3 years ago

By Substitution 4x + 8y = 20 -4x + 2y = -30

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

7 0

Step-by-step explanation:

In the picture, I hope that it's a clear solution and explanation.

You might be interested in

Hijsjsjsjsjdjej jejdjwjejd

Alenkasestr [34]

Answer:

BC=11.9

Step-by-step explanation:

7 0

3 years ago

A local amusement park charges $20 for an admission fee and $5 for each ride.

german

Answer:

20+5x=

Step-by-step explanation:

3 0

3 years ago

If angle9 = 7y° and angle10 = 3y°, what is the measure of angle16 such that x is parallel to z?

Semenov [28]

$\angle 9 = \angle 16 = 7y$

7 0

3 years ago

Read 2 more answers

((4-x)/5)+((x+2)/3)=6 Please Help Soon

Vlada [557]

Answer: x = 34

Step-by-step explanation:

⁴ ⁻ˣ/₅ + ˣ + 2/₃ = 6

Now resolve into fraction and convert to a linear equation

4 - x /₅ + x + 2/₃ = 6

3( 4 -x ) + 5( x + 2 )/15 = 6

3( 4 - x ) + 5( x + 2 ) = 6 x 15

12 - 3x + 5x + 10 = 90

2x + 22 = 90

2x = 90 - 22

2x = 68

x = 34

4 0

3 years ago

Solve the given quadratic equation 2x2 + x + 1 = 0.

Ivan

Answer:

2×2+x+1=0

4+x+1=0

5+x=0

x=-5

8 0

3 years ago