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djyliett [7]
3 years ago
10

Evaluate the expression- 2(y+1)for y=2

Mathematics
1 answer:
kiruha [24]3 years ago
6 0

Answer:

-6

Step-by-step explanation:

-2 ((2) + 1)

-2 (3)

= -6

Hope it helped

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3x - y = 2<br>and<br>2x + y = 4​
Naddik [55]

\frac{3}{1}Answer:

Step-by-step explanation:

3x-y = 2

2x+y =4

put them into slope intercept form

y=3x-2

y=-2x+4

Now, you can either graph it or use substitution

3x-2 = -2x+4

+2x +2x

5x -2 = 4

+2 +2

5x = 6

5x/5 = 6/5

x = 6/5

3x -2 = y

3(6/5) -2 = y

3 x 6 / 1 x 5 = 18/5

3 3/5 -2 = 1 3/5

Let me know if it's wrong.

Hope this helps

6 0
2 years ago
Where does the square root of 40 go on a 1-10 number line?​
kaheart [24]

Answer:

Step-by-step explanation:

36 < 40 < 49\\\\6 < \sqrt{40}  < 7\\

Here is the exact construction of √40 using Pythagorean 's theorem

8 0
2 years ago
For what value of x is quadrilateral CDEF a parallelogram?<br><br>x=?​
Contact [7]

Answer:

x = 5

Step-by-step explanation:

Since we know that the diagonals bisect each other and divide into equal parts so ➡

x - 2 = 2x -7

2x - x = 7 - 2

x = 5

8 0
2 years ago
NEED HELP IN SOLVING THIS AREA PROBLEM !!!!!
dezoksy [38]
I’m not sure if it’s add or multiple the sides of each I don’t know if this even helped lol
6 0
3 years ago
Read 2 more answers
After graphing 4x-2y=5 and y=x, in how many points do they intersect
Angelina_Jolie [31]

Answer:

1 at (2.5, 2.5)

Step-by-step explanation:

you can try graphing it on desmo

3 0
3 years ago
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