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Crank
3 years ago
13

Is the correct answer 4.95?

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0
30*.95 = $28.50
33*.85 = $28.05  <- Answer
36*.8   = $28.80
39*.75 = $<span>29.25</span>
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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
2(r+3)=<br><br> Can u please help me solve this
AnnZ [28]

Answer:

2r + 6

Step-by-step explanation:

have a good day :)

4 0
3 years ago
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An employee worked 36 hours last week. This week, she worked 15% less hours. How many hours did she work this week?
Lelu [443]

Answer: 30.6

Step-by-step explanation: she worked 30.6 hours be cause if you think 36 of 15% it is 30.6 hours she worked

5 0
3 years ago
Find angles EFG pleaseee
Bumek [7]

Answer:

50 degrees.

Step-by-step explanation:

Angle FGE = 180-(7x+18) because angles on a straight line add up to 180 degrees.

Angle EFG = 180-38-(180-(7x+18))=6x-10 (Angles in a triangle add up to 180)

180-38-\left(-7x+162\right)=6x-10

180-38+7x-162=6x-10

7x-20=6x-10

Add 20 to both sides:

7x-20+20=6x-10+20

7x=6x+10

Subtract 6x from both sides:

7x-6x=6x+10-6x

x=10

Angle EFG=6x-10=6(10)-10=60-10=50

3 0
4 years ago
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const2013 [10]
2a+3=s 

I used the first letter of the name, or you can use x and y in place of a and s
7 0
3 years ago
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