3 years ago

Please help with math

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

6 0

The answer is X= 2......

Sergio [31]3 years ago

4 0

Answer: x = 2

Step-by-step explanation:

$x+y=8\\y=3x$

Replace y in the first equation by the value of y in the second equation.

$x+y=8\\x+3x=8\\4x=8\\x=\frac{8}{4}\\ x=2$

You might be interested in

Help fast will give brainiest when 2 people answer but you have to show your work hurry help fast

Vika [28.1K]

Answer:

I don't see any attachment!

Step-by-step explanation:

3 0

2 years ago

A student compared the amount (in dollars) they spent on books each week. The box plot shows the results. The median amount they

Nina [5.8K]

the answer you look for is: $50; $45

8 0

3 years ago

Express the following fractions as the sum or difference of two fractions (x^2+y^2)/x^4

zlopas [31]

Answer:

$\frac{1}{x^2}$ + $\frac{y^2}{x^4}$

Step-by-step explanation:

$\frac{x^2 + y^2}{x^4}$ = $\frac{x^2}{x^4}$ + $\frac{y^2}{x^4}$ = $\frac{1}{x^2}$ + $\frac{y^2}{x^4}$

4 0

2 years ago

Math help please please

Vika [28.1K]

Answer:

3(3x+1) (2x-1)

Step-by-step explanation:

18x^2 -3x-3

Factor out a 3

3(6x^2 -x-1)

3(3x+1) (2x-1)

6 0

3 years ago

Expand and simplify pla

k0ka [10]

Y = f(3f - 4g + 3) +7g(3f - 4g + 3)
= 3f^2 - 4fg + 3f + 21fg - 28g^2 + 21g
= 3f^2 + 3f + 17fg + 21g - 28g^2

4 0

2 years ago