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andrew11 [14]
3 years ago
12

Girlcome 5324611502 p:here​

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
3 0

Answer:

what

Step-by-step explanation:

Thepotemich [5.8K]3 years ago
3 0

Answer:

im <em>confused</em>

Step-by-step explanation:

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Systems Of Elimination(PLZ HELP BEST ANSWER=Brainliest)<br><br><br> x+2y=2<br> -x+3y=13
joja [24]
<span>x + 2y = 2
-x + 3y = 13

As the x-terms of these equations are already opposites, you can begin to solve by elimination by adding the equations together.

</span>     x + 2y = 2
    -x + 3y = 13
+___________
     0 + 5y = 15
             y = 3

Now that you have y, substitute its value, 3, into either equation to find x.

x + 2y = 2
x + 2(3) = 2
x + 6 = 2
x = -4

Lastly, check all work by substituting both x- and y-values into both original equations.

x + 2y = 2
-4 + 2(3) = 2
-4 + 6 = 2
2 = 2

-x + 3y = 13
-(-4) + 3(3) = 13
4 + 3(3) = 13
4 + 9 = 13
13 = 13

Answer:
x = -4
y = 3

(-4, 3)
6 0
3 years ago
Read 2 more answers
Write an equation of the line containing the given point and perpendicular to the given line:
Maru [420]

Answer:

Step-by-step explanation:

The equation of a straight line can be represented in the slope intercept form as

y = mx + c

Where

m = slope = (change in the value of y in the y axis) / (change in the value of x in the x axis)

The equation of the given line is

9x+7y=4

7y = - 9x + 4

y = -9x/7 + 4/7

Comparing with the slope intercept form, slope = - 9/7

If the line passing through the given point is perpendicular to the given line, it means its slope is the negative reciprocal of the slope of the given line.

Therefore, the slope of the line passing through (7,-4) is 7/9

To determine the intercept, we would substitute m = 7/9, x = 7 and y = -4 into y = mx + c. It becomes

- 4 = 7/9×7 + c = 49/9 + c

c = - 4 - 49/9 = -85/9

The equation becomes

y = 7x/9 - 85/9

6 0
3 years ago
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Are $64,480 per year and $1,240 per week both unit rates?
CaHeK987 [17]
Yes, they are all per something so yes
7 0
3 years ago
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In a college library there are 4 times as many nonfiction books as fiction books. How many times the number of nonfiction books
balu736 [363]
Four? Isn't it stated in the question? Unless I am assuming wrong. 
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3 years ago
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Please help me and fill in the blanks
Tju [1.3M]
DE & BC
I might be wrong
4 0
4 years ago
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