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Molodets [167]
3 years ago
5

Subtract 4x^2-5xy+9y^2 from 6x^2+4xy-7y^2

Mathematics
2 answers:
just olya [345]3 years ago
6 0

Answer:

ok i got your answer you hath to take out all those x,y s and you will get this 4^{2}-5+9^{2}-6^{2}+4-7^{2}equals 11

Step-by-step explanation:

HOPE I HELPED PLZ GIVE ME A THANKS

mixer [17]3 years ago
5 0

2x2 - 16y2 + 9xy

(the 2 to the right of the x and y are small numbers i forgot what dey are called lol)

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Y=2x+5 and y=3x+2 using substitution strategy
WINSTONCH [101]

Answer:

Hi there the answer will be (3,11)

Since you are using the substitution way, you first plug in one of the y's into the other equation and you can see that they are set equal to each other.

2x+5=3x+2

Then you subtract 2x on both sides to get the x's on the same side

and you get 5=x+2

Then you subtract 2 on both sides, and you get x to equal to 3

then you plug x into any equation to get y to equal 11

y= 2(3)+5

5 0
3 years ago
Multiply 4/5 by the reciprocal of −2/10.
Svetach [21]

Answer:

4/5*reciprocal of -2/10

The reciprocal of -2/10 is 10/-2

4/5*10/2

Cancelling the numbers

-4 is the answer

Step-by-step explanation:

I hope it will help you :)

7 0
4 years ago
Read 2 more answers
15 points, no messing around, please do it right
cupoosta [38]

Answer:

416 is your answer!!!

Step-by-step explanation:

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8 0
3 years ago
Help meh PleaSe
Leni [432]
The formula for direct variation is y = kx<span> where k </span>≠ 0

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4 years ago
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I hope this helps you



90-8.5


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