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maksim [4K]
3 years ago
12

Solve each system of equation algebraically Y=x+12 Y=-18

Mathematics
1 answer:
Nikitich [7]3 years ago
8 0

You plug in -18 for Y

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Write 10/6 as a mixed number in simplest form
larisa86 [58]
10/6 = 6/6 + 4/6 = 1 + 4/6 = 1 + 2/3

So, the simplest mixed number equaling 10/6 is 1  2/3.
4 0
4 years ago
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Find the lowest common denominator of the following fractions.5/n-2 and n+2/ n^2-4 n - 2 n2 - 4 (n - 2)(n2 - 4)
DanielleElmas [232]

Answer:

(n-2)(n+2)

Step-by-step explanation:

The denominator of the second fraction is the difference of squares, so can be factored using the formula for that.

 (n^2 -4) = (n -2)(n +2)

Now, you will note that the second fraction has a numerator that is equal to one of the factors in the denominator. In other words, the whole fraction can be simplified to ...

 (n +2)/((n +2)(n -2)) = 1/(n -2) . . . . with the restriction n≠-2

This reduced form of the fraction has the same denominator as the first fraction, so you can say that the lowest common denominator is that: (n -2).

If there is some reason you don't want to reduce the second fraction, the lowest common denominator will be (n -2)(n +2).

5 0
4 years ago
A regression analysis between sales (in $1000) and advertising (in $) resulted in the following least squares line: Y= 32 + 8X.
goblinko [34]

Answer:

Step-by-step explanation: This is a question under linear regression analysis.

The question is trying to relate sales (in $1000) and and advertising.

Both sales and advertising are variables and are connected by the equation

Y = 32x + 8

Which is a linear regression equation of 2 variables.

Where x is the independent variable which represents advertising in this case and Y is the dependent variable which represents sales.

At $1 of adverts, we have $40 of sales.

We just simply put the fact that x = $1 (advertising) into the linear regression equation, we have the value of Y ( sales)

Y = 32(1) + 8

Y = 32 + 8

Y = $40.

3 0
3 years ago
The value of a car over a period of 8 years is linear.
STALIN [3.7K]

I guess A i don't know hope the answer is correct

7 0
3 years ago
Help me please and thankyou
klemol [59]

Answer:

\boxed{Option B}

Step-by-step explanation:

=> (-5*4)^3

Using the distributive property

=> (-5)^3*(4)^3

5 0
4 years ago
Read 2 more answers
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