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Nesterboy [21]
3 years ago
10

Can someone help me, what do I put in the 4 boxes below?

Mathematics
1 answer:
kolezko [41]3 years ago
7 0

Answer:

so simple pls follow up..

Inbox me

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What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+?
strojnjashka [21]

Answer:

B. 121

Step-by-step explanation:

Complete the square.

Take half of the middle term, 22, and square it.

So 11^2 = 121.

3 0
3 years ago
if there is 27 marbles in a bag and the amount of red marbles is 5 less than 3 times the amount of blue marbles how many marbles
alexira [117]

Answer:

54

Step-by-step explanation:

5-3=2

so you multiply 2 times 27.

2 times 27 is 54

8 0
3 years ago
Which expressions are equivalent to 7b(3+c) ?
Alex777 [14]

Answer:

The correct answer is B- 21b+7bc

Step-by-step explanation:

7b(3+c)

(7b)(3+c)

(7b)(3)+(7b)(c)

21b+7bc

4 0
3 years ago
Read 2 more answers
The diagram shows a part of a regular 10 sided polygon<br> work out the size of the angle marked x
OverLord2011 [107]

Answer:

b

Step-by-step explanation:

b

7 0
3 years ago
Find the​ fourth-degree polynomial function with zeros 4​, -4, 4i ​, and -4i . Write the function in factored form.
Iteru [2.4K]

Given:

A fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i .

To find:

The fourth-degree polynomial  function in factored form.

Solution:

The factor for of nth degree polynomial is:

P(x)=(x-a_1)(x-a_2)...(x-a_n)

Where, a_1,a_2,...,a_n are n zeros of the polynomial.

It is given that a fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i. So, the factor form of given polynomial is:

P(x)=(x-4)(x-(-4))(x-4i)(x-(-4i))

P(x)=(x-4)(x+4)(x-4i)(x+4i)

P(x)=(x-4)(x+4)(x^2-(4i)^2)           [\because a^2-b^2=(a-b)(a+b)]

On further simplification, we get

P(x)=(x-4)(x+4)(x^2-4^2i^2)

P(x)=(x-4)(x+4)(x^2+16)                [\because i^2=-1]

Therefore, the required fourth degree polynomial is P(x)=(x-4)(x+4)(x^2+16).

6 0
3 years ago
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