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docker41 [41]
3 years ago
13

3x -y= -1 + -3x + 3y= 27

Mathematics
1 answer:
schepotkina [342]3 years ago
8 0

Answer:

Answer:

y = 13

Explanation:

You want to add the like variables:

  (3x - y) = -1

+(-3x +3y) = 27

The x's cancel out:

2y = 26

Divide by 2 on both sides to get the y by itself and solve for y

y = 13

Step-by-step explanation:

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Tapiwa takes 5% more leaves than adam raked. together they raked 697 liters of leaves
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Define their percentage:
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Adam = 100%
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Find their total percentage:
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100 + 105 = 205

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Find 1%
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205% = 697 liters
1% = 3.4 liters

----------------------------------
Find 100% (Adam):
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100% = 3.4 x 100
100% = 340 liters

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Find 105% (Tapiwa):
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105% = 3.4 x 105 
105% = 357 liters

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Answer: Tapiwa =  357 liters and Adam = 340 liters.
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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Each day a cashier counts the number of pennies left in the "take a penny, leave a penny" dish. Estimate the probability that th
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Answer:

B.4/11

Step-by-step explanation:

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7 0
2 years ago
Suppose that 21 inches of wire costs 63 cents.
defon

Answer:

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Step-by-step explanation:

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Katie has a job planting shrubs beside the highway. She needs to plant 500 shrubs in a week. So far, She has planted this many:
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ANSWER: Katie Must Plant 133 Shrubs On Friday.

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3 years ago
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