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Pavel [41]
3 years ago
14

Which expression is equivalent to (-1/3)(6x + 15) -3 *

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0
-2x + 12 is the answer .
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Solve for x. <br> 2(x-2)= 6x + 2 -2(-2x - 4)
Lena [83]

Answer:-7/4

Step-by-step explanation:

2(x-2)=6x+2-2(-2x-4)

Open brackets

2x-4=6x+2+4x+8

Collect like terms

-4-2-8=6x+4x-2x

-14=8x

Divide both sides by 8

-14/8=8x/8

-7/4=x

x=-7/4

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3 years ago
What is the quadratic regression equation for the data set?
Svet_ta [14]

Answer:

y=−0.004x2+0.415x−0.546

6 0
3 years ago
5 is 5% of what number w
navik [9.2K]
5 = 0.05w
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3 years ago
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Please help solve: Graph y-4=2(x-2)
xeze [42]

Answer:

Graph y = 2x

Step-by-step explanation:

First, let's get the equation into standard form. Distribute the 2 on the right.

y-4=2x-4

Next, we want the variable "y" to be alone, so we at 4 to both sides.

y-4+(4)=2x-4+(4)\\\\y=2x

That is our equation in standard y = mx + b form. "m" is our slope, while "b" is our y-intercept. Above , we don't have a value for b, therefore the line passes through the origin.

We do, however, have a slope, which can be thought of as \frac{rise}{run} or rise over run. To represent this, we can rewrite our slope as:

y=\frac{2}{1}x

Meaning in each interval, the line goes up by 2 units, and moves forward by 1.

3 0
3 years ago
Which set of three numbers could be the side lengths of a triangle?
Genrish500 [490]
D.). I think. yeah because 2 side are equal and 1 isn't.
7 0
3 years ago
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