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Evgen [1.6K]
3 years ago
14

Solving equtions in a row

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
4 0
1st: x = -5y - 5z - 2
2nd: x = 5y/4 - z + 19/4
3rd: x = -5y + z - 20
Not sure if this was correct, but anyways hope this helps! :)
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Y varies directly as x. If x=7 then y = 56. Find ybwhen x=3
marshall27 [118]

When something varies directly as something else, their ratio of change always stays the same.

56 / 7 = 8

Therefore,

8 * 3 = 24

If x = 3 then y = 24

6 0
3 years ago
The price of a technology stock was $9.71 yesterday today the price rose to $9.84 find the percentage increase round your answer
VARVARA [1.3K]

Answer:

1.34%

Step-by-step explanation:

In order to find the percentage increase between these two prices, we must first find the difference in price. We calculate this by subtracting the final price by the initial price like so...

$9.84 - 9.71 = 0.13

Now we divide the difference by the initial price to find what percentage of the initial price this difference is, since this percentage difference was added to the initial price to get the new and final price point.

0.13 / 9.71 = 0.013388 ... multiply by 100 to get percent value

0.013388 * 100 = 1.3388% or 1.34% rounded.

4 0
3 years ago
The area of rectangle ABCS
dangina [55]
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8 0
3 years ago
Susan makes 5 fruit cups for the picnic. In each cup, she has 5 strawberries and 3 kiwi. Joanna uses the same number of total fr
rosijanka [135]
The answer to this question is that Joanna used 2 kiwis in each fruit cup. We can work this out in the following way:
5 x 5 = 25
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4 0
3 years ago
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What’s the square root of 308
goblinko [34]

Answer:

17.54

Step-by-step explanation:

8 0
3 years ago
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