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beks73 [17]
3 years ago
13

How to solve for y and simplify

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

y = \frac{2}{5}

Step-by-step explanation:

Given

- 3y = - \frac{6}{5}

Multiply both sides by 5 to eliminate the fraction

- 15y = - 6 ( divide both sides by - 15 )

y = \frac{-6}{-15} = \frac{6}{15} = \frac{2}{5}

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A square and a rectangle have the same perimeter. Find the side lengths of each figure.
aliina [53]
X + 1 + X + 1 + X +1+ X +1 = 2X -3+ 2X -3+ X -1+ X -1
4x + 4 = 4x-6+2x-2
4x+4=6x-8
12=2x
6=x

Side lengths:
6-1=5
6+1=7
2(6)-3=9

Hope that helps! Stay safe!
4 0
3 years ago
Read 2 more answers
How do you solve the system 3x-y z=5, x 3y 3z=-6, and x 4y-2x=12?
dlinn [17]
3x - y + z = 5 . . . (1)
x + 3y + 3z = -6 . . . (2)
x + 4y - 2z = 12 . . . (3)

From (2), x = -6 - 3y - 3z . . . (4)
Substituting for x in (1) and (3) gives
3(-6 - 3y - 3z) - y + z = 5 => -18 - 9y - 9z - y + z = 5 => -10y - 8z = 23 . .  (5)
-6 - 3y - 3z + 4y - 2z = 12 => y - 5z = 18 . . . (6)

(6) x 10 => 10y - 50z = 180 . . . (7)
(5) + (7) => -58z = 203
z = 203/-58 = -3.5

From (6), y - 5(-3.5) = 18 => y = 18 - 17.5 = 0.5
From (4), x = -6 - 3(0.5) - 3(-3.5) = -6 - 1.5 + 10.5 = 3

x = 3, y = 0.5, z = -3.5
8 0
3 years ago
Two different 2 digit numbers round to 70 to the nearest 10.The sum of the two numbers is 136.What could the two numbers be?
belka [17]

Answer:

Step-by-step explanation:

If they can be rounded to 70 to the nearest 10s. Then they are from 65 to 74.

Their sum is 136.

If we use 136 divided by 2 we get 68.

Since they're distinct, so one can be 67 and one can be 69

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2 years ago
you are swimming each a 25-yard lap pool 3 seconds faster than your personal best what integer represents your change in time of
True [87]
24 seconds faster than your best
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3 years ago
The probability that Liu Yang makes a three-point shot in basketball is 10%. For practice, Liu Yang will regularly
Delicious77 [7]

Answer:

0.3 is the answer

Step-by-step explanation:

3 0
3 years ago
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