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2 years ago

Using the segment addition postulate, which is true?

Mathematics

2 answers:

Ivenika [448]2 years ago

8 0

Answer:

BC+CD=BD

Step-by-step explanation:

BD is divided up into 2 segements, BC, and CD so therefore, BC and CD equals BD

I hope this helps and please don't hesitate to ask if there is anything still unclear!

Alex17521 [72]2 years ago

8 0

Answer:

BD=BC+CD

Step-by-step explanation:

We are given that

A =-6

B=-1

C=2

D=8

By using segment addition postulates

AD=AB+BC+CD

AD=AB+BD

BD=BC+CD

AC=AB+BC

Hence, option D is true.

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Answer:

386

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3 years ago

Find an equation of the line with the given slope and y-intercept.

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Answer:

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3 years ago

A school had 400 girls last year and the number of boys was 95 more than that of the girls. This year the number of girls had in

STatiana [176]

Answer: The fraction by what the number of boys had been reduced=1/11

Step-by-step explanation:

Step 1: To calculate the number of boys last year.

According to the question,

The number of boys last year= 400+95

The number of boys last year=495

Step 2: To calculate the number of girls this year.

According to the question,

The number of girls this year= 400 + 400*1/5

The number of girls this year= 480

Step 3: To calculate the number of boys this year.

According to the question,

The number of boys this year= 480 – 30

The number of boys this year=450

Step 4: To calculate the fraction by what the number of boys had been reduced.

The number of boys reduced= the number of boys last year - the number of boys this year

The number of boys reduced= 495 - 450 = 45

The fraction by what the number of boys had been reduced

= The number of boys reduced/the number of boys last year

Therefore,

The fraction by what the number of boys had been reduced= 45/495= 1/11

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