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ASHA 777 [7]
3 years ago
13

Please need help asap!

Mathematics
1 answer:
beks73 [17]3 years ago
6 0

Answer:

66

Step-by-step explanation:

(z-33)/z = 1/2

2z-66=z

z=66

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rodikova [14]

Answer:

x=35

Step-by-step explanation:

3x+7+68=180

3x+75=180

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8 0
2 years ago
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Elena randomly chooses a number from 1 to 10. What is the probability she chooses a number greater than 5?
zepelin [54]

ANSWER

P(E)=\frac{1}{2}

EXPLANATION

From the given information, Elena chooses a number from 1 to 10.

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S={1,2,3,4,5,6,7,8,9,10}

n(S)=10

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E={6,7,8,9,10}

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P(E) =  \frac{5}{10}

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5 0
3 years ago
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Lelechka [254]
If you add the two numbers, 10 +8 is 18.  The fractional parts are 1/4 and 2/4 which equals 3/4.  So the total length is 18 and 3/4 feet.
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Which is the value of this expression when a=5 and k=-2
Zinaida [17]

Answer:

Option C is correct.

Step-by-step explanation:

We are given the expression:

(\frac{3^2a^{-2}}{3a^{-1}})^k

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san4es73 [151]

Answer:

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Step-by-step explanation:

-  \frac{4}{5x}  = 80 \\  -  \frac{4}{80 }  = 5x \\ x =  -  \frac{1}{100}

8 0
1 year ago
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