3 years ago

Please answer this question with explanation!! Thanks

1 answer:

5 0

The answer would be 12 3/4 because when you continue use the pattern that is used you end up with your answer! Hope this helps

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Which expression is equivalent to 3(7x – 5)?

Mamont248 [21]

Answer:

21x - 15

Step-by-step explanation:

if this answer helped u and u liked it, pls mark as brainliest! thx!

3 0

3 years ago

Rewrite, using the distributive property. -3(20 + -29d) = [?] + [ ]d

tiny-mole [99]

Answer:

-60+87d

87d-60

Step-by-step explanation:

-3(20+-29d)=

-60+87d

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2 years ago

Aarón rides his bike away from home at a constant speed he stops at the park for a while before riding back home at a constant s

Nikolay [14]

Answer:

Step-by-step explanation: This is the answer

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2 years ago

Determine which relation is a function.

klemol [59]

A is the correct choice.

This is based on the vertical line test. If you were to draw an imaginary vertical line on the graph, it would only intersect the graph at one point, which proves that all x values are different (a function).

7 0

3 years ago

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The life of a manufacturer's compact fluorescent light bulbs is normal, with mean 12,000 hours and standard deviation 2,000 hour

ikadub [295]

Mean = 12000
Standard Deviation = 2000

We have to find how many standard deviations is 14,500 away from the mean.
This can be achieved by calculating the z-score

Z-score tells us how many standard deviations above or below is a sample value from the mean. A positive z value shows, sample value is above the mean.

z score can be calculated as = (Sample Value - Mean )/Standard Deviation)
So,
Z-score = $\frac{14500-12000}{2000} =1.25$

This means, 14,500 is 1.25 standard deviations above the mean value 12,000.

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3 years ago

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