3 years ago

A swimming class has 20 students. Only 8 students know how to dive off

Mathematics

1 answer:

Allisa [31]3 years ago

6 0

Answer: 40%

Step-by-step explanation:

To write 8/20 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % . 8/20 * 100 = 0.4 * 100 = 40% And finally we have: 8/20 as a percent equals 40%

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Find a coterminal angle to -180 degrees.

maw [93]

Answer:

540 degrees

Step-by-step explanation:

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3 years ago

Need help on this! Please someone help!!!

Jet001 [13]

This can be easily solved, especially with a calculator.
With the calculator, you can find that $\sqrt{42}$ is about 6.4807.
Multiply that by 2, you get about 13 inches.

If you can't use a calculator, then you can just estimate. Since we know that $\sqrt{36}$ is 6 and $\sqrt{49}$ is 7, $\sqrt{42}$ is in between them, so you can just say somewhere around 6.5.

Multiply 2 * 6.5 and you get 13 inches.

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2 years ago

The Patel family looks at a map to plan their family vacation. They plan to travel from Smithville to Jonesville, which are 334

kotykmax [81]

Answer:

282.7miles

Step-by-step explanation:

334+514=848inch

12inch=4miles

848inch=x

$x = \frac{818 \times 4}{12} = 282.7$

3 0

2 years ago

Read 2 more answers

HELP ASAP!! What is angle 1 called??

ololo11 [35]

Your right it’s an obtuse angle

7 0

3 years ago

A rectangle whose perimeter is 110 feet. The length is 4 times as long as the width. Find the length and the width.

madreJ [45]

Set up a system of equations.
l=4w
2l+2w=110

Substitute l in to the second equation.
2(4w)+2w=110
8w+2w=110
10w=110
w=11

Substitute w back into the first equation.
l=4(11)=44

So, the length is 44 feet and the width is 11 feet.

Hope this helped!

8 0

2 years ago