3 years ago

12 = -2x = 4y Help please

Mathematics

1 answer:

ivolga24 [154]3 years ago

6 0

Answer:

x=−2y+6

Step-by-step explanation:

Step 1: Add -12 to both sides.

−2x+12+−12=4y+−12

−2x=4y−12

Step 2: Divide both sides by -2.

−2x /−2 = 4y−12/−2

x=−2y+6

You might be interested in

A=1/2h(B+b); A=15, B=4,b=1

suter [353]

step by step

A=1/2h(B+b)

15=1/2h(4+1)

15/(4+1)=1/2h

15/5=1/2h

3=1/2h

h=2*3

h=6

4 0

3 years ago

Select the correct answer. what is the solution set of y = x2 2x 7 and y = x 7? a. {(0, 7), (-1, 6)} b. {(0, 7), (-7, 0)} c. {(0

Kaylis [27]

Answer:

a. {(0, 7), (-1, 6)}

Step-by-step explanation:

$y = x^{2} +2x+7\\y=x+7$

subtract the equations

$y = x^{2} +2x+7 \\- \ \ \ \ \ y=x+7\\y - y =x^{2} +2x+7-(x+7)\\0=x^{2} +x\\x = 0 \ and \ x= -1$

for $y = x^{2} +2x+7$ , substitute x = 0

$y = (0)^{2} +2(0)+7\\y = 0 +0+7\\y=7$

for $y = x^{2} +2x+7$ , substitute x = 0

$y = (-1)^{2} +2(-1)+7\\y = 1 -2+7\\y=6$

6 0

2 years ago

What is 3/4 divided by 7/12 as a fraction?

Yakvenalex [24]

Answer:

9/7

Step-by-step explanation:

Z4jshrsursursurwruwurwyrwruw4hwurw

7 0

1 year ago

Read 2 more answers

Given the function f(x) = √x-8 + 3 which of the following is the value of f(24)

kvasek [131]

Answer:

The answer is 7.

Step-by-step explanation:

You have to substitute the value of x into the function :

$f(x) = \sqrt{x - 8} + 3$

$f(24) = \sqrt{24 - 8} + 3$

$f(24) = \sqrt{16} + 3$

$f(24) = 4 + 3$

$f(24) = 7$

6 0

3 years ago

What are the solutions of the quadratic equation 4x2 - 8x – 12 = 0?

Juliette [100K]

Answer:

see bottom

Step-by-step explanation:

divide through by 4

x2 - 2x - 3 = 0

x2 - 3x + x - 3 = 0

(x2 - 3x) + (x - 3) = 0

x(x - 3) + 1(x - 3) = 0

(x + 1) (x - 3) = 0

x + 1 = 0 and x - 3 = 0

x = -1 and x = 3

5 0

3 years ago