2 years ago

What is -3/4x-1/3+7/8x-1/2 written in simplest form?

Mathematics

1 answer:

Marina86 [1]2 years ago

4 0

Answer:

See below.

Step-by-step explanation:

-3/4x-1/3+7/8x-1/2

Reorder.

-3/4x+7/8x-1/3-1/2

Convert needed fractions.

-3*2=-6

4*2=8

-6/8x

-1*2=-2

3*6=6

-2/6

-1*3=-3

2*3=6

-3/6

-6/8x+7/8x-2/6-3/6

Simplify.

1/8x-5/6

-hope it helps

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3 years ago

At age 9 the average weight (21.3 kg) and the average height (124.5 cm) for both boys and girls are exactly the same. a random s

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Complete Question:

Heights of 9-Year-Olds At age 9 the average weight (21.3 kg) and the average height (124.5 cm) for both boys and girls are exactly the same. A random sample of 9-year-olds yielded these results. Estimate the mean difference in height between boys and girls with 95% confidence. Does your interval support the given claim?

Boys Girls

Sample Size 60 50

Mean Height, cm 123.5 126.2

Population variance 98 120

a.State the hypotheses and identify the claim.

b.Find the critical value(s).

c.Compute the test value.

d.Make the decision.

e.Summarize the results.

Step-by-step explanation:

Find attachments for complete solution