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soldi70 [24.7K]
2 years ago
8

Which is the polynomial function of lowest degree with leading coefficient of 4 and roots 7 and 3?

Mathematics
1 answer:
laiz [17]2 years ago
3 0

Answer:

Step-by-step explanation:

If the roots are 7 and 3, then x = 7 and x = 3 are solutions. In factor form, x = 7 is (x - 7); in factor form, x = 3 is (x - 3). We FOIL these together to get

x^2-3x-7x+21 which simplifies to

x^2-10x+21 and we distribute in the 4:

4(x^2-10x+21) to get

4x^2-40x+84 which is another way to write the last choice you're given.

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The area of a rectangular painting is 1/6 square yard. The width is 2/3 yard. What is the length of the painting use the formula
STatiana [176]

The length of the painting is 1/4.

According to the statement

we have to find the length of the rectangular painting with the help of the given information.

So, For this purpose, we know that the

The given information is:

The area of a rectangular painting is 1/6 square yard. The width is 2/3 yard.

And we have to use the formula

Area = Length * Breadth

So, Substitute the values in it then solve

So,

Area = Length * Breadth

1/6= Length * 2/3

1/6 = 2L/3

1 = 12L/3

1 = 4L

L = 1/4.

The value of the length is 1/4.

So, The length of the painting is 1/4.

Learn more about area of a rectangle here

brainly.com/question/2607596

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4 0
1 year ago
An exam will consist of True-False questions worth 3 points each and short essay questions worth 11 points each. Write an expres
podryga [215]

Answer:

T3+E11

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
If y = 6, then what is the value of x if(y = 5x – 6)?<br> A. 7 1/5<br> B. 7<br> C. 2 2/5<br> D. 0
Bond [772]

9514 1404 393

Answer:

  C.  2 2/5

Step-by-step explanation:

Put in the given value of y and solve for x.

  6 = 5x -6

  12 = 5x . . . . . . . . . add 6

  12/5 = x = 2 2/5 . . . divide by 5, express as mixed number

6 0
2 years ago
Plz help I don’t understand how to do this problem
kkurt [141]

Answer:

  • a) 6
  • b) 3t² - 17t + 28
  • c) 3t² - 5t - 2

Step-by-step explanation:

<u>Given function:</u>

  • g(t) = 3t² - 5t + 4

a)  g(2)

  • g(2) = 3*2² - 5*2 + 4 =
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  •          6

b)  g(t - 2)

  • g(t - 2) = 3(t - 2)² - 5(t - 2) + 4 =
  •               3(t² - 4t + 4) - 5t + 10 + 4 =
  •               3t² - 12t + 12 - 5t + 16 =
  •               3t² - 17t + 28

c)  g(t) - g(2)

  • g(t) - g(2) = 3t² - 5t + 4 - 6 =
  •                   3t² - 5t - 2
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2 years ago
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Answer:

D not enough information

is the correct answer

Step-by-step explanation:

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