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Serggg [28]
3 years ago
6

Solve the system of linear equations. Check your solution. y=2x-2 y=2x+9

Mathematics
1 answer:
natulia [17]3 years ago
8 0
2X-2=2X+9
Add 2

2X=2X+11
Subract 2X
0= 11

This has no solution to this problem
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Ok pls help ***6TH GRADE*** its 50 points since its due in 15 I'm desperateeeeeee. i HAVE ASKED SO MANY TIMES AND NO ONE HELPS S
Harlamova29_29 [7]

Answer:

For the first pic, line two is 8 km

I don't know about the second one. This is the best I can do, sorry

I hope I helped somehow, have a good day

8 0
3 years ago
If x-1/3 = kand k = 3, what is the value of x?<br> a. 2<br> b. 4<br> c. 9<br> d. 10
frosja888 [35]

Answer:

X=10

Step-by-step explanation:

Plug 3 into the k in the first equation. Multiply by 3 to cancel out the fraction. This leaves you with x-1=9. Add 1 to both sides and you get x=10.

5 0
3 years ago
Read 2 more answers
Donatello starts with a marble cube of side length $10.$ He then slices a pyramid off each corner, so that in the resulting poly
prohojiy [21]

Answer:

The length of each side of the polyhedron, s is 4.142 or

= 10(\sqrt{2}-1)

Step-by-step explanation:

If we take the distance of the length of the side of the cube where Donatello make the cut to the corner of the cube as x we get the side of length each polyhedron as

\sqrt{x^2 + x^2} = \sqrt{2x^2} =x\sqrt{2}

x·√2 because we have an hy

Therefore, the original cube had sides of length

10 = 2·x + x·√2

Solving for x we get

x = \frac{10}{\sqrt{2}+2 }

Therefore the length of s is x·√2 which gives

s = x\sqrt{2}  = \frac{10}{\sqrt{2}+2 }\sqrt{2} = 10\sqrt{2} -10 = 10(\sqrt{2}-1) = 4.142

The length of each side of the polyhedron, s = 4.142.

3 0
4 years ago
From the sum of 3x +4y -3xy and 5x +3y -2xy subtract the sum of 2x +y – 3xy and 10x -9y -8xy
Elina [12.6K]

Answer:

5x-1y-11y

Step-by-step explanation:

3x+4y-3xy+5x+3y-2xy-2x+y-3xy+10x-9y-8xy

2x+5x+4y+3y-3xy-2xy-2x+10x+y-9y-3xy-8xy

7x+7y-5xy-12x-8y-11xy

7x-12x+7y-8y-11xy

-5x-1y-11xy

3 0
3 years ago
The function of, f(x), is plotted below. find the value of each expression below.Limit as x approaches 3 minusf(x) =
blondinia [14]

Answer:

1st: -3

2nd: 2

3rd: DNE

4th: -1

Step-by-step explanation: Just got it right! :]

3 0
3 years ago
Read 2 more answers
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