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MatroZZZ [7]
2 years ago
9

What's the length of AB?​

Mathematics
1 answer:
Nastasia [14]2 years ago
8 0
Use the pythagorean theorem to solve this: a^2 + b^2 = c^2.
You already have a and b which are 3 and 4. Square them up and you will get 9 + 16 = c^2.
Add.
25 = c^2
Lastly, square root both sides.
5 = c
The length of AB is 5.
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A carpenter has 16 1/2 m of wood. He cuts the wood into pieces that are each 2 3/4 m long.
mario62 [17]
So your question is how pieces are there?? If it is:
Its 2 pieces plus a 0.36m leftover
6 0
3 years ago
What is the scale factor of two similar pyramids with volume of 13824 cubic feel and 216 cubic feet?
velikii [3]

Answer: The scale factor is 4

Step-by-step explanation:

We know that the pyramids are similar. The volume of one of these pyramids is  13,824 cubic feet and the volume of the other one is 216 cubic feet. Then:

V_1=13,824ft^3\\V_2=216ft^3

By Similar solids theorem, if two similar solids have a scale factor of \frac{a}{b}, then corresponding volumes have a ratio of \frac{a^3}{b^3}

Then:

\frac{V_1}{V_2}=\frac{a^3}{b^3}

Knowing this, we can find the scale factor. This is:

\frac{13,824}{216}=\frac{a^3}{b^3}\\\\\frac{13,824}{216}=(\frac{a}{b})^3\\\\\frac{a}{b}=\sqrt[3]{\frac{13,824}{216}}\\\\scale\ factor=\frac{a}{b}=4

3 0
3 years ago
A piece of string that is 9.4 meters long is cut into two pieces. One piece is 3 times as long as the other. Find the length of
xenn [34]

9.4=3x+x

9.4=4x

=2.35

the shorter piece is 2.35 and <u>the longer piece is </u><u>7.05</u>

5 0
2 years ago
What is the value of the expression? 56−(18÷34) as a fraction in simplest form
marta [7]
The value of the expression in simplest form is: 55 8/17.

Hope this helps! :D

~PutarPotato
7 0
3 years ago
Guidelines for the amount of supplementary nitrogen needed to grow winter wheat depend on the amount of nitrogen in the soil​ (a
Ierofanga [76]

The net profit or income for case A and case B based on the information will be $9250 and $9500 respectively.

<h3>How to compute the net profit?</h3>

Case A:

Based on the information, the price of fertilizer will be:

= 0.25 × 100 × 50

= $1250

Price of wheat = 3.50 × 50 × 50

= $10500

Net profit = $10500 - $1250

= $9250

Case B:

Price of fertilizer will be:

= 0.50 × 70 × 50

= $1750

Price of wheat = 4.50 × 50 × 50

= $11250

Net profit = $11250 - $1750

= $9500

Therefore, the net profit or income for case A and case B based on the information will be $9250 and $9500 respectively.

Learn more about net income on:

brainly.com/question/15530787

#SPJ1

3 0
1 year ago
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