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faust18 [17]
3 years ago
14

Help asap ! -100x - 100 = 0 -100x = ? x = ?

Mathematics
1 answer:
marin [14]3 years ago
6 0

Answer:

-100x = 10 x = 1

Step-by-step explanation:

I did the math and this is what I got

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A hollow ball is made of rubber that is 1 centimeter thick. The ball has a radius of 5 centimeters at the outside surface.
serious [3.7K]
Given that the ball has a thickness of 1 cm and the radius at the outside is 5 cm, thus the radius from inside is 5 - 1 = 4cm.

The <span>approximate volume of rubber used to make the ball is given by the volume of the ball at the outside surface minus the volume of the ball at the inside surface.

i.e.
</span>
<span>Volume\ of\ rubber= \frac{4}{3} \pi\left(5^3-4^3\right) \\  \\ = &#10;\frac{4}{3} \pi(61)= \frac{244}{3} \pi\approx255.5\ cm^3</span>
4 0
2 years ago
Read 2 more answers
What is the circumference of the circle? r=6.4
nignag [31]

Answer:

C = 40.2124

Step-by-step explanation:

The formula for circumference is

C = 2*pi*r

where r is the radius.

Substitute what we know.

C = 2 * pi * 6.4

C = 12.8 * pi

If we use substitute pi in, we get

C = 40.2124

8 0
3 years ago
3. Three soccer players are scored 25 goals this season.
Varvara68 [4.7K]

The mean goals scored by the soccer players this season is 18.3 goals

<h3>What is mean? </h3>

Mean is the ratio of the sum of data to the total sample of data.

If three soccer players are scored 25 goals this season., five soccer players  scored 19 goals this season and ten soccer players scored 16 goals this season, the mean goal scored is expressed as:

Mean goal scored = 3(25)+5(19)+10(16)/3+5+10

Mean goal scored = 75 + 95+160/18

Mean goal scored = 330/18

  • Mean goal scored = 18.3 goals

Hence the mean goals scored by the soccer players this season is 18.3 goals

Learn more on mean here: brainly.com/question/20118982

3 0
2 years ago
A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round answers to nearest tent
AlexFokin [52]

Answer:

39.275

Step-by-step explanation:

the diameter of the semicircle is 10

A semicircle is half a circle, and a quarter circle is 1/4 of a circle.

Perimeter of a semicircle is ¶d/2

= 3.142 x 10/2 = 3.142 x 5 = 15.71

For 2 semicircles that will be 15.71 x 2 = 31.42

For the quarter circle, perimeter is ¶d/4 = 3.142 x 10/4 = 3.142 x 2.5 = 7.855

Total perimeter = 31.42 + 7.855 = 39.275

5 0
3 years ago
11. Circle the name of the student who correctly wrote the equation modeled below. Then, find the
Svet_ta [14]

Answer:

the student that is correct is Gene and the solution is x=10

3 0
2 years ago
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