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Romashka [77]
3 years ago
10

What is the total surface area for #3

Mathematics
2 answers:
kifflom [539]3 years ago
8 0
The answer choice c.
Liono4ka [1.6K]3 years ago
7 0
I think the answer is C
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Helpp what is <br><br> 3(1-9a)+22a=2(2a-9)-15
Klio2033 [76]

Answer:

a = 4

Step-by-step explanation:

1. Expand

2. Simplfy

3. Add 5a to both sides.

4. Simplify again

5. Add 33 to both sides.

6. Divide both sides by nine

7. Switch the sides up.

6 0
2 years ago
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Rewrite the expression using positive exponents<br> 1. 1/9x^-2y^-1<br><br> 2. a^-5*a^-8
NikAS [45]

Answer:

Property : a^-b = 1/a^b

Using this property, we can rewrite the expression using positive exponents :

1.  \frac{1}{9}*x^{-2} *y^{-1} =\frac{1}{9}\frac{1}{x^{2} } \frac{1}{y} =\frac{1}{9x^{2} y} \\2. a^{-5} a^{-8} =\frac{1}{a^{5}a^{8}  } =\frac{1}{a^{13} }

4 0
3 years ago
Which of the following operations will change the solution of the system x − y = 2 and 3x − 3y = 2?
Anon25 [30]
The answer would be times 3.
Hope that helped.
8 0
3 years ago
Farrah's annual salary is £27,750. how much does she get paid per week?
VashaNatasha [74]
Hello human

Answer:

532.19 per week

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You divide 27750 by 52.143 Because there are 52.143 weeks per year.


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7 0
3 years ago
In the diagram of circle C, what is the measure of 21?
kondaur [170]

Answer:

If I know what diagram you're referring to, which I believe I do, the answer is: ∠1=(1/2)[106°-36°]=35°

4 0
3 years ago
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