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rjkz [21]
3 years ago
6

What is the answer for C please help !! And explain

Mathematics
1 answer:
docker41 [41]3 years ago
8 0
To determine the hypotenuse, use the formula a^2 + b^2 = c^2.

Place 80 as "a" and 39 as "b". Your formula should look like 80^2 + 39^2 = c^2.

Next, plug this into your calculator to get 7921. Then square root 7921.

Answer: 89
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Y = 15x + 2<br> Is that proportional
posledela

Answer:

No

Step-by-step explanation:

An equation is proportional only if it goes through the origin, meaning the if you plug in 0 for x, you should get 0 for y. In this case plugging in 0 for x gives us 2 for y, meaning it is not proportional.

4 0
4 years ago
Find the quotient: –37.44 ÷ 4.8 Check reasonableness by estimating: –37.44 4.8 Estimated quotient:
Brrunno [24]

Answer:

Step-by-step explanation:

The most important part of this question is the estimation. That means you round either up or down to get whole numbers.

You can make - 37.44 either - 40 or - 35

You can make 4.8 into 5

So the answer should lie between -40/5 = - 8

or

The answer should be between - 35/5 = - 7

Use your calculator to check it.

-37.44 ÷ 4.8 = - 7.8

This skill is very handy when shopping or writing a test. It you get an outrageous answer like - 21.44 you know you have done something wrong.

5 0
3 years ago
Read 2 more answers
We’ve seen that natural numbers are closed under addition. Determine the closure of natural numbers under the other three operat
nevsk [136]

Natural numbers are not closed under subtraction. In fact, any operation x-y,\quad y>x has no solution using natural numbers.


Natural numbers are closed under multiplication. In fact, any operation x\cdot y means to sum x by itself y times, and we already know that natural numbers are closed under sum.


Natural numbers are not closed under division. In fact, if y doesn't divide x, any operation \frac{x}{y} has no solution using natural numbers.

7 0
3 years ago
What is the value of x?
asambeis [7]
Your answer is 63. 54+63+63=180
3 0
4 years ago
Find the valve please
kogti [31]
I belive your answer is d
5 0
3 years ago
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