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satela [25.4K]
3 years ago
5

whitney is training to ride her bicycle in a big race. The table below shows hiw many miles she rides each day of one week​

Mathematics
1 answer:
hoa [83]3 years ago
7 0

Answer: C (24.5 miles more)

Step-by-step explanation:

on Friday she rode 42.4 miles

on Tuesday she rode 17.9 miles

you just subtract Tuesday’s miles from Friday’s miles

42.4 - 17.9 = 24.5

so, C

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Nesterboy [21]

Answer:

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Step-by-step explanation:

Let's solve your inequality step-by-step.

−5(w+4)+8<−42

Step 1: Simplify both sides of the inequality.

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Step 2: Add 12 to both sides.

−5w−12+12<−42+12

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<u>Answer: </u>

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Romashka-Z-Leto [24]

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Step-by-step explanation:

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3 years ago
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Statements
vazorg [7]

Answer:

See Explanation

Step-by-step explanation:

The question has unclear information.

So, I'll answer from scratch

Given

ABC = Right angled triangle

DB bisects ABC

Required

Prove that CBD = 45

From the question, we have that:

ABC is right angled at B

So, when DB bisects ABC, it means that DB divides ABC into two equal angles.

i.e.

CBD = ABD

and

CBD + ABD = 90

Substitute CBD for ABD in CBD + ABD = 90

CBD + CBD = 90

2CBD = 90

Divide both sides by 2

\frac{2CBD}{2} = \frac{90}{2}

CBD = \frac{90}{2}

CBD = 45

Hence, it is proved that CBD = 45

<em>Follow the above explanation and use it to answer your question properly</em>

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Step-by-step explanation:

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