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andreev551 [17]
3 years ago
13

Simplify −2xy + 3x − 2xy + 3x

Mathematics
1 answer:
drek231 [11]3 years ago
5 0
<span><span><span><span>=−<span><span>2x</span>y</span></span>+<span>3x</span></span>+<span>−<span><span>2x</span>y</span></span></span>+<span>3x
</span></span><span>=<span><span>(<span><span>−<span><span>2x</span>y</span></span>+<span>−<span><span>2x</span>y</span></span></span>)</span>+<span>(<span><span>3x</span>+<span>3x)
=-4xy+6x
</span></span></span></span></span>


And the answer is A. =-4xy+6x
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Arrange your bookshelf with equal books In each row for a stack of 49 books.Decide if 49 is a prime number or a composite number
Yuri [45]
49 is composite because it has factors other than itself and 1, 7 and 7, namely. So you could have one row of 49 books, 49 rows of one book or 7 rows of 7 books.
3 0
3 years ago
For the following exercises, evaluate the expressions, given functions f, g, and h:
sertanlavr [38]

Answer:

- 16

Step-by-step explanation:

Evaluate f(2) by substituting x = 2 into f(x) , that is

f(2) = 3(2) - 3 = 6 - 3 = 3

Evaluate g(- 1) by substituting x = - 1 into g(x) , that is

g(- 1) = 8 - (- 1)² = 8 - 1 = 7

Thus

4f(2) - 4g(- 1)

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7 0
3 years ago
Part A: Eveline rented a car at $180 for 4 days. If she rents the same car for 9 days, she has to pay a total rent of $325. Writ
QveST [7]

Answer:


Step-by-step explanation:

Part A

We will use the slope intercept form of the line and then convert later.

Equation

y = mx + b is the general form

Givens

Two data points

(4,180)

(9,325)

Solution

325 = 9x + b

<u>180 = 4x + b</u>                Subtract

145 = 5x                      Divide by 5

145/5 = 5x/5               Do the division

29 = x                          This represents the cost / day

180 = 4x + b                 Substitute x = 29 to find b

180 = 4*29 + b             Combine

180 = 116 + b                Subtract 116 from both sides.

180 - 116 = b

64   = b

Solution for y = mx + b

y = 29x + 64

In Standard form this is

- 29x + y = 64 But the first number must be plus

29x - y = - 64 <<<< Answer A

Part B

y = 29x + 64

f(x) = 29x + 64

Part C

The graph is shown below. Various points are filled in using y = 29x + 64. The y intercept is (0,64) which is labeled. Let x = 1 , 2, 3, 4, ... 10 (which is arbitrary). This may be more easily done on a spreadsheet if you know how to use one to make graphs.


8 0
4 years ago
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expeople1 [14]
Since they pick 3 quarts in 1 hour they can pick 6 quarts in 2 hours and 9 quarts in 3 and so on. So the number of quarts they can pick in a certain amount of hours is just the total number of hours they spend picking times 3 quarts. So since they picked for 7 hours and each of those hours they picked 3 quarts, in total they picked 21 quarts

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3 0
3 years ago
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What is the multiplicity of the zero of the polynomial function f(x)=(x+5)^4
iVinArrow [24]
Multiplicity would be 4
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