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Allisa [31]
3 years ago
12

What are the answers to 18-38

Mathematics
1 answer:
anygoal [31]3 years ago
4 0
The answer to your question is 20
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Is (x-3) a factor of f(x) = x^2 - 32?
Leokris [45]

Answer:

No

Explanation:

Here, we want to use the factor theorem to check if the given linear expression is a factor of the binomial

Now, according to the factor theorem, a factor of a polynomial would leave no remainder when divided by it

Mathematically, it means when we substitute the factor value into the polynomial, it is expected that the remainder is zero is the substituted is a factor of the polynomial

We set x-2 to zero:

\begin{gathered} \text{ x-2 = 0} \\ x\text{ = 2} \end{gathered}

Now, we substitute 2 into the polynomial as follows:

f(2)\text{ = }2^2-32\text{ = 4-32 = -28}

There is a remainder of -28 and thus, the linear factor is not a factor of the binomial

3 0
1 year ago
A circle is described by the equation x2 + y2 + 14x + 2y + 14 = 0. What are the coordinates for the center of the circle and the
Alona [7]
We are given the expression of the equation of a circle that is x2 + y2 + 14x + 2y + 14 = 0. Using ocmpleting the squares: 
x2 + y2 + 14x + 2y + 14 = 0(x+7)^2 + (y+1) ^2 = -14 + 49 + 1(x+7)^2 + (y+1) ^2 = 36 center thus is at (-7,-1) and the radius is equal ot square root of 36 equal to 6. 
7 0
3 years ago
Read 2 more answers
6+3-4×2 using the order of operations
ANEK [815]
6+3-4x2 [we do 4x2 first because it's multiplication]
6+3-8
since we're left w addition and subtraction, we solve from left to right as usual.
9-8
= 1
i hope this helps bby! x
5 0
3 years ago
Read 2 more answers
I have no idea how to do this please helo
sesenic [268]

Step-by-step explanation:

(x - 2) \times 180 \\ (10 - 2) \times 180 = 8 \times 180  \\  = 1440 \\ forone \: angle =  \frac{1440}{10}  = 144 \\ thank \: you

3 0
2 years ago
Read 2 more answers
Rosie is investigating factor pairs.
JulsSmile [24]

Answer:

28

Step-by-step explanation:

7 0
3 years ago
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