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Anna11 [10]
3 years ago
14

Find the solution of this system of equations. separate the x- and y- values with a comma.

Mathematics
2 answers:
jonny [76]3 years ago
4 0
X - 2y = -29
x - y = -11

first solve for x in the first equation;
x = 2y - 29

now substitute it into the second equation;
x - y = -11

2y - 29 - y = -11
y - 29 = -11

solve for y;
y - 29 = -11
y = -11 + 29
y = 18

solve for x by substituting what y equals;
x = 2y - 29
x = 2(18) - 29
x = 7

so your answer is, (7, 18)

hope this helped!! blessings x
12345 [234]3 years ago
4 0

x-2y = -29

x-y = -11

we can solve for x in the second equation by adding y to both sides

x= -11 + y

now we can plug this in for the x value in the first equation to solve for y

-11 + y -2y = -29

-11-y=-29

-y= -18

y =18

now that we know what y is equal to, we can plug it in to either equation to solve for x

x-18= -11

x = 7

7 , 18

hope this helped

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If you have one box of eggs and multiply you amount of boxes by 3, how much eggs will you have?
swat32

Answer:

You''ll have 3 boxes of eggs.

Step-by-step explanation:

1 x 3 = 3

It depends on how many eggs are in the box. If there were a dozen eggs then that would be thirty six.

I hope this helps!

4 0
3 years ago
What is the slope of the line with the equation 8x + 3y = 9?
Sidana [21]
8x+3y=9
-8x. -8x
3y = -8x+9
3y/3 = (-8x+9)/3
y = -8/3x +3
so, slope is -8/3
6 0
3 years ago
How do i prove 2sec^2x-2sec^2xsin^2-sin^2x-cos^2x=1
kramer
2\sec^2x-2\sec^2x\sin^2x-\sin^2x-\cos^2x=2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)

Since \sin^2x+\cos^2x=1, you have

2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)=2\sec^2x\cos^2x-1

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6 0
3 years ago
Which number is greater tha 9/4​
Naddika [18.5K]

Answer:

9

Step-by-step explanation:

the biggest number gets eaten by the alligator

5 0
3 years ago
A rectangle has an area of 0.24 of a square. What are some possibility for the length and width of the rectangle? Tell why
VLD [36.1K]

Answer:

<h3>The possibilities of length and width of the rectangle are </h3><h3>x=1, y=0.24;</h3><h3>x=0.5, y=0.48;</h3><h3>x=0.25, y=0.96;</h3><h3>x=2, y=0.12</h3>

Step-by-step explanation:

Given that the area is 0.24 square meter

The area of a rectangle is given by

Area=length\times width square units

Let x be the length and y be the width.

Since the area is 0.24 square meter, we have the equation:

Area=x\times y = 0.24, with x and y measures in meters

If we want to know some possibilities of x and y, we can assume a value for one of them, and then calculate the other one using the equation.

Now choosing some values for "x", we have:

Put x = 1

1\times y = 0.24

∴ y = 0.24

Now put x = 0.5 we get

0.5\times y = 0.24

∴ y = 0.48

Put  x = 0.25

0.25\times y = 0.24

∴ y = 0.96

Put x = 2

2\times y = 0.24

∴ y = 0.12

8 0
3 years ago
Read 2 more answers
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