3 years ago

In the diagram below segment DEF is shown (since all three letters are shown, they are collinear). If

Mathematics

1 answer:

monitta3 years ago

3 0

Answer:

x = 4

Step-by-step explanation:

Given

DE = 3x + 2, EF = x + 5, DF = 23

As per segment addition postulate

DE + EF = DF

Substituting values:

3x + 2 + x + 5 = 23
4x + 7 = 23
4x = 16
x = 4

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-2 1/4 divided by (-1 1/2) =

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Answer:

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Step-by-step explanation:

First:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

−9/4 ÷ −11/2

Applying the fractions formula for division,

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=−18/−44

Simplifying -18/-44, the answer is

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kaheart [24]

Answer:

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Harman [31]

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3 years ago

What is the value of n?

qaws [65]

Answer:

your answer will be A.85°

Step-by-step explanation:

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3 years ago