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3 years ago

So can someone please solve this?! ?-?

Mathematics

1 answer:

Makovka662 [10]3 years ago

3 0

1/8x8=1 1/2x4=2 1/4x4=1 2+1+1=4 4 divided by 2 2 lbs or if it is like mode it would be 1/8 lbs. Hopefully this works for you!

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Wittaler [7]

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The figure shows the front side of a metal desk in the shape of a trapezoid.

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Answer:

Area of trapezoid is $16ft^2$ .

Therefore, option 2nd is correct.

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We have been given both the sides a=3 and b=5.

And height that is h=4

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4 years ago

A laptop producing company also produces laptop batteries, and claims that the batteries

gregori [183]

Answer:

There is enough evidence to support the claim that the batteries power the laptops for significantly less than 4 hours. (P-value = 0).

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Step-by-step explanation:

The question is incomplete: To test this claim a sample or population standard deviation is needed.

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The significance level is 0.05.

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$t=\dfrac{M-\mu}{s/\sqrt{n}}=\dfrac{3.5-4}{0.0894}=\dfrac{-0.5}{0.0894}=-5.5902$

The degrees of freedom for this sample size are:

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This test is a left-tailed test, with 499 degrees of freedom and t=-5.5902, so the P-value for this test is calculated as (using a t-table):

$P-value=P(t$

As the P-value (0) is smaller than the significance level (0.05), the effect is significant.

The null hypothesis is rejected.

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Step-by-step explanation:

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