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ella [17]
3 years ago
12

What is the length of side BC if AC is 5 square root 2 m?

Mathematics
1 answer:
Jet001 [13]3 years ago
4 0
This is a right triangle, so AC is a hypotenuse. The other angles are each 45 degrees, so the legs AB and BC are equal length. a^2 + b^2 = c^2 a = b 2a^2 = (5sqrt2)^2 = 50 a^2 = 25 a = 5 Answer: 5
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Tommy has a stack of 8 pancakes. Each pancake has a radius of 9
chubhunter [2.5K]

Answer:

254.47 cm^2

Step-by-step explanation:

First you have to know the formula for the area of a circle which is:

<h2>A=\pi r^2</h2>

In the word problem it gives us the radius of a pancake which is 9 cm, so we just need to plug it into<em> r </em>in our formula:

<h2>A=\pi r^2</h2><h2>A=\pi (9)^2</h2>

A ≈ 254.47 cm^2

3 0
3 years ago
The leg of a right triangle is 3 units and the hypotenuse is 6 units. What is the length, in units, of the other leg of the tria
svetlana [45]

Answer:

a. rad27

Step-by-step explanation:

we can use a2+b2=c2 where c is the hypotonuse.

we plug in 3^2+b2=6^2

9+b^2=36

b^2=27

then do a rad over each to get rid of the ^2 on the b

b=rad 27

answer is rad27

4 0
2 years ago
Identify the fractions as proper, improper, or mixed; however, if the fraction is equivalent to one, indicate so. 3 1/8
leva [86]

Answer:

The fraction is mixed and is not equivalent to 1.

Step-by-step explanation: A mixed fraction is a fraction that is a whole number and a proper fraction combined.


4 0
3 years ago
Please help. I don’t understand what to do
11111nata11111 [884]

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=23.9\\ h=100 \end{cases}\implies V=\cfrac{\pi (23.9)^2(100)}{3} \\\\\\ V=\cfrac{57121\pi }{3}\implies V\approx 59816.97\implies \stackrel{\textit{rounded up}}{V=59817} \\\\[-0.35em] ~\dotfill

now, for the second one, we know the diameter is 10, thus its radius is half that or 5.

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5\\ V=225 \end{cases}\implies 225=\cfrac{\pi (5)^2 h}{3}\implies 225=\cfrac{25\pi h}{3} \\\\\\ \cfrac{225}{25\pi }=\cfrac{h}{3}\implies \cfrac{9}{\pi }=\cfrac{h}{3}\implies \cfrac{27}{\pi }=h\implies 8.59\approx h\implies \stackrel{\textit{rounded up}}{8.6=h}

6 0
3 years ago
A cake calls for three-fourths of
lorasvet [3.4K]

Hello! My name is Chris and I’ll be helping you with this problem.

Date: 9/28/20 Time:  11:10 am CST

Answer:

2 1/4 cups of sugar

Explanation:

3/4 x 3 = 2.25

I hope this helped answer your question! Have a great rest of your day!

Furthermore,

Chris  

4 0
3 years ago
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