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Wittaler [7]
3 years ago
10

Show that (x-5) is a factor of x^3-3x^2-13x+15

Mathematics
1 answer:
mario62 [17]3 years ago
6 0

Answer:

sorry not in that grade

Step-by-step explanation:

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Answer:

1. -3

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Step-by-step explanation:

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You are painting the outside of a 28
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The price of a laptop computer decreased from 475 to 275. What is the percent of decrease in price
anyanavicka [17]
First find the difference in prices...

475 - 275 = 200 so the price went down 200 dollars. No we need to find what percentage of 475 is 200.

475 × x = 200
x = 200/475
x = .4211

Now convert to percentage by multiplying by 100 (move decimal 2 places to the right)

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8 0
2 years ago
How many ways can Mrs. Sullivan choose two
sveta [45]

In 371 ways Mrs. Sullivan choose two  students from 27 to help put away calculators at  the end of class

Step-by-step explanation:

let us assume that Mrs.Sullivan  wants to choose 2 students from a group of 27 students

So ,in the first choice we have  27 students

In the  second choice we have  26 choices

So Mrs.Sullivan has = 27 × 26 = 702 ways

But  each group repeated twice,in order to avoid that we will divide the answer by 2

so we will write

= 702 ÷ 2 =<u> 351 ways</u>

<u>This method of calculation is called Combination</u>

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3 years ago
Explain what SOHCAHTOA means.
FinnZ [79.3K]

Answer:

It's a mnemonic device to help you remember the three basic trig ratios used to solve for missing sides and angles in a right triangle. It's defined as: SOH: Sin(θ) = Opposite / Hypotenuse. CAH: Cos(θ) = Adjacent / Hypotenuse.

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3 years ago
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