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vova2212 [387]
3 years ago
9

Find the value of x and y. y=2x and 1.85x+3.7y=12.95

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

x=1.4 y=2.8

Step-by-step explanation:

Lets substitute y with 2x. We get: 1.85x+7.4x=12.95.

Simplifying by combining x: 9.25x=12.95

Then you just divide 12.95 by 9.25: x=1.4

Now for y. We know why is 2x so we just have to multiply x by 2: y=2x, y=2.8.

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P,W,R & S form the vertices of a quadrilateral. PQR = 74 degrees
Zielflug [23.3K]

Answer:

∠ SPQ = 75°

Step-by-step explanation:

The sum of the 4 angles in a quadrilateral = 360°

Subtract the sum of the 3 angles from 360 for ∠ SPQ

∠ SPQ = 360° - (90 + 74 + 121)° = 360° - 285° = 75°

6 0
3 years ago
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Michael earned $159 mowing lawns all summer. If he mowed 39 lawns, about how much did he make per lawn?
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3 years ago
The pyramid shown has a square base that is 24 centimeters on each side. The slant height is 16 centimeters. What is the lateral
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6 0
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First you need to divide both sides by -6
Then move the 1 subtracting
Then divide both sides by -5

7 0
3 years ago
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