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GarryVolchara [31]
3 years ago
10

Zoe had a board 5 1/4 feet long she cut off a piece now the board is 3 5/6 feet long how long was the piece she cut off

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

5 1/4-3 5/6=1 5/12

Hope this helped!!! :P

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Find k if (x+1) 2x^3+kx^2+1
Viktor [21]
<h2>Question:</h2>

Find k if (x+1) is a factor of 2x³ + kx² + 1

<h2>Answer:</h2>

k = 1

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

The factor of a polynomial F(x) is another polynomial that divides evenly into F(x). For example, x + 3 is a factor of the polynomial x² - 9.

<em>This is because;</em>

i. x² - 9 can be written as (x - 3)(x + 3) which shows that both (x - 3) and (x + 3) are factors.

ii. If x = -3 is substituted into the polynomial x² - 9, the result gives zero. i.e

=> (-3)² - 9

=> (9) - 9 = 0

Therefore, if (x + a) is a factor of a polynomial, substituting x = -a into the polynomial should result to zero. This also means that, if x - a is a factor of a polynomial, substituting x = a into the polynomial should give zero.

<em><u>From the question</u></em>

Given polynomial: 2x³ + kx² + 1

Given factor: x + 1.

Since x + 1 is a factor of the polynomial, substituting x = -1 into the polynomial should give zero and from there we can calculate the value of k. i.e

2(-1)³ + k(-1)² + 1 = 0

2(-1) + k(1) + 1 = 0

-2 + k + 1 = 0

k - 1 = 0

k = 1

Therefore the value of k is 1.

3 0
2 years ago
8-m/n +p^2 when m=8,n=2,p=2
expeople1 [14]

8 - m/n + p^2

8 - 8/2 + 2^2

8 - 4 + 4

4 + 4

8

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

8 0
3 years ago
What is 4/9 equivalent to ?
Marianna [84]
8/18 because just times them by 2 and it will be 8/28.
3 0
3 years ago
Read 2 more answers
hazel prepared 6/8 liter os juice and 5/8 liter of guyabano juice.how many liters of juice did she prepare in all
SIZIF [17.4K]

Answer:

Step-by-step explanation:

i believe you just have to add the fractions together since the denominator are the same :)

\frac{6}{8}  + \frac{5}{8} = \frac{6 + 5}{8} = \frac{11}{8}

So in total Hazel can produce \frac{11}{8} Liters of juice

5 0
3 years ago
A jar of marbles contains the following: two red marbles, three white marbles, five blue marbles, and one green marble.
Lady_Fox [76]

Answer:

5/11

Step-by-step explanation:

5 blue marbles and 11 total marbles

3 0
3 years ago
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