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Musya8 [376]
3 years ago
5

One number is 2 more than another. The difference between their squares is 20. What are the numbers?

Mathematics
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

let x=one number =

x-2= another number

x²- (x-2)²=20

x²-x²-4x+4=20

-4x=20-4

-4x=16

x=16/-4

x=-4

one number is -4

x-2

-4-2

=-6

the another number is -6

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Well 1000 for his birthday then subtract 25 each week, w, should be 1000-25w if i am not mistaken.

6 0
3 years ago
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4 0
3 years ago
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NEED ANSWER ASAP!!!! <br> y=−x^2−2x+3 <br> When is g(x) = 0?
Crazy boy [7]

Answer:

y=3

Step-by-step explanation:

Since g(x)=0, you input 0 into every x

y=-(0)^{2} -2(0)+3

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7 0
2 years ago
24/15+32/12= list all the steps you do to find this amswer
tia_tia [17]
1. The lowest common multiple between 15 and 12 is 60.
    So, the new denominator of the fraction become 60.
2. Because 15*4= 60 ; 12*5 =60
    For sustaining the balance, we should multiply 24 (the first molecule) to 4 times and multiply 12 (the second molecule) to 5 times.
   Like, 24*4 and 32*5
3.New denominator :60
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5 0
3 years ago
Ahmed paid $34 000 for a car.
ZanzabumX [31]

Answer:

$18360

Step-by-step explanation:

Since, the value decreased by 40%, the price is (100-40)% of 34000

= 60% of 34000

= 60/100 * 34000

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= 20400 --- (Price after first year)

Since, the value decreased by 10%, the price (100-10)% of 20400

= 90% of 20400

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= 90 * 204

= $18360

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

3 0
3 years ago
Read 2 more answers
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