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Kazeer [188]
3 years ago
12

11. need help with this maths question

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0

Answer:

Step-by-step explanation:

Use your calculator

first times the 9 five times (9x9x9x9x9) then time it by the 177147.

then put that value in the

\sqrt[3]{x}

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Oduct of (x2 + 3)(x - 5).
Zanzabum

Answer: 2x^2-7x-15

Step-by-step explanation:

reorder the terms (x*2+3)*(x-5)

multiply the parentheses

(2x+3)*(x-5)

collect like terms (2x^2-10x+3x-15)

product= 2x^2-7x-15

8 0
3 years ago
If a polynomial function f(x) has roots -9 and 7-i, what must be a factor of f(x)
Likurg_2 [28]

Hello from MrBillDoesMath!

Answer:

x + 9 and (x + ( i - 7)) are factors

Discussion:

If f(x) has roots -9 and 7-i then

f(x) = g(x)(x - (-9))  (x - (7-i))            ( g(x) is a polynomial of degree less than f(x))

That is, x + 9 and (x + ( i - 7)) are factors of f(x)

BTW: if the coefficients of f(x) are real (not stated in the Question) then the conjugate of 7-i, i.e. 7 + i, is  also be a root.

Thank you,

MrB

3 0
3 years ago
Read 2 more answers
Please help help help!!!!!!​
kvasek [131]
<h2>Answer:</h2>

  • option (c) 2

<h2>Step-by-step explanation:</h2>

<u>First step</u> : Multiply

<u>Second step</u> : Add

9 × 2 + 3 + 6 + 9 = 36

\thereforeThe correct answer is 2.

3 0
1 year ago
Find the slope of the line that passes through (4.4) and (5,3)
Vera_Pavlovna [14]

Answer:

- 1

Step-by-step explanation:

Slope of the line

=  \frac{3 - 4}{5 - 4}  \\  \\  =  \frac{ - 1}{1}  \\  \\  =  - 1

7 0
3 years ago
Interval notation x=-2 or x=0
STALIN [3.7K]
I have a good record of guessing the right one so I would say #1.
3 0
3 years ago
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