Rewrite the expression 8×4×−2×3+8÷2 with parentheses to make this statement true: 8×4×−2×3+8÷2 = 25.

Mathematics

1 answer:

Margarita [4]3 years ago

4 0

Answer:

Which statements are true about the figure? Select two options.

Line JM intersects line GK at point N.

Horizontal line G K intersects vertical line J M at point N, forming a right angle. A line extends from point N to L, down and to the right.

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A group of 121 Internet users 50-65 years of age were randomly chosen and asked to report the weekly number of hours they spend

Luda [366]

Answer: We support the null hypothesis.

Step-by-step explanation:

Given : The purpose of the study was to determine whether the mean weekly number of hours that Internet users in that age group spend online differs from the mean for Internet users in general which is 12.50 hours.

The set of hypothesis for the given claim :-

$H_0:\mu=12.50\\\\ H_a:\mu\neq12.50$

A 95% confidence interval for the mean weekly number of hours that Internet users in that age group spend online was calculated to be (11.439 , 12.577).

Since 12.50 contained in the 95% confidence interval (11.439 , 12.577).

Therefore, we support the null hypothesis.

So the final conclusion will be, we have evidence to support the claim that Internet users in that age group spend online differs from the mean for Internet users in general which is 12.50 hours.

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4 years ago

Jefferson Elementary School is sending 8 of its students to a drumming contest in Orlando, Florida. The cost will be $588 per pe

Liula [17]

Answer:

4704

Step-by-step explanation:

8*588=4704

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3 years ago

Classify the triangle shown by its sides and angles. Check all that apply.

Elan Coil [88]