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MariettaO [177]
3 years ago
6

PLEASE HELP me!! will give brainliest!! (:

Mathematics
2 answers:
Cloud [144]3 years ago
5 0

Answer:

The answer to your question is: Yes, x - 5  is a factor of the polynomial.

Step-by-step explanation:

To answer this question you need  to divide the polynomial by the factor and if there is nothing left, they are factor.

                   

                             <u>x³ -4x² -7x +10</u>

                                      x -5

                         

                         x²  + x -2

              x-5      x³ -4x² -7x +10

                        -x³ + 5x²

                               x²  - 7x

                             -x²   + 5x

                                      -2x + 10

                                      +2x -10

                                         0     0       These zeros tell us that the linear

                                                          expression is a factor of the polynomial                

                                     

rjkz [21]3 years ago
3 0

Hey!

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

Solution:

f(x)= \frac{x^3-4x^2-7x+10}{x-5}\\f(x)= x^2 + x - 2\\f(x)= (x^2 + x - 2)(x-5)\\f(x)= (x+2) (x-1) (x-5)

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

Answer:

f(x) = (x+2) (x-1) (x-5)

x - 5 is a factor of this polynomial.

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

Hope This Helped! Good Luck!

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Step-by-step explanation:

7 0
2 years ago
Select the correct expression for the phrase below.
Arturiano [62]

Answer:

52+p

Step-by-step explanation:

The expression says "add p to 52", so we know that we need to sum two values, one of them is the variable 'p', and the other is the value 52.

So, writing this expression in mathematical terms, we have:

52+p

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So the correct answer is the last one (the fifth one)

7 0
3 years ago
Help please, stuck on this one!
allochka39001 [22]

Answer:

AFCE = 30

P+Q = 11

Step-by-step explanation:

From the picture, you can see the figure can be decomposed into two identical large triangles with area 20, and 4 identical longer ones, that have to cover the remaining area 40, thus 10 each.

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4 0
2 years ago
PLEASE HELP ME ANSWER! im so desperate bro !!
sergey [27]

a)13

b) skewed

c) IQR

d)Sam's observation is correct

e)6.17

Step-by-step explanation:

Step 1 :

From the histogram we can infer that

0 to 2 texts has been sent by 1 student

2 to 4 texts has been sent by 3 student

4 to 6 texts has been sent by 4 student

6 to 8 texts has been sent by 4 student

8 to 10 texts has been sent by 5 student

Step 2:

a)

From step 1 , we can see that there are total of 17 students represented by the histogram

Step 3:

b)

This is a skewed histogram because we have all large values of students on the right of the histogram and smaller values on the left of the histogram.

In symmetrical histogram, there would be large values on the center and the smaller values on both sides.

Step 4:

c)

IQR would be better recommendation for this as this is a skewed histogram

Standard deviation would be recommended for a symmetrical histogram

Step 5:

d)

Total number of students is 17

Number of students who text between 8 to 10 messages is 5

Hence the students who text between 8 and 10 messages is 5/17

which is nearly 1/3 rd of the total students.

Hence Sam's observation is correct

Step 6:

e)

Mean amount of the texts = (1 * 3 + 3* 3 + 5*4 +7*4 + 9* 5) /17 = 6.17

6 0
3 years ago
Out of 340 racers who started the marathon, 302 completed the race, 26 gave up, and 12 were disqualified. What percentage did no
tangare [24]

Answer:

11.18%

Step-by-step explanation:

Total = 340

Completed = 302

Not completed = 340 - 302 = 38

Not completed% = 38/340*100% =  11.18%

3 0
3 years ago
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