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2 years ago

15

What is the solution to the system of equations -2x + 4y = 1 - 4x + 3y = 12

1 answer:

Aleks [24]2 years ago

7 0

Answer:

sorry kid

Step-by-step explanation:

I just want points

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CAN SOMEONE HELP ME OUT, PLEASE AND THANK YOU

Elza [17]

Answer:

120 magazines

Step-by-step explanation:

to get how many 1/7 is you need to divide 120 by 7

210/7=30

now you need to know what 4 sevenths is

30x4=120

so 4/7 of the magazines is 120

(please make sure to rate and thank)

5 0

2 years ago

5 times something + 10=8

vredina [299]

Let sth be x
5x+10=8
5x=-2
x=-2/5
x=-0.4

7 0

3 years ago

Write the expression as a square of a binomial: <br><br> 9/25a^6b^2-a^4b^4+25/36a^2b^6

sergiy2304 [10]

Answer:

a^2b^2(18a^2-25b^2)^2 over 900

Step-by-step explanation:

Over 900 means that is a fraction

6 0

3 years ago

Read 2 more answers

PLEASE SOLVE FOR Y: <img src="https://tex.z-dn.net/?f=7y%2B4%3D3-2y" id="TexFormula1" title="7y+4=3-2y" alt="7y+4=3-2y" align="a

ehidna [41]

Answer:

$y = \frac{-1}{9}$

Step-by-step explanation:

$7y + 4 = 3 - 2y$

add $2y$ to both sides

$7y + 4 + 2y = 3 -2y + 2y \\9y + 4 = 3$

add $-4$ to both sides

$9y + 4 -4 = 3 - 4 \\9y = -1$

divide both sides by $9$

$\frac{9y}{9} = \frac{-1}{9} \\$

$y = \frac{-1}{9}$

6 0

3 years ago

Read 2 more answers

You want to put $4,000 in a simple interest account. It has a 2.5% annual interest rate. How long will it take you to earn $500

SVEN [57.7K]

Answer:

5 years

Step-by-step explanation:

use the I = Prt simple interest formula

8 0

2 years ago