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Xelga [282]
2 years ago
9

It takes peter 3/5 of an hour to paint one room. How long will it take for him to paint three rooms?

Mathematics
1 answer:
rosijanka [135]2 years ago
6 0

Answer:

1 4/5 hours

Step-by-step explanation:

3/5 x 3 = 9/5 or 1 4/5

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Anyone know the answer I’m lost…
Artist 52 [7]

Answer:

#1: -1

#2: 1

Step-by-step explanation:

Anything raised to  the 0 power is 1, but in question 1 the negative is outside the parenthesis, so it makes it -1.

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What are the Factors of 2,3,4,5
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Step-by-step explanation:1,5

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Find the slope and the y-intercept of the line y=9x-8
german

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Step-by-step explanation:

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Find the principal needed now to get to $25,500 after 10 years at 6% compounded continuously
Inessa05 [86]

Answer: $14239.07

Explanation:

A=P(1+I)^n

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25500=P(1.06)^10

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6 0
3 years ago
Listed below are the summary statistics from samples of strontium-90 in baby teeth obtained from twelve Pennsylvania residents a
qaws [65]

Answer:

9.72

Step-by-step explanation:

s1 = 10.6383 ; s2 = 5.21289

x1 = 147.583 ; x2 = 136.417

n1 = 12 ; n2 = 12

df1 = n1 - 1 = 12 - 1 = 11

df2 = n2 - 1 = 12 - 1 = 11

The test statistic :

(x1 - x2) / sqrt[(sp²/n1 + sp²/n2)]

Pooled variance = Sp² = (df1*s1² + df2*s2²) ÷ (n1 + n2 - 2)

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Test statistic, T* :

(147.583 - 136.417) / √(7.926 * (1/12 + 1/12))

11.166 / √(7.926 * (1/6)

11.166 / √1.321

11.166 / 1.1493476

T* = 9.7150766

Test statistic = 9.72

5 0
3 years ago
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