3 years ago

Can someone please help me with my math homework!!

Mathematics

1 answer:

larisa [96]3 years ago

3 0

1.)11x^2-3x
2.)8x+1-x^2
3.)-x^2-x+8
4.)-2y+10-x^2

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If <img src="https://tex.z-dn.net/?f=%20%28x%2By%29%5E%7B2%7D%20%20" id="TexFormula1" title=" (x+y)^{2} " alt=" (x+y)^{2} " al

olga_2 [115]

$(x + y)^2 = 36$

$x^2 + 2xy + y^2 = 36$

$x^2+ y^2 = 36 - 2xy = 36- 2(-7)= 36+14=50$

Answer: 50

4 0

3 years ago

Help thank you ! Elimination method

jeka94

Answer:

x=0

y=7

Step-by-step explanation:

Divide 6x-4y=-28 by -2..... -3x+2y=14

3x+5y=35

-3x+2y=14

--------------

7y=49

y=7

6x-4*7=-28

x=0

6 0

3 years ago

How much carpet does Jordan need to cover the surface of the post including the bottom

Artist 52 [7]

Answer:

It would be 3,800

Step-by-step explanation:

You have to find the surface area of the post

( ( 90 x 10 ) x 4 ) + ( 10 x 10 ) x 2 ) = 3,800

3,600 + 200 = 3,800

Hope this helps

7 0

3 years ago

Which is the graph of the function f(x) =x^3+x^2+4?

gulaghasi [49]

Answer:

See attached graph

Step-by-step explanation:

This is a cubic and will graph as a sideways S as shown in the attached picture.

4 0

3 years ago

Please answer correctly!! I’ll mark as brainliest! <br><br> No links no fake answers

ioda

Hii I think the answer is 24!!

6 0

3 years ago