2 years ago

How you solve x^2-xy+2x-2y

1 answer:

7 0

You cant solve this because there is no matching variables like for example:

x^2-3xy+2x-2y-4+xy-5x+6y+8 and i solved this which the answer is x^2-3x+4y-2xy+2 because there are matching variables.

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What is 2x-3y=-2 and 4x+y=24

icang [17]

2x - 3y = -2 ⇒ 4x - 6y = -4
4x + y = 24 ⇒ 4x + y = 24
 -7y = -28
 -7 -7
 y = 4
 2x - 3(4) = -2
 2x - 12 = -2
 +12 +12
 2x = 12
 2 2
 x = 6
 (x, y) = (6, 4)

4 0

3 years ago

The equation x+(75.3−x)=75.3 represents the sum of two angles. How many possible combinations of angle measures satisfy these co

VARVARA [1.3K]

Answer:

smaller angle = x

larger angle = 3x + 8

x + 3x + 8 = 180

4x + 8 = 180

4x = 172

x = 43

The smaller angle measures 43 degrees.

The larger angle measures 137 degrees.

3 0

2 years ago

If elephant grows 3 3/4 inched a day, how many inches will it grow in 7 days?

olga nikolaevna [1]

Answer:

26.25, or 26 1/4, inches

Step-by-step explanation:

each day 3.75inches, so in 7 day, it grows 3.75 * 7 = 26.25inches

4 0

1 year ago

2/5(d−10)−2/3(d+6) is

MissTica

Remove parentheses
2/5 • d-10 - 2/3 • d+6

calculate
2/5d-4 - 2/3d-4

the answer
-4/15d-8

3 0

3 years ago

Determine the unit rate then determine the better buy Option A: a 4 pack of 3.2-ounce servings of apple sauce for $2.50 or Optio

Greeley [361]

Answer:The better buy Option is A

Step-by-step explanation:

4 0

2 years ago