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Zepler [3.9K]
3 years ago
10

How much of an alloy that is 10 percent copper should be mixed with 500 ounces of an alloy that is 90?

Mathematics
1 answer:
ladessa [460]3 years ago
6 0
So 500ounces is 90% of the alloy.
So 500:90
Now divide both sides by 9.
500/9:10
So thats
55.56:10 or
55 5/9:10
Or keep it as
500/9:10
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Please help ill mark brainliest!!!
Bingel [31]

Triangle QST  is similar to triangle PQR

We are given that measure of angle SRP is 90°

Q is the point of the hypotenuse SP

Segment QR is perpendicular to PS and T is a point outside the triangle on the left of s

We need to find which triangle is similar to triangle PQR

So,

Using Angle - Angle - Angle Criterion We can say that

m∠PQR = m∠SQR  (AAA similarity)

m∠SQR=m∠SQT (AAA similarity)

Where m∠Q =90°  in ΔQST and PQR

Therefore ΔQST is similar to ΔPQR

Learn more about similarity of triangles here

brainly.com/question/24184322

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Answer:

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4 0
3 years ago
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A submarine dives below the surface, heading downward in nine moves. If each move downward was 180
Maslowich
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4 0
3 years ago
Two number have a sum of 71 and a difference of 37
larisa86 [58]
The right answer for the question that is being asked and shown above is that:

Two numbers have a sum of 71 and a difference of 37
x + y = 71
x - y = 37

So in order to get the two numbers, here it is:
x + y = 71
x - y = 37
------------
2x = 108
x = 54
y = 71 - 54
y = 17

<span>So the two numbers are 54 and 17</span>
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