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3 years ago

Solve. −43x+16<79 Drag and drop a number or symbol into each box to show the solution.

Mathematics

2 answers:

Debora [2.8K]3 years ago

7 0

The answer is the third one

Musya8 [376]3 years ago

4 0

The answer is x>-11/24. I just took the test:)

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Mean absolute deviation of 75, 89, 145, 85, 80, 92, 104, 90, 100?

Mama L [17]

First, compute the mean: $m=\frac{75+89+145+85+80+92+104+90+100}9=\frac{860}9=95.555$

Next compute the absolute deviations for each datapoint:
|75-95.555|=20.555
|89-95.555|=6.555
|145-95.555|=49.445
|85-95.555|=10.555
|80-95.555|=15.555
|92-95.555|=3.555
|104-95.555|=8.445
|90-95.555|=5.555
|100-95.555|=4.445

Next we'll take the mean of these deviations: $\frac{20.555+6.555+49.445+10.555+15.555+3.555+8.445+5.555+4.445}9=\frac{124.665}9=13.8517$

The mean absolute deviation of your data is 13.8517

7 0

3 years ago

If a Variable has a normal distribution with mean 30 and standard deviation 5 find the probability that the variable will be bet

Alexus [3.1K]

Answer:

P(25 < x < 37) = 0.77

Step-by-step explanation:

Given - If a Variable has a normal distribution with mean 30 and standard deviation 5

To find - find the probability that the variable will be between 25 and 37.

Proof -

Given that,

Mean, μ = 30

S.D, σ = 5

Now,

$z = \frac{x-\mu}{\sigma}$ ~ N(0,1)

Now,

P(25 < x < 37)

= $P(\frac{25 - 30}{5} < z < \frac{37 - 30}{5} )$

= P(1 < z < 1.4)

= P(z < 1.4) - P(z < -1)

= 0.9192 - 0.1587

= 0.7605

≈ 0.77

∴ we get

P(25 < x < 37) = 0.77

4 0

3 years ago

How do you solve <br> 2/3 [(5+3) ^-3]

vodka [1.7K]

$\dfrac{2}{3}[(5+3)^{-3}]=\dfrac{2}{3}(8)^{-3}\\\\\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=\dfrac{2}{3}\cdot\dfrac{1}{8^3}=\dfrac{2}{3\cdot512}=\dfrac{1}{3\cdot256}=\dfrac{1}{768}$

7 0

3 years ago

Pleaseeeeeeeee helppppppppppp

OleMash [197]

Answer is the last one
if people do not pay a sales tax, then they shop in Delaware

3 0

4 years ago

Find the height of a parallelogram if its base is 9 feet and its area is 27 square feet

Zinaida [17]

Answer:

H=3ft

Step-by-step explanation:

Base=9

Area =27

I hope I can help you :)

5 0

3 years ago