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777dan777 [17]
4 years ago
7

What is the product of the polynomials shown below?

Mathematics
2 answers:
Sindrei [870]4 years ago
8 0

Answer:

B. 14x^3+39x^2+18x+20

Step-by-step explanation:

Given polynomials are:

(7x^2+2x+4)(2x+5)\\For\ product\\(2x+5)(7x^2+2x+4)\\= 2x(7x^2+2x+4)+5(7x^2+2x+4)\\= 14x^3+4x^2+8x+35x^2+10x+20\\Combining\ alike\ terms\\= 14x^3+4x^2+35x^2+8x+10x+20\\=14x^3+39x^2+18x+20

The product of given polynomials is:

14x^3+39x^2+18x+20

Hence, Option B is correct ..

Stells [14]4 years ago
4 0

Answer:

B.  14x^3 + 39x^2 + 18x + 20.

Step-by-step explanation:

(7x^2 + 2x + 4)(2x + 5)

= 2x(7x^2 + 2x + 4) + 5(7x^2 + 2x + 4)

Distribute over the 2 parentheses:

= 14x^3 + 4x^2 + 8x + 35x^2 + 10x + 20

Add like terms:

= 14x^3 + 39x^2 + 18x + 20.

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A certain quadratic function has the factors
olganol [36]

Answer:

D

Step-by-step explanation:

If those two functions are the factors of a quadratic, then each of them can be equated to 0 to find the roots. Sometimes the roots are called the zeros.

2x - 5 = 0                       Add 5 to both sides

2x - 5 + 5 = 0 + 5           Combine

2x = 5                             Divide both sides by 2

2x/2 = 5/2

x = 5/2

You don't really have to find the other factor's 0 point. There is only 1 option that makes x = 5/2. On a test, it is important to take short cuts and save time.  I'll find the other root anyway because this is not a test.

3x + 4 = 0                           Subtract 4 from both sides

3x + 4-4 = 0 - 4                  Combine

3x = - 4                               Divide both sides by 3

3x/3 = - 4/3

x = - 4/3

7 0
2 years ago
Pls help with this for brainliest answer
TiliK225 [7]

Answer:

the answer is 12pie

Step-by-step explanation:

6mm is radius

circumference is ×2

so its 12

4 0
3 years ago
Read 2 more answers
Tammy accidentally wrote a check for more money than she had in her checking account. When she got her statement, she saw that h
Leviafan [203]

Answer:

If the money deposited is higher than the amount owed then the new balance is her current deposition-het owed money

3 0
3 years ago
Parallelogram H G J L is shown. Diagonals are drawn from point H to point J and from point G to point L and intersect and point
Ghella [55]

Answer:

50 units.

Step-by-step explanation:

It is given that HGJL is a parallelogram and diagonals intersect each other at point K.

HK=c-7,JK=3c-33,GK=c+12

We now that diagonals of parallelogram bisect each other. So,

HK=JK

c-7=3c-33

33-7=3c-c

26=2c

Divide both sides by 2.

13=c

Now,

GK=c+12=13+12=25

Diagonals of parallelogram bisect each other. So,

GL=2(GK)=2(25)=50

Therefore, the measure of GL is 50 units.

4 0
3 years ago
Read 2 more answers
An animal shelter spends $2.35 per day to care for each cat and $5.50 per day to care for each
lora16 [44]
Equation:
89.50=2.35c+5.50d

If theres 22 dogs and cats in total you can plug in number less than 22 for c(# of cats) and d(# of dogs).

So we try pats numbers 8 cats and 14 dogs so

89.50=2.35(8)+5.50(14)

89.50=18.8+77

89.50=95.8

So pats numbers were wrong so we try different numbers

So i started pluging in numbers from under 22 so i got c is 10 and d is 12 lets try it with the equation

89.50=2.35(10)+5.50(12)

89.50=23.5+66

89.50=89.50 so it works the answer to how many number of dogs and cats is 12 dogs and 10 cats




6 0
3 years ago
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