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Elis [28]
3 years ago
5

8x+10y=12 solve for Y show your work

Mathematics
2 answers:
Alex Ar [27]3 years ago
6 0
To solve for "x"
8x+10y=12
-10y       -10y  Subtract 10y from each side 10y-10y gives you 0; then you have 12-10y
8x=12-10y
8x/8x = 12/8 -10y/8 Then you divide all the numbers by "x"
x=1.5 - 1.5y

To find "y"
8x+10y=12
-8x        -8x You want to first subtract x from both sides.
10y=12-8x
10y/10=12/10 -8/10 Then divide all numbers by 10.
y=1.2 -0.8y


son4ous [18]3 years ago
4 0

Isolate y for 8x+10y=12:  

  y=<span><span>2<span>(<span>−2x+3</span>)/</span></span>5 </span>

I hope this helped <3

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Solve by elimination.<br> 5x-7y=19<br> 7x-7y=-7
SVEN [57.7K]

Answer:

(x,y)=(-13,-12)

Step-by-step explanation:

5x - 7y = 19

7x - 7y = -7  Multiply both sides of the equation by -1

Which then gives you :

5x-7y=19  Sum the equations vertically to eliminate  

-7x+7y=7                 at least on variable

-2x=26      Divide both sides of the equation by -2

X=-13       Substitute the given value of x into the equation 7x - 7y =-7

7 x(-13)-7y=-7 solve the equation for y

y=-12

Thus gives you (-13,-12)

Hope this was useful!!! Sorry if it's wrong.

4 0
3 years ago
Brainliest to whoever is correct 30pts...!!!!!!!!!
LiRa [457]
Angle between 16 and 18 = 90 + 55 = 145°

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5 0
2 years ago
3. Ahmed wants to buy a new carpet for his house. The cost of the carpet is $240. One day the carpet shop has a special offer of
Mamont248 [21]

Answer:

After using the offer the carpet would cost Ahmed $180.

Step-by-step explanation:

Given:

Cost of the carpet = $240

Discount percent = 25%

We need to find the cost of the carpet after discount.

Solution:

First we will find the Discount cost.

Now we know that;

Discount cost is equal to Discount percent multiplied by Cost of the carpet divided by 100.

framing in equation form we get;

Discount cost = \frac{25}{100}\times 240 = \$60

Now we will find the Cost of the carpet after discount.

Now we know that;

Cost of the carpet after discount is equal to Cost of the carpet minus Discount cost.

framing in equation form we get;

Cost of the carpet after discount = \$240-\$60= \$180

Hence After using the offer the carpet would cost Ahmed $180.

6 0
2 years ago
Lyle and Tom are each buying houses just outside of Austin. Lyle has excellent credit,
suter [353]

Answer:

103.96

Step-by-step explanation:

The answer is 939.44 - 835. 48

we can do like: 939.44 - 835. 48 = 103.96   ( 938 -835 = 103 and 144 - 48 = 96).

Have a good day

6 0
3 years ago
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just olya [345]
Your answer is B22 
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3 0
3 years ago
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