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nekit [7.7K]
3 years ago
7

Correct first step to solving 9 (x + 2)=90

Mathematics
2 answers:
Elina [12.6K]3 years ago
8 0

Answer:

Distribute

Step-by-step explanation:

Distribute . 9x+18=90

Subtract 9x=72

Divide x=8

kap26 [50]3 years ago
6 0
You need to distribute
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Answer:

vertical angles

Step-by-step explanation:

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The diameters of ball bearings are distributed normally. The mean diameter is 107 millimeters and the population standard deviat
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Answer:

0.6710

Step-by-step explanation:

The diameters of ball bearings are distributed normally. The mean diameter is 107 millimeters and the population standard deviation is 5 millimeters.

Find the probability that the diameter of a selected bearing is between 104 and 115 millimeters. Round your answer to four decimal places.

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score

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σ is the population standard deviation = 5 mm

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For x = 115 mm

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The probability that the diameter of a selected bearing is between 104 and 115 millimeters is calculated as:

P(x = 115) - P(x = 104)

0.9452 - 0.27425

= 0.67095

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8 0
3 years ago
A cookie recipe calls or 3/4?cups of chocolate chips. You only want to make 2/3 as many cookies as the recipe makes. How many cu
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If Ryuk eats 7 apples for every 50 names Light writes in the death note, how many apples will he have eaten after Light writes 5
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Step-by-step explanation:

We can use a ratio to solve

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Answer:

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Terminating decimals are those whose decimals end.

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3 years ago
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