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Mashutka [201]
2 years ago
9

Which example illustrates the associative property of addition for polynomials? [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = (2x2 + 5x) + [

(4x2 – 4x) + 5x3] [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = [(4x2 – 4x) + (2x2 + 5x)] + 5x3 (2x2 + 5x) + [(4x2 – 4x) + 5x3] = (2x2 + 5x) + [5x3 + (4x2 – 4x)] [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = [(5x + 2x2) + (–4x + 4x2)] + 5x3
Mathematics
1 answer:
Softa [21]2 years ago
9 0

Answer:

A

Step-by-step explanation:

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MANUFACTURING A shoe manufacturer spends $2.50 to make sandals and $4 to make running shoes. During a typical month, they spend
jonny [76]

Answer:

200 pairs of sandals

Step-by-step explanation:

Represent the sandals with x and the running shoes with y.

In a typical month:

Total = 2500

In April

Total = 3000

Required

The number of sandals in a typical month

<u>In a typical month:</u>

If 1 sandal costs 2.50, then x costs 2.50x

If 1 running shoe costs 4, then y costs 4y

The total is:

2.50x + 4y = 2500

<u>In April:</u>

If 1 sandal costs 2.50, then 2x costs 5x ---- <em>we used 2x because the pairs is doubled </em>

If 1 running shoe costs 4, then y costs 4y

The total is:

5x + 4y = 3000

The equations are:

5x + 4y = 3000

2.50x + 4y = 2500

Subtract

5x - 2.50x + 4y - 4y = 3000 - 2500

2.50x = 500

x = \frac{500}{2.50}

x = 200

8 0
3 years ago
Find the values of sand y <br> VR=y<br> TS=x+11<br> VT=y-3x <br> RS=x+2
Bumek [7]
I'm guessing this is a parallelogram or something, so VR=TS and RS=VT
therefore, y=x+11 and x+2=y-3x
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then use the process of elimination:
   y=4x+2         then plug in:    y=3+11
-  y=x+11                                 y=14
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6 0
3 years ago
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ruslelena [56]

Answer:

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Step-by-step explanation:

The area of a circle is found by

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We know the radius is 2

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Using 3.14 as pi

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5 0
3 years ago
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What is 30% of 150 show the work
melisa1 [442]

Answer:

30% of 150 is 45

Step-by-step explanation:

30% = .3 x 100

So take 30% out of its percentage form

then multiply .3 and 150

150 x 0.3 = 45

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:)

4 0
2 years ago
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Unit: Composite and inverse functions Evaluate. g(h(-3))=g
ioda

Answer: g = 0

Step-by-step explanation:

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