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Katyanochek1 [597]
3 years ago
7

Evaluate xy-x; use c =4, and y =4​

Mathematics
1 answer:
Ilya [14]3 years ago
4 0

Answer:

12

Step-by-step explanation:

You would substitute

4(4)-4

then simplify

16-4

then subtract

12

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vekshin1
The answer is b because if you divide that’s what you get
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The lower supports are and the area of the two supports is square meters. The upper arch can be decomposed as one semicircle wit
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Answer:

 The lower supports are <u>Congruent Rectangles</u> and the area of the two supports is<u> 24 square meters.</u>

The upper arch can be decomposed as one semicircle with radius<u> 6 </u>meters minus a semicircle with radius 3 meters.

The area of the archway is <u>(13.5 π</u> + 24) square meters.

Step-by-step explanation:

See attachment for the firgure,

In order to determine the area of archway = The area of upper support + area of lower support.

As given, the lower support are two congruent rectangles consists of dimension 3 m × 4 m

Therefore, the area of lower support can be written as,

The area of lower support = 3 × 4 + 3 × 4 = 12 + 12 = 24 square m.

Now, the upper support arch can be decomposed as the two concentric semi circles having radius 3 m and 6 m,

Hence, the area of the upper support = Area of semi circle having radius i.e 6 m - Area of semi circle having radius i.e 3 m

=> π6²/2 - π3²/2= 27π/2= 13.5π square m

Therefore, the area of the archway =  (13.5 π + 24) square meters

4 0
3 years ago
Jasmijn is a pet groomer. She charges n dollars to clip a dog's nails, w dollars to wash the dog and h dollars
lbvjy [14]

Answer:

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Step-by-step explanation:

If the price for each dog is n+w+h,

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And can also be written as 4n+4w+4h using the distributive property.

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