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lyudmila [28]
3 years ago
6

Find the point-slope equation for

Mathematics
1 answer:
Igoryamba3 years ago
4 0

Answer:

y+(21)=-4(x-7)

Step-by-step explanation:

the point slope equation , two point

m=y2-y1/x2-x1

m=23+21/-4-7=44/-11= -4

y+(21)=-4(x-7)

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Least common multiple of 6,5,3
rjkz [21]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
Micah was asked to add the following expressions: 3x2−x−9x2+3x+2+−2x2+2x+5x2+3x+2 First, he combined like terms in the numerator
shtirl [24]

Micah was asked to add the following expressions:

\frac{3x^2-x-9}{x^2+3x+2} + \frac{-2x^2+2x+5}{x^2+3x+2}

First, he combined like terms in the numerator and kept the common denominator

First step is correct. He added the like terms in the numerator, because the denominators are same.

3x^2 -x -9 -2x^2+2x+5becomes x^2 +x -4

So he got , \frac{x^2+x-4}{x^2+3x+2}

In the next step, he cannot cancel out x^2 from the top and bottom . Because x-4 and 3x+2  are added with x^2

If we have x^2 is multiplied with other terms at the top and bottom , then we can cancel out x^2.

So Micah added the expression incorrectly. Final answer is not correct.

5 0
3 years ago
-4p+9=-5 solve the equation
scoray [572]

Answer:

p = 14/4

Step-by-step explanation:

-4p+9=-5

-4p = -14

p = 14/4

3 0
3 years ago
Read 2 more answers
What's -54 divided by 104 ?
tatuchka [14]
Your answer is -0.51923077
6 0
3 years ago
Read 2 more answers
UNSER
Neko [114]

Answer:

2100

Step-by-step explanation:

30%×3000=900.

3000-900=2100

6 0
3 years ago
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