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dmitriy555 [2]
3 years ago
5

The width of a rectangle is 7 units less than the length. If the area is 44 square units, then find the dimensions of the rectan

gle.
Mathematics
1 answer:
andrew11 [14]3 years ago
4 0
Umm there are only 2 ways to make 44. it is either 2 x 22, 4 x 11, or 41 x 1. I think the dimensions would be 4 x 11 tho because  if you do 11 - 4 you get 7 so, the width is 4 and the length is 11.
Hope This Helps!
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Pure copper was mixed with a 10% copper alloy to produce an alloy thát was 25% copper. How much of the pure copper and how much
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Answer:

6kg pure copper and 30 kg 10% copper was mixed to give 36kg of 25% alloy

Step-by-step explanation:

Here, we want to produce 36 kg of 25% alloy

Let the Pure copper be x kg while 10% alloy be y kg

Pure copper is simply 100% copper

Thus;

x + y = 36 •••••(i)

Then;

100% of x + 10% of y = 25% of 36

= x + 0.1y = 9 •••••• ii)

From i x = 36-y

from ii, x = 9-0.1y

Equate both x

36-y = 9-0.1y

36-9 = 0.1y + y

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Plug in your values.

(x + 2)^{2} + (y + 5)^{2} = 1^{2}

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3 years ago
Anyone know the answer???
pav-90 [236]

Answer:

No, those sides do not make a right triangle.

i know that no links are allowed but this helped me solve those types

https://www.omnicalculator.com/math/right-triangle-side-angle

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Answer:B: 133.75$

Step-by-step explanation:

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