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slega [8]
3 years ago
8

Factor x 2 + 29x - 30. (x + 15)(x - 2) (x + 1)(x - 30) (x - 1)(x + 30)

Mathematics
1 answer:
Daniel [21]3 years ago
5 0

Answer:

The correct answer is C) (x - 1)(x + 30)

Step-by-step explanation:

To find this, we need to find factors of the last number (-30) that add up to the middle number (29). In order to do this, list out all of the factors of -30.

-1 and 30

1 and -30

2 and -15

-2 and 15

3 and -10

-3 and 10

Since -1 and 30 satisfy both of the parameters, we put them into their own parenthesis along with x.

(x - 1)(x + 30)

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Answer: 5/6

Step-by-step explanation: trust me on this

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3 years ago
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Y = 3x. How do you graph it???
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If you go to desmos.com, select the graphing calculator, and enter in y = 3x you should be able to see how it's graphed! Hope this helps!

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3 years ago
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Daniel and Edwin went to lunch. Daniel’s meal cost $20 and Edwin’s meal cost $18.50. They each left an 18% tip on the price of t
Neporo4naja [7]

Answer:

$45.43

Step-by-step explanation:

20 × 0.18 = 3.60

18.50 × 0.18 = 3.33

3.60 + 3.33 = 6.93

The total in tips is 6.93

20 + 18.50 = 38.50

The total meal cost is 38.50

38.50 + 6.93 = 45.43

The total of everything is 45.43

4 0
2 years ago
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The total revenue R earned (in dollars) from producing a gift box of candles is given by R(p)=-10p^2+800p, where p is the price
kherson [118]
A.) R(20) = -10(20)^2 + 800(20) = -10(400) + 16000 = -4000 + 16000 = $12,000

R(25) = -10(25)^2 + 800(25) = -10(625) + 20000 = -6250 + 20000 = $13,750

R(30) = -10(30)^2 + 800(30) = -10(900) + 24000 = -9000 + 24000 = $15,000

b.) For maximum revenue, dR/dp = 0
dR/dp = -20p + 800 = 0
20p = 800
p = 40

Therefore, the maximum revenue will be recorded when the price is set at $40.
4 0
3 years ago
Jimmy loaded three bags of sand into his wheelbarrow. The bags weighed 24
Rudik [331]
The whole numbers add up to 100. So now we are left with 1/2 or 0.5, 3/5 or .60, and 1/8 or .125. Those add up to 1.225 so the amount of sand in pounds in the wheelbarrow is 101.225. Hope I helped! If you have any questions just leave a comment.
3 0
3 years ago
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