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Crazy boy [7]
3 years ago
7

F(x) = (x - 4)(x + 5)

Mathematics
1 answer:
drek231 [11]3 years ago
6 0

Answer:

x  

2

+x−20

Step-by-step explanation:

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59 POINTS!!!! Show all work and circle your final answer for credit.
devlian [24]

Answer:

Exact Form:

\frac{\sqrt{10} }{4}

Decimal Form:

0.79056941

8 0
2 years ago
Part A- Create a fourth degree polynomial in standard form. How do you know it is in standard form?
Alexeev081 [22]

Answer:

(a)2x^4-9x^3+x^2+x-5

Step-by-step explanation:

(a)The degree of a polynomial is the highest power of the unknown variable in the polynomial.

A polynomial is said to be in standard form when it is arranged in descending order/powers of x.

An example of a fourth degree polynomial is: 2x^4-9x^3+x^2+x-5

We know the polynomial above is in standard form because it is arranged in such a way that the powers of x keeps decreasing.

(b)Polynomials are closed with respect to addition and subtraction. This is as a result of the fact that the powers do not change. Only the coefficients

change. This is illustrated by the two examples below:

(2x^5-3x^2+x)+(3x^5-5x^2)\\=2x^5-3x^2+x+3x^5-5x^2\\=5x^5-8x^2+x\\$Similarly\\(2x^5-3x^2+x)-(3x^5-5x^2)\\=2x^5-3x^2+x-3x^5+5x^2\\=-x^5+2x^2+x

The degrees do not change in the above operations. Only the number beside each variable changes. Therefore, the addition and subtraction of polynomials is closed.

7 0
2 years ago
Using the picture below, which of the following algebraic expressions could be shown by the picture?
Alex787 [66]

Answer:

C

Step-by-step explanation:

Possibly F also, if that is a multiplication dot in between

3 0
2 years ago
I need someones help . No cap Look at my profile and go to questions and the ones tht have no answers are the ones i need help o
Anna [14]

Answer:

alr bet ill try :)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Monday<br> What time is 5 3/4 hours after<br> 11:32 pm?
Marina86 [1]

bearing in mind that the an hour has 15 + 15 + 15 + 15 = 60 minutes, so 15 minutes in 1/4 of an hour, thus 45 minutes is 3/4 of an hour.

now, from 11PM, if we add the 5 hours first, we'll be at 4AM, pass midnight of course.

now let's add the minutes, 32 and then 45, that gives us 77 minutes.

so the time will be 4AM plus 77 minutes, since 60 minutes is 1 hr, so 4AM plus 1 hr and 17 minutes, that'd be 5:17AM.

6 0
2 years ago
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