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3 years ago

Somebody help me ASAP

Mathematics

1 answer:

xeze [42]3 years ago

8 0

Answer:

10.5

Step-by-step explanation:

14/4 = 3.5

7/2 = 3.5

N/3 = 3.5

N = 10.5

Pls mark Brainiest :)

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Explain how to easily decide whether x - 6 is a factor of the polynomial P(x) = x ^ 7 - 5x ^ 5 + 2x ^ 4 - x ^ 2 + 9 without perf

madreJ [45]

$\text{According to the factor theorem,}\\\\x-a~ \text{is a factor of}~ f(x)~ \text{if}~ f(a) = 0, ~ \text{where}~ a \in\mathbb{R}\\\\\text{Given that,}\\ \\P(x) = x^7 -5x^5 +2x^4 -x^2 +9\\\\P(6) = 6^7 -5\cdot 6^7 +2 \cdot 6^4 -6^2 +9 = 243621 \neq 0\\\\\text{Since} ~ P(6)\neq 0~, ~ x -6 ~ \text{is not a factor of P(x).}$

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2 years ago

Delicious77 [7]

Answer:

962

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3 years ago

For what values of x will (x, y) be a solution of the system of equations below: y = x2 + 3x -3 2x - 1 = y

ozzi

hello :
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2x - 1 = y ..........(2)
subsct in (1) :
2x-1 = x² +3x -3
x² + x -2 = 0
(x+2 )(x-1 ) = 0
x+2=0 or x-1 = 0
x=-2 or x=1
if : x = -2 y = 2(-2)-1 =-2
if : x = 1 y = 2(1)-1 = 1
values of x will (x, y) be a solution of the system : (-2,-2),(1,1)

8 0

4 years ago

Need help with question

son4ous [18]

Answer:

2nd option is correct

Step-by-step explanation:

this would be using the ASA congruence theorem.

6 0

2 years ago

Last month, Lloyd's Systems analyzed the project whose cash flows are shown below. However, before the decision to accept or rej

Radda [10]

Answer:

C. $9.04

Step-by-step explanation:

The net present value of a cash flow C in year n at some interest rate r is given by ...

NPV = C·(1 +r)^(-n)

Adding the values of the different cash flows at the different interest rates, we get the results shown in the attached table. The NPV goes up by $9.04 when the cost of capital goes down.

_____

Additional comment

Neither WACC will cause this project to be rejected. If the WACC were to increase to 11.11%, then the project would have a zero return.

3 0

3 years ago