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DochEvi [55]
3 years ago
7

I need help on number 1 c I'm stuck

Mathematics
1 answer:
Neko [114]3 years ago
7 0
Number one is blurry
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Marcy played the piano for 45 minutes. She stopped playing at 4:15 p.m. At what time did she start playing the piano ?
ololo11 [35]
Well, first off 1 hr =60 minutes. 60 min - 45 min = 15 minutes extra. what is one hour before 4:15? 3:15! Add the subtracted 15 minutes to get 3:30... Hope this helps
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PLEASE HELP!!!!!!!!
Flura [38]

the answer is A ,when x=0,g(x)is-1,so when u add x into the g(x),which is  given below,u can find C,D,E,g(x) is no equal to -1,when you add x=1 into g(x)(A,B),you can find g(x) of B is 0,which is no equal the answer giving above(g(x)=2),but A is all right.

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3 years ago
What is the square of 0.81?
uysha [10]

Answer:

0.6561

Step-by-step explanation:

i think i could be wrong if am right brainliest

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2 years ago
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Find the value of x. Then find the angle measures of the polygon.
iogann1982 [59]

Answer:

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What is 2 radical 15 squared
aleksandrvk [35]
2\sqrt{15^2}=2\cdot15=30\\\\\\2\sqrt{15^2}=2\cdot\left(15^2\right)^\frac{1}{2}=2\cdot15^{2\cdot\frac{1}{2}}=2\cdot15=30



\left(2\sqrt{15}\right)^2=2^2\cdot\left(\sqrt{15}\right)^2=4\cdot15=60\\\\\left(2\sqrt{15}\right)^2=2^2\cdot\left(\sqrt{15}\right)^2=4\cdot\left(15^\frac{1}{2}\right)^2=4\cdot15^{\frac{1}{2}\cdot2}=4\cdot15^1=4\cdot15=60
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3 years ago
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