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4 years ago

❤❤❤I WILL MARK AS BRILLIANT WHOEVER ANSWERS THESES QUESTIONS. HELP ME❤❤❤

2 answers:

7 0

1. One eighth as a percent is 12.5 %
2. 0.063 as a percent is 6.3%
3. 34.71% live with their parents
4. 23.44% as a decimal is 0.2344
5. Each person should contribute $5
6. The proportion would be 47.57
7. 41 is 84 percent of 205
8. There are 16 students in the entire class.
9a) She took 75 shots.
9b) 24 shots, so thats 15%
10. That's 60 percent.
11. Thats $81.85
For most of these if you want the percentage just divide the number you are given into the total, then you will get a decimal, with that decimal multiply it by 100 and you will get the percent!

slavikrds [6]4 years ago

6 0

2) 6.3%
7) 20%
8) 25
9) 75 shots; 15.1%
10) 24 = p • 40; 60%
11)$81.85

I think these are the answers, I'm not sure

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The volume of a box (v) varies directly with its length (l) if one of the boxes has a volume of 325 cubic inches and a length of

stiks02 [169]

Answer:

The constant of proportionality for the group of boxes is: 25

Step-by-step explanation:

Proportion means that change in one quantity causes change in other quantity. Direct variation means that increase in one quantity causes increase in the other quantity.

Let l be the length and v be the volume

Then according to given statement

V∝l

Removing the proportionality symbol introduces a constant in the equation

$V = kl$

Putting V = 325 and l = 13

$325 =k(13)\\k = \frac{325}{13}\\k = 25$

Hence,

The constant of proportionality for the group of boxes is: 25

5 0

3 years ago

How do i do number 7 because I don't know how to do this and I need help,please explain.

Misha Larkins [42]

You do the same as if it was positive you will multiply -4*-4 to get 16 and then you will multiply 16*-4 to get -64

Hope this helps

3 0

4 years ago

If f(x) = 2x² +5√(x-2), complete the following statement: f(3) =

Musya8 [376]

We just replace the "x" with the starting number (in this case "3").

$f(3) \: = \: 2(3) ^{2} \: + \: 5 \sqrt{3 \: - \: 2}$

$f(3) \: = \: 2 \: \times \: 9 \: + \: 5 \sqrt{1}$

$f(3) \: = \: 18 \: + \: 5 \: \times \: 1$

$f(3) \: = \: 18 \: + \: 5$

$f(3) \: = \: \boxed{ \bold{23}}$

<h3>MissSpanish</h3>

6 0

2 years ago

Read 2 more answers

Which of the following is a solution of 4x2 = − 9x − 4?

nignag [31]

Get all on one side
add 9x+4 both sides
4x^2+9x+4=0
use quadratic formula
in form
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

a=4
b=9
c=4

x= $\frac{-9+/- \sqrt{9^{2}-4(4)(4)} }{2(4)}$
x= $\frac{-9+/- \sqrt{81-64} }{8}$
x= $\frac{-9+/- \sqrt{17} }{8}$
x= $\frac{-9+ \sqrt{17} }{8}$ or $\frac{-9- \sqrt{17} }{8}$

aprox
x=-1.64039 or -0.6096

8 0

4 years ago

Read 2 more answers

Pierce draws a circle with a radius of 3 centimeters. Ginna draws a circle with a radius that is twice as long as the radius of

erastova [34]

Answer:

Circumference of the circle drawn by Ginna is twice the Circumference of the circle drawn by Pierce.

Step-by-step explanation:

Given:

Radius of the circle drawn by Pierce = 3 cm

We need to find circumference of gianna's circle compare with the circumference of Pierce's circle.

Solution:

Radius of the circle drawn by Pierce = 3 cm

so we will find the Circumference of circle drawn by Pierce.

Now we know that;

Circumference of the circle is given by 2 times π times radius of the circle.

framing in equation form we get;

Circumference of the circle drawn by Pierce = $2\pi\times 3=6\pi\ cm$

Now Given:

Ginna draws a circle with a radius that is twice as long as the radius of pierce's circle.

So we can say that;

radius of the circle drawn by Ginna is equal to 2 times radius of circle drawn.

so we can say that;

radius of the circle drawn by Ginna = $2\times3 = 6\ cm$

Circumference of the circle drawn by Ginna = $2\pi\times 6=12\pi\ cm$

Now we can see that;

Circumference of the circle drawn by Ginna is $12\pi \ cm$ while Circumference of the circle drawn by Pierce is $6\pi \ cm$

So we can say that;

Circumference of the circle drawn by Ginna is twice the Circumference of the circle drawn by Pierce.

3 0

3 years ago