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3 years ago

8

Which set of numbers could represent the lengths of the sides of a right triangle?

2 answers:

kramer3 years ago

7 0

I’m not exactly sure but I would say 5, 12, 13 because of how the length of the sides of a right triangle looks like.

Marat540 [252]3 years ago

3 0

I agree I always thinks it’s 5, 12 ,13

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What is the approximate surface area of a sphere with a circumference of 37.68

sergij07 [2.7K]

We must find the radius so we can plug this into the formula for surface area.

Circumference = $2 \pi r$
$37.68 = 2 \pi r \\ r = 37.68/2 \pi$

We are going to plug this in as our radius for the most accurate answer.

The surface area of a sphere is $4 \pi r^{2}$

Surface Area = $4 \pi ( \frac{37.68}{2 \pi }) ^{2}$ ≈ 451.93 units

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3 years ago

Sipho made a 12.5% when he sold a coat for E437.50 .calculate original cost of the coat

kaheart [24]

Answer:

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Step-by-step explanation:

Given x the original price of the coat

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3 years ago

The weight of tigers follow a normal distribution with a mean of 220 kg and a SD of 30 kg. 1) If we randomly select a tiger, wha

mylen [45]

Answer:

0.89736

Step-by-step explanation:

We solve this question using z score formula

Z score = x - μ/σ

x = raw score

μ = population mean

σ = population standard deviation

Hence,

x = 258, μ = 220, σ = 30

Z = 258 - 220/30

=1.26667

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3 years ago

A healthy human heart beats about 1,533,000 times a year. A sparrow's heart beats about 241,776,000 times in a year. About how m

Galina-37 [17]

Answer:

About 158 times

Step-by-step explanation:

Represent the rate of human heart with H and sparrow's heart with S

$H = 1,533,000\ times$

$S = 241,776,000\ times$

Required

Determine how many times faster is S than H

To do this, we simply divide S by H i.e.

$Number = \frac{S}{H}$

$Number = \frac{241,776,000}{1,533,000}$

$Number = 157.714285714$

$Number = 158$ --- approximated

<em>Hence, the sparrow's heart beats about 158 times faster than the human hearts</em>

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3 years ago

How to write 710,200 in word form

Vilka [71]

Word Form: Seven hundred ten thousand two hundred.

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3 years ago

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