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Eduardwww [97]
3 years ago
7

Which of the following expressions is equivalent to?

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:  

It's the last choice:  2x^2 - 5x - 8 - 37/(x - 5).

Step-by-step explanation:

Long division:

        2x^2 - 5x -8    <---------------Quotient

        ---------------------------------

x - 5 ) 2x^3 - 15x^2 + 17x + 3

          2x^3 - 10x^2

                     - 5x^2 + 17x

                     - 5x^2  + 25x

                                   - 8x + 3

                                   - 8x + 40

                                           -37 <------ Remainder.

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Tod begins piano practice at 4:15 p.M. And ends at 5:50 p.M. How long does he practice
nikdorinn [45]

Answer:

95 minutes/1 hour and 35 minutes.

Step-by-step explanation:

Since there are 60 minutes in a hour you could convert it. Or you could just subtract 550 minutes by 415 minutes and get 95 minutes which is also 1 hour and 35 minutes.

Hope this helps

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5 0
3 years ago
a student walks 2 kilometers in 30 minutes. What is the students average speed in kilometers per hour?
enot [183]

Answer:

4 km/h

Step-by-step explanation:

4 0
3 years ago
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Find the common factor and factor out <br> 9ab^2-3abc
dsp73
Lets go step by step and factor out each as we go

first lets factor out a 3 since 3 is common in 9 and 3 

3(3ab^2 - abc) 

now lets factor out a since its common in both 

3a(3b^2 - bc) 

now lets factor out a b since its common in both 

3ab(b - c) 

we can't factor anything else out so we are done. 

4 0
3 years ago
What is the sum of the arithmetic sequence 18 E t=1 (5t-4)
dezoksy [38]

The arithmetic sequence is:

\displaystyle\sum_{t = 1}^{18} (5t - 4)

The answer is:

783

7 0
3 years ago
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A window shaped like a parallelogram has an area of 23 4/5 square feet. The height of the window is 2 4/5 feet. How long is the
USPshnik [31]

Answer:

base = 8\frac{1}{2}ft

Step-by-step explanation:

The general formula for the area of a parallelogram is:

A = bh, where b = the length of the base and h = the height

Using the given values for area and height, we can solve for the missing variable of 'b':

23\frac{4}{5}=\frac{119}{5}

2\frac{4}{5}=\frac{14}{5}

\frac{119}{5}=\frac{14}{5}h

Multiply both sides by the reciprocal:

(\frac{5}{14})(\frac{119}{5})=(\frac{14}{5})(\frac{5}{14})h

\frac{119}{14}=h

h=8\frac{1}{2}ft

5 0
3 years ago
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