3 years ago

Y=x+8 Y=-4x-12 Solve each system by substitution

Mathematics

1 answer:

iVinArrow [24]3 years ago

6 0

Answer:

Step-by-step explanation:

hello :

Y=x+8

Y=-4x-12

-4x-12 = x+8

-5x = 20

x = -4

but : y=x+8

so : y=-4+8 = 4

You might be interested in

2(4.r + 3) = 7x+5 (SHOW WORK)

KatRina [158]

Answer: r=7x-1/8

Step-by-step explanation:

2(4r+3)=7x/2+5/2

4r+3=7x+5/2

4r+3-3=7x+5/2 -3

4r=7x+5/2 -3

4r/4= 7x-5/2/4 -3/4

r=7x-1/8

6 0

3 years ago

Theorem A line parallel to one side of a triangle divides the other two proportionately

aksik [14]

The correct answer is C) Segment BD = 20.

5 0

3 years ago

5 lb hamburger for 12 people

boyakko [2]

Answer:

ok? What is the question?!?!

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers

Roger brought some sponges. The number of packages he bought was 14 less than the number of sponges per package. Roger bought 51

mihalych1998 [28]

Answer:

the number of sponges per package bought be 32.5

Step-by-step explanation:

Let us assume the number of sponges per package be x

So the number of packages he bought be x - 14

And, the overall he bought 51 sponges

the number of packages of sponges did roger buy is

x + x - 14 = 51

2x = 51 + 14

2x = 65

x = 32.5

So the number of sponges per package bought be 32.5

8 0

3 years ago

Convert 3.5 ⋅ 104 to standard form. 35,000 3,500 0.00035 0.000035

Paraphin [41]

35,000
............................................

6 0

3 years ago

Read 2 more answers