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Kay [80]
3 years ago
14

What is the ratio of a:b, knowing that a-b/a+b = 3/5.

Mathematics
1 answer:
ser-zykov [4K]3 years ago
5 0

Answer:

4:1

Step-by-step explanation:

\frac{a-b}{a+b} = \frac{3}{5}

4-1 = 3

4+1 = 5

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If triangle XYZ’s points are X (-2, 1), Y (-4,-3), and Z (0,-2) what are the new coordinates of X’, Y’, and Z’ if the triangle i
8090 [49]

Answer:

The coordinates of image are X'(-3,4), Y'(-5,0) and Z'(-1,1).

Step-by-step explanation:

The vertices of triangle XYZ are X(-2,1), Y(-4,-3) and Z(0,-2).

It is given that the triangle translated by rule

(x,y)\rightarrow (x-1,y+3)

The coordinates of image of XYZ are

X(-2,1)\rightarrow X'(-2-1,1+3)

X(-2,1)\rightarrow X'(-3,4)

Y(-4,-3)\rightarrow Y'(-4-1,-3+3)

Y(-4,-3)\rightarrow Y'(-5,0)

Z(0,-2)\rightarrow Z'(0-1,-2+3)

Z(0,-2)\rightarrow Z'(-1,1)

Therefore coordinates of image are X'(-3,4), Y'(-5,0) and Z'(-1,1).

5 0
3 years ago
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Xelga [282]

Answer:

-27

Step-by-step explanation:

order of operations 2÷2 = 1 +53 =54

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54÷-2 = -27

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Step-by-step explanation:

Both made 60% of their shots

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In ∆ABC, ∠A is a right angle and m∠B = 45°. Find BC.
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Step-by-step explanation:

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