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trasher [3.6K]
3 years ago
7

Find the area of this rectangle7 in10 in​

Mathematics
1 answer:
JulsSmile [24]3 years ago
3 0

Answer:

70

Step-by-step explanation:

7 x 10 is 70. Pretty easy but ok.

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tino4ka555 [31]

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Maybe 7?

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Solve by substitution <br>-4x-2y=-12 <br>4x+8y=-24
kykrilka [37]
I hope this helps you



-4x-2y+4x+8y= -12-24



6y= -36


y= -6



-4x-2. (-6)= -12


-4x+12= -12


-4x= -24


x=6


(6, -6)
5 0
2 years ago
What is the percent of decrease from 10 to 3?<br>Write your answer using a percent sign (%).<br>​
Nadya [2.5K]

Answer:

Convert the decimal to a percentage by multiplying the decimal by  

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Step-by-step explanation:

4 0
2 years ago
Use the Law of Cosines to find the missing angle.<br><br> Find m∠A to the nearest tenth of a degree.
Savatey [412]

Firstly, we can look at our givens,

a = 17

b = 22

c = 30

And we are looking for m∠A

a^2=b^2 +c^2 -2bc (cosA) Is the Law of Cosines. Now we can solve for our unknown, m∠A. This will give us

A = cos^{-1} (\frac{-a^2+b^2+c^2}{2bc})

Now we can substitute in our given variables.

A= cos^{-1} (\frac{-(17^2)+27^2+30^2}{2(27)(30)} )

Then we can plug this into our calculator which will give us

34.19185257 degrees

Now we just have to round to the nearest tenth

This means that the answer is 34.2 degrees

8 0
3 years ago
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spin [16.1K]
82+2x=180
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answer is x=49
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3 years ago
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