3 years ago

I need help with this please !!!!

Mathematics

1 answer:

masha68 [24]3 years ago

3 0

Answer:

I think the answer is 317.52

Step-by-step explanation:

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It took Amber 5 hours 16 minutes to finish a race. Her time at the halfway marker was 2 hours 49 minutes. How long did it take A

KIM [24]

3hr 33 min I guess not really sure

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3 years ago

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Refer to the picture above

vodomira [7]

Answer:

3.14

Step-by-step explanation:

First find the circumference of the circle:

$2\pi r$ = Circumference.

$2 * \pi * 6$ = $12\pi$

Find the ratio of the angle in relation to the entire circle:

$30^o$ is what we have. So:

$\frac{30^o}{360^o} = \frac{1}{12}$

Use the ratio and multiply the circumference to find the length:

$12\pi * \frac{1}{12}$ = $\pi$

Round answer to the hundredth:

$\pi = 3.14$

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What is the surface area?

torisob [31]

Answer:

since the formula of a triangle is ab/2 and since there is four simply multiply 3x4 which is 12 and divide by 2 which is 6 and 6x4= 24 and add that tp 9 since the base is just 3x3 which results for an answer of 33.

Step-by-step explanation:

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3 years ago

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What is the result when the number 70 is increased by 10%

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Answer:

77.00

Step-by-step explanation:

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Ivan and Tanya share £150 in the ratio 4:1<br> How much more does Ivan get than Tanya

mina [271]

Answer:

Ivan gets £90 more than Tanya

Step-by-step explanation:

Given that

Total amount = £150

Ratio: 4:1

First of all we have to find the sum of ratio: 4+1 = 5

Now,

Ivan's Share:

$= \frac{4}{5} * 150\\= 120$

Tanya's Share:

$=\frac{1}{5} * 150\\= 30$

Ivan gets £120 and Tanya gets £30

The difference between their shares is the answer.

So,

$= 120-30 = 90$

Hence,

Ivan gets £90 more than Tanya

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2 years ago