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Georgia [21]
3 years ago
10

I need help w this question right here

Mathematics
1 answer:
grigory [225]3 years ago
4 0

Answer:

9

Step-by-step explanation:

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Solve this system of equations by elimination:<br><br> 8x+9y=48<br> 12x+5y=21
Olin [163]

Answer:

Let's solve your system of equations by elimination.

8x+9y=48;12x+5y=21

Steps:

Multiply the first equation by 5,and multiply the second equation by -9.

5(8x+9y=48)

−9(12x+5y=21)

Becomes:

40x+45y=240

−108x−45y=−189

Add these equations to eliminate y:

−68x=51

Then solve−68x=51for x:

−68x /−68 = 51 /−68  (Divide both sides by -68)

x=  −3 /4

Now that we've found x let's plug it back in to solve for y.

Write down an original equation:

8x+9y=48

Substitute

−3 /4

8x+9y=48:

8( −3 /4 )+9y=48

9y−6=48 (Simplify both sides of the equation)

9y−6+6=48+6 (Add 6 to both sides)

9y=54

9y /9  =  54 /9  (Divide both sides by 9)   y=6

<em><u>Answer:  x=  −3 /4  and y=6</u></em>

Hope This Helps!  Have A Nice Day!!

7 0
3 years ago
The Prize Place has 252 toys to be divided equally among 6 piñatas.How many toys will go into each piñata?
Mumz [18]
This is an example of division. 252/6=42. So 42 toys will go into each pinata.
8 0
3 years ago
Jerry has 6 candys he lost 2 how much does he have?
Aleksandr-060686 [28]

Answer:

Hello there!

Since he had 6 candies and lost two, all you have to do is subtract 2 from 6.

Therefore, Jerry only has 4 candies.

Hope this helps!!!

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Suppose that the equation V = 5x2 60x + 8000 represents the value of
umka21 [38]
Sorry I can’t buddy........................................................:(
8 0
3 years ago
What is this answer?
Shtirlitz [24]

Answer:

1/2

Step-by-step explanation:

your mom :|

4 0
2 years ago
Read 2 more answers
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