2 years ago

Calculate (8.42 x 109) − (2.35 x 108).

Mathematics

1 answer:

djverab [1.8K]2 years ago

5 0

I calculated with my teacher and somehow we could onu get 667.22

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Are intersecting lines coplanar?

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yes it is always coplanar with two intersecting lines.

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3 years ago

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The Factors shot 5 rolls of film with 36 exposures on each roll. It cost $14.85 to process each roll. How much did it cost for e

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3 years ago

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A town’s January high temperatures average 36 degrees (F) with a standard deviation of 10 degrees while in July the mean high

n200080 [17]

Answer:

55 degrees is more unusual in July as it is away from mean temperature as compared to January.

Step-by-step explanation:

We are given the following information in the question:

January:

Mean, μ = 36 degrees

Standard Deviation, σ = 10 degrees

July:

Mean, μ = 74 degrees

Standard Deviation, σ = 8 degrees

We calculate z scores corresponding to x = 55.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

January:

$z_{score} = \displaystyle\frac{55-36}{10} = 1.9$

July:

$z_{score} = \displaystyle\frac{55-74}{8} = -2.375$

Thus, 55 degrees is more unusual in July as it is away from mean temperature as compared to January.

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3 years ago

Jen solved the equation 100 minus one-half x equals 92 to determine the number of questions, x, she answered incorrectly on a te

GrogVix [38]

Answer:

Correct. She could have also subtracted 100 from both sides, then divided by Negative one-half.

Step-by-step explanation:

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3 years ago

The perimeter of a rectangular garden is 43.8 feet. It’s length is 12.4 feet. What is it’s width?

Stells [14]

Answer:

9.5 m

Step-by-step explanation:

If width is -- x

12.4 + x + 12.4 + x = 43.8

2x = 19

x = (19/2)

x = 9.5 m

Thenks and mark me brainliest :))

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3 years ago