

$V_{cone}=32\pi \ units^3$

3 0

2 years ago

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