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3 years ago

13

Tad has 14 times as many model cars as Johnny. Johnny has 6 model cars. Create a multiplication equation that represents the sit

uation.

1 answer:

zubka84 [21]3 years ago

5 0

6 × 14 = 84 If Tad has 14 times as many cars as Johnny, and Johnny has 6 cars, Tad has 84 cars.

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Does the following set of coordinates represent a function? *

serg [7]

Answer:

no because the x value -2 has two corasponding y values

Step-by-step explanation:

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3 years ago

What is the product?<br> (-2x - 3y ?) (-4x-3)

statuscvo [17]

Answer:

8x²+6x+12xy+9y

Step-by-step explanation:

⇒(-2x - 3y)(-4x - 3)

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3 years ago

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mart [117]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd scores a 55 on the test. Select the answer

Jlenok [28]

Answer:

Todd's Z-score is - 0.27

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Step(i)</em></u>:-

Given data A test is normally distributed with a mean of 70 and a standard deviation of 10.

<em>Mean of the population 'μ' = 70 </em>

<em>Standard deviation of the Population ' σ ' = 10</em>

<em>let 'x' be the random variable in normally distributed</em>

<u><em>Step(ii)</em></u>:-

<em>Given raw score 'x' = 55</em>

Todd's Z-score

$Z = \frac{x-mean}{S.D}$

$Z = \frac{55-70}{55}$

Z = -0.27

<u><em>Final answer</em></u>:-

<em>Todd's Z-score is - 0.27 </em>

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4 years ago

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3 years ago