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aleksklad [387]
3 years ago
13

Use the change of base rule to find the logarithm to four decimal places

Mathematics
1 answer:
Bond [772]3 years ago
6 0

Answer:

1.7059

Step-by-step explanation:

\log_{9}{(42.45)}=\dfrac{\log{(42.45)}}{\log{(9)}}\approx\dfrac{1.62788}{0.954243}\\\\\approx 1.7059

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The starting temperature was 24°.
Goryan [66]

Answer:

-10 degrees

Step-by-step explanation:

24+8=32

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Find the perimeter of the figure <br> 13.5 ft<br> 9 ft<br> 12.5 ft
saveliy_v [14]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The width of a slot of a duralumin forging is (in inches) normally distributed with μ= 0.9000 and σ = 0.0030. The specification
Lubov Fominskaja [6]

Answer:

a) 9.56%

b) 0.0019

Step-by-step explanation:

a) Find the z-scores.

z = (x − μ) / σ

z₁ = (-0.0050) / 0.0030

z₁ = -1.67

z₂ = (0.0050) / 0.0030

z₂ = 1.67

Find the probability using a chart or calculator.

P(Z < -1.67 or Z > 1.67) = 2 P(Z < -1.67)

P(Z < -1.67 or Z > 1.67) = 2 (0.0478)

P(Z < -1.67 or Z > 1.67) = 0.0956

b) Use a chart or calculator to find the z-score.

P(Z < -z or Z > z) = 0.01

P(Z < -z) = 0.005

z = 2.576

Find the standard deviation.

z = (x − μ) / σ

2.576 = (0.0050) / σ

σ = 0.0019

4 0
2 years ago
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