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oksian1 [2.3K]
2 years ago
12

[[Please explain]] The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram obje

ct is attached, the spring stretches 9 centimeters. Which equation relates the mass of the object, m, and the length of the spring, s?
O s=3/10m
O s=10/3m
O s=3/10s
O s=1/30s
Mathematics
2 answers:
marishachu [46]2 years ago
4 0

Answer:

rfrferer

Step-by-step explanation:

frfrfreerrfrfrf

velikii [3]2 years ago
4 0

Answer:

pointssssssssssssssssss

Step-by-step explanation:

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The answer is 19 :)
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What is the area of this figure
LekaFEV [45]

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I think it 168 square units

Step-by-step explanation:

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3 years ago
I NEED HELP REALLY BAD!
katen-ka-za [31]
<h2>Answer:</h2>

<u>The area is</u><u> 168 yd²</u>

<h2>Step-by-step explanation:</h2>

The area of Trapezoid is given by

A= (a+b)/2 * h

Putting the values

A = (5+23)/2 * 12

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3 years ago
Read 2 more answers
Sociology graduates, upon entering the workforce are normally distributed and earn a mean salary of $30,000 with a standard devi
GrogVix [38]

Answer:

0.62% probability that randomly chosen salary exceeds $40,000

Step-by-step explanation:

Problems of normally distributed distributions are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question:

\mu = 30000, \sigma = 4000

What is the probability that randomly chosen salary exceeds $40,000

This is 1 subtracted by the pvalue of Z when X = 40000. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{40000 - 30000}{4000}

Z = 2.5

Z = 2.5 has a pvalue of 0.9938

1 - 0.9938 = 0.0062

0.62% probability that randomly chosen salary exceeds $40,000

7 0
2 years ago
Two college friends rent an apartment. They must pay the landlord two months’ rent and $500 security deposit when they sign the
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Answer:

1150$

Step-by-step explanation:

2800$-500$=2300$÷2=1150$

hope this helped ; )

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3 years ago
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