3 years ago

Please help me i beg.

Mathematics

2 answers:

Lubov Fominskaja [6]3 years ago

8 0

Answer:

2 is the anwser

Step-by-step explanation:

nalin [4]3 years ago

6 0

Answer:

Step-by-step explanation:

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3x+4y=2 4x-4y=12 by using elimination

Sidana [21]

(+3x+4y=2)
(+4x-4y=12)
-----------------
7x = 14
-----------------
7
X=2

3(2)+4y=2
6+4y=2
4y=-4
Y=-1.
Or you can plug x into the other equation.

4(2)-4y=12
8-4y=12
-4y=4
Y=-1.

8 0

4 years ago

Solve this please. Good luck.

julsineya [31]

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4 0

3 years ago

Read 2 more answers

I'm thinking of a number. When I multiply by 8 and add –1, I get –17. What's my number?

frosja888 [35]

Say that you're thinking of number $x$

You multiply it by 8, and have $8x$

You add -1 (i.e., you subtract 1) and have $8x-1$

This equals -17, so you have

$8x-1=-17$

Add 1 to both sides

$8x=-16$

Divide both sides by 8:

$x=-2$

So, you were thinking of -2.

6 0

3 years ago

How many solutions does this system of two equations shown have ? y=3(x+4) y=3(x-4)

alisha [4.7K]

Answer:

One Soulution for both they are parallel and never meet

Step-by-step explanation:

7 0

3 years ago

Select other ways to write 58.25

KIM [24]

Answer:

The answer in the procedure

Step-by-step explanation:

we have

$58.25$ --------> decimal form

case 1

Convert to fraction form

$58.25=58+0.25$

$=58+(1/4)$

$=(58*4+1)/4$

$=233/4$

case 2

Convert to mixed number

$58.25=58+0.25$

$=58+(1/4)$

$58\frac{1}{4}$

8 0

3 years ago