Factor by grouping: −20x3+5x2+10−40x

Mathematics

1 answer:

Olenka [21]3 years ago

5 0

Answer:

Step-by-step explanation:

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sweet [91]

$\displaystyle y = Atan(Bx - C) + D$

According to this trigonometric function, −C gives you the OPPOSITE terms of what they really are, so be EXTREMELY CAREFUL.

Extended Information on the trigonometric function

$\displaystyle Vertical\:Shift → D \\ Phase\:[Horisontal]\:Shift → \frac{C}{B} \\ Period → \frac{π}{B} \\ Amplitude → |A|$

NOTE: Sometimes, your vertical shift might tell you to extend the troughs on each end of your graphs, beyond the midline.

* All tangent functions have NO AMPLITUDES.

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3 years ago

Jasmine's race time was 34.287 minutes.Round her race time to the nearest tenth of a minute

Lady bird [3.3K]

The answer is 34.3 minutes

EXPLANATION

To round off to the nearest tenths, you need to find first the tenths value. In this case, it's 2.

Next, look to the number on the right side or the hundredths value. Since 8 is greater than 5, you have to round the tenths value up.

From 2, you'll now have 3. Zero out the values on the right of the tenths value.

So basically, you'll have now 34.3 minutes

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3 years ago

Find the value of a that makes the statement true. 3^-1 divided by 3^4= 3^a a=___

Firdavs [7]

3^-1 divided by 3^4 =

when dividing exponents with the same base, subtract the exponents

3^(-1-4)

3^-5

a=-5

Answer a=-5

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3 years ago