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FinnZ [79.3K]
2 years ago
7

Beverly drew the line AB shown below. She then constructed line DC which is the perpendicular bisector of AB.

Mathematics
1 answer:
earnstyle [38]2 years ago
5 0

Answer:

D

Line segments are congruent due to the side-angle-side congruence postulate.

Step-by-step explanation:

DC is the perpendicular bisector of line AB, this mean that DC divides AB at 90 degrees into two equal parts at point E. Hence:

AE = BE

Also DE ≅ DE (reflexive property of congruence)

Also ∠AED = ∠BED = 90° (perpendicular bisector)

We can therefore say that triangle AED and triangle BED are congruent according to the side-angle-side congruence theorem. Therefore line AD = line BD

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In a local shelter, 300 people donated blood during the blood donation week. The samples collected of the different blood types
Anna007 [38]

Answer:

D)24 people

Step-by-step explanation:

Total number of people, x=300

Number of people donated blood with type A, y

=\frac{28}{100}\times x\\=\frac{28}{100} \times 300\\=84

Number of people donated blood with type B, z

=\frac{20}{100}\times x\\=\frac{20}{100} \times 300\\=60

⇒Number of people with Type A blood donated more than those with Type B blood= y-z=84-60= 24

8 0
3 years ago
Read 2 more answers
50% of the surface area of a piece of bread is crust what is the height
andrezito [222]
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The surface area was not provided so this is the closest I can go without the provided surface area. I hope this helps you :)
8 0
3 years ago
The library has DVDs on crime, adventure and science fiction.
kozerog [31]

Answer:

The library has 1,056 crime DVDs.

Step-by-step explanatiion:

Crime : Adventure : Science

11x       :        6x       :   10x

6x+384=10x

384=4x

x=96

The number of crime DVDs is 11x.

We found that x=96.

So, the number of crime DVDs the library has is equal to 11*96.

11*96=1,056.

Hope this helps!

6 0
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Answer:

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Step-by-step explanation:

 

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A golfers score after playing on friday was +2
jek_recluse [69]

The end of his round on Saturday was a -5, and the end of his round on Sunday was a 0.

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