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lianna [129]
3 years ago
10

( -5.5x +3)-2(-2.75x -2.5 =

Mathematics
2 answers:
Jobisdone [24]3 years ago
7 0
(-5,5x+3)-2(-2,75x - 2,5)(-5,5x+3)(5,5x+5)=-30,25x² - 27,5x + 16 ,5x +15=-30,25x² - 11x+15

Illusion [34]3 years ago
4 0
(-5,5x+3)-2(-2,75x - 2,5)
(-5,5x+3)(5,5x+5)
=-30,25x² - 27,5x + 16 ,5x +15
=-30,25x² - 11x+15
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How many times does the quadratic function below intersect the x-axis?<br> y = 2x2 +7x+6
sattari [20]

Answer:

once

Step-by-step explanation:

since the equation is liner, with x simply to the first power, it will only cross the x axis once. x^2 would cross the x axis twice, x^3 would cross it three times, and so on

6 0
3 years ago
What is the meaning os slpoe in math and please give an example for <br><br> y=2x-1;(-2,2)
alexira [117]
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6 0
2 years ago
Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 3, −4 is the only other
Nonamiya [84]

Answer:

Step-by-step explanation:

Hello,

degree 5

4 is a zero of multiplicity 3 -> (x-4)^3 is a factor

-4 is the only other zero, so the multiplicity is 5-3=2 -> (x+4)^2 is a factor

leading coefficient is 4 so we can write

\boxed{4(x-4)^3(x+4)^2}

If there is something that you do not understand or you are blocked somewhere let us know what / where.

Thank you.

8 0
2 years ago
What is the probability of drawing five face cards?
anastassius [24]
Total number of cards = 52
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Answer: 33/108290
4 0
3 years ago
An airplane travels 640 miles from Topeka to Houston in 3.2 hours, going against the wind. The return trip is with the wind, and
Mandarinka [93]

The  airplane flies at 260 mi/h with no wind, while the rate of the wind is 60 mi/h.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let a represent the rate of the airplane with no wind. and b the rate of the wind, hence:

(a - b)3.2 = 640

a - b = 200   (1)

Also:

(a + b)2 = 640

a + b = 320    (2)

The solution to equation 1 and 2 is:

a = 260, b = 60

The  airplane flies at 260 mi/h with no wind, while the rate of the wind is 60 mi/h.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

4 0
1 year ago
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