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julsineya [31]
3 years ago
15

Does anyone know the answer to this?

Mathematics
1 answer:
Klio2033 [76]3 years ago
7 0
Try photo math
It help u
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Solve the following system of equations by substitution and select the correct answer below:
Alexxx [7]
Okay so for substitution, chose one of  of the equations to solve for x. Let's solve for the second one. So you have 2x-8y=32.
Start by adding 8y to both sides:
 2x=8y+32.
Then you have to get x by itself so you divide both sides by 2 which will give you:
 x=4y+16.

Now you have:
6x-4y=36
x=4y+16 (this was 2x-8y=32)

Now, plug in the second equation to the first one. You would do so by plugging in the second equation to where you see x. You would have:
6(4y+16)-4y=36

Now, multiply the 6 with the 4y and 16. you would then have:
24y+96-4y=36.

Now, combine your like terms to get:
20y+96=36
Then subtract 96 to both sides:
20y=-60
Then divide both sides so that you have y all by itself:
y=-30!

You now have the answer for y, so now plug what you got for y into the other equation: x+4y=16: 
x+4(-30)=60
Solve for x:
x-120=60 
add 120 to both sides:
x=180!
so Your answer is Y=-30 and X=180

I hope this helped:)


5 0
3 years ago
Read 2 more answers
5: Answer the questions completely: Jordan has a new puppy. She wants to put a fence around part of her yard to cover an area of
irga5000 [103]

Given that Jordan has a new puppy and she wants to put a fence around part of her yard to cover an area of 200 square feet.

Now we have to find what dimensions (length x width) should she make the rectangular area. None of the length or width are given so there can be lots of answers.

Since area is rectangular and we know that rectangle has different value of length and width so we just need to find two factors of given area 200 square feet.

For example 20 times 10 is 200.


So the dimension of the rectangular area will be:

Length = 20 feet and width = 10 feet


Now perimeter of the rectangle is given by formula:

Perimeter = 2(length+width) = 2(20+10)=2(30)=60


Hence perimeter is 60 feet.


8 0
3 years ago
20,000 has been placed in a bank account that earns 5.7% interest. How much money will be in the account if it is compounded sem
tamaranim1 [39]

Answer:

$25 821.69

Step-by-step explanation:

The formula for the future value (FV) of an investment is

FV =PV(1 + r/n)^nt

FV = 20 000(1 + 0.087/2)^(2×3)

FV = 20 000(1 + 0.0435)⁶

FV = 20 000(1.0435)⁶

FV = 20 000 × 1.291 0847

FV = $25 821.69

5 0
3 years ago
I just need 4,5 and 6 and WILL GIVE BRAINLEST if given correct answers, i need it in percentages
stiv31 [10]
50 percent good luck
7 0
2 years ago
What is the slope of the line that passes through the following points:<br> (4,-3), (-5,10)
Drupady [299]
The slope is -13/9
hope this helped
7 0
3 years ago
Read 2 more answers
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