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3 years ago

Perform the indicated operation.

Mathematics

2 answers:

bulgar [2K]3 years ago

8 0

-20. -100/5 is -20. You could have used a calculator to find this.

Valentin [98]3 years ago

4 0

When dividing a fraction in which the top OR the bottom is negative, the answer is negative. Next, just solve normally. 100/5=20
If you want to check, 20*5=100.
Remember to make the answer negative, so the answer is -20.<span />

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Find the length of each arc<br> r=13 ft x=90 degrees

VladimirAG [237]

Answer:

$13\pi/2$

Step-by-step explanation:

The formula of the circumference of a circle is $2\pi r$ .

The length of an arch can be found by using the ratio of circumference to the arc.

First, find the circumference of the circle:

$2\pi *13=26\pi$

Then you find the ratio:

The length of the arc is 90/360, which is 1/4, of the circumference.

Finally, find the length of the arc:

$26\pi*1/4=(13/2)\pi$ or $13\pi/2$

I hope this helps :)

6 0

3 years ago

At lavernes swimwear there are 6 bikini styles and 2 other types of swimsuit what percent of the swimsuit styles are bikinis?

ELEN [110]

Answer:

33.33%

Step-by-step explanation:

6 bikini styles and 2 other types

so, total types is 3

so, bikinis is only 1 of the 3, which is 1/3 or 33.33%

6 0

3 years ago

Read 2 more answers

I will give brainliest to person who answers correctly!

Crank

Answer:

41 is the answer .......

4 0

3 years ago

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Akimi4 [234]

Answer:

294 inches squred

Step-by-step explanation:

3 x 10 = 30

3 x 9 = 27

10 x 9 = 90

2(30) + 2(27) + 2(90) = 294

7 0

2 years ago

Solve the compound inequality,

Feliz [49]

Answer:

$\large\boxed{y\in(-6,\ \infty)}$

Step-by-step explanation:

$(1)\\2y-2>-14\qquad\text{add 2 to both sides}\\\\2y-2+2>-14+2\\\\2y>-12\qquad\text{divide both sides by 2}\\\\\dfrac{2y}{2}>\dfrac{-12}{2}\\\\y>-6$

$(2)\\\\4y-4\geq12\qquad\text{add 4 to both sides}\\\\4y-4+4\geq12+4\\\\4y\geq16\qquad\text{divide both sides by 4}\\\\\dfrac{4y}{4}\geq\dfrac{16}{4}\\\\y\geq4$

$\text{From (1) and (2) we have:}\\\\y>-6\ or\ y\geq4\to y\in(-6,\ \infty)\ \cup\ [4,\ \infty)\Rightarrow y\in(-6,\ \infty)$

7 0

3 years ago