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Soloha48 [4]
3 years ago
10

5 to the power of 2 subtracted by 2 and added by 7

Mathematics
1 answer:
QveST [7]3 years ago
6 0

Answer:

30

Step-by-step explanation:

5^2-2+7

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Solve. Use the basic percent equation. 212.5 is 85% of what?
uranmaximum [27]

Answer:

250

Step-by-step explanation:

85% · n = 212.5

[convert 85% to .85]

.85n = 212.5

n = 212.5/.85

n = 250

6 0
3 years ago
Find the value of x.
lawyer [7]

Answer:

\huge\boxed{x=\sqrt{70}}

Step-by-step explanation:

ΔABC and ΔADB are similar (AAA).

Therefore the corresponging sides are in proportion:

\dfrac{AB}{AD}=\dfrac{AC}{AB}

Substitute:

AB=x\\AC=7+3=10\\AD=7

\dfrac{x}{7}=\dfrac{10}{x}       <em>cross multiply</em>

(x)(x)=(7)(10)\\\\x^2=70\to x=\sqrt{70}

4 0
3 years ago
Graph y=-2/3x-3 i need help quick
timurjin [86]

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Step-by-step explanation: no

5 0
3 years ago
What is 10+8+30x20 equal
Leviafan [203]
Using the Order of Operations, this simplifies to 10+8+600 because you multiply before adding. Then you would simply add up the remaining numbers, making it 618.
The answer is 618.

I hope this helps!
3 0
3 years ago
What is the best estimate of 42% of 756?<br><br> a)320<br><br> b)240<br><br> c)400<br><br> d)400
nataly862011 [7]
320 i believe... the original answer was 317.52
4 0
3 years ago
Read 2 more answers
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