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nadya68 [22]
3 years ago
11

Which expression is equivalent to

Mathematics
1 answer:
tankabanditka [31]3 years ago
8 0

Answer:

8x^12 y^3

Step-by-step explanation:

8x^12 y^3

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D = -38t + 220
Kitty [74]

Answer: 38 meters per second

Step-by-step explanation:

4 0
2 years ago
What is the equation of the line that goes through the points (- 2, 1) and (0, 4) ? (Write your answer in standard form .)
tekilochka [14]

Answer:

3x-2y+8=0

Step-by-step explanation:

The slope of the line that goes through the points (-2, 1) and (0, 4) is

\frac{4-1}{0-(-2)} = \frac{3}{2}

The slope of the line that goes through the points (x, y) and (0, 4) is

\frac{4-y}{0-x} = \frac{4-y}{-x}

So \frac{3}{2}=\frac{4-y}{-x}\\-3x=2(4-y)=8-2y\\3x-2y+8=0

5 0
2 years ago
Solve: |2 + 4x| 11
erastovalidia [21]

Correct option is A) [-13/4, 9/4] .

<u>Step-by-step explanation:</u>

Here we have following equation as  |2 + 4x| = 11 or , |2 + 4x| = 11 . We need to solve for the value of x .Let's find out:

We know that Modulus Function is both positive & negative for particular values of x , i.e.

|2 + 4x| is positive :

⇒ |2+4x|=11

⇒  2+4x=11

⇒  4x=9

⇒  x = \frac{9}{4}

|2 + 4x| is negative :

⇒ |2+4x|=11

⇒  -2-4x=11

⇒  -4x=13

⇒  x = \frac{-13}{4}

Therefore , Correct option is A) [-13/4, 9/4] .

5 0
3 years ago
What is the difference of (2x+7)-(8x+5)
Anarel [89]

Answer:

If you need the equation: 10x - 12

If you need the equation more simplified: x - 1.2

Step-by-step explanation:

(2x + 7) - (8x + 5)

Move the parts of the equation around

(2x + 8x) - (7 + 5)

Add 2x and 8x together

10x - (7 + 5)

Add 7 and 5 together

10x - 12

If you need it even more simplified, continue

10x - 12

Divide by 10

x - 12/10

Simplify

x - 1.2

I Hope That This Helps! :)

5 0
3 years ago
Find x and y. <br><br> please help !
IrinaK [193]

Using linear pairs,

115+5x=180\\\\5x=65\\\\x=\boxed{13}

By the exterior angle theorem,

2y=45+5(13)\\\\2y=45+65\\\\2y=110\\\\y=\boxed{55}

3 0
2 years ago
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