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rewona [7]
3 years ago
14

F(x)=x^2-2x-3 (so I need the done in like 20 min)

Mathematics
1 answer:
maks197457 [2]3 years ago
7 0

Vertex point: (1, -4)

X-intercepts: (-1, 0) , (3, 0)

Y-intercept: (0, -3)

Axis of symmetry: x = 1

This function will create a parabola that opens upwards. I’m not entirely sure what I was supposed to answer. Hopefully this covered it. I’ll attach an image of the parabola in case I missed anything.

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The expression for finding the perimeter of a octogon with equal sides is8 where s is the length of one side . Evaluate this exp
Sav [38]

Answer:

  48 inches

Step-by-step explanation:

Put the value of the variable where the variable is in the expression and do the arithmetic.

  P = 8s

  P = 8(6 in)

  P = 48 in

The perimeter of the octagon is 48 inches.

7 0
3 years ago
Given f(x) = 3x^3+ kx – 11, and x – 1 is a factor of f(x), then what is the value<br> of k?
STatiana [176]

let's recall the remainder theorem.

we know that (x-1) is a factor, that means x -1 = 0 or x = 1.

since we know that (x-1) is a factor, then dividing the polynomial by it will give us a remainder of 0, which correlates with saying that f(1) = 0, in this case, so we can simply plug in "1" as the argument, knowing it gives 0.

f(x)=3x^3+kx-11\\\\[-0.35em]~\dotfill\\\\\stackrel{0}{f(1)}=3(1)^3+k(1)-11\implies \stackrel{f(1)}{0}=3+k-11\implies 0=-8+k\implies 8=k

7 0
2 years ago
How do u simlpify 6feet/8yards?
Julli [10]
Well, there are 3 feet in a yard. So, 3ft=1yrd. Multiply the length value by 3. You could also multiply 3 by the # of yards (or in this situation, 8) Is that good enough?
5 0
3 years ago
What is<br> 5 1/6 - 5 1/2
Ymorist [56]

Answer:

1/3

Step-by-step explanation:

51/6 = 51/6

51/2= 5 3/6

= 2/6

6 0
3 years ago
Read 2 more answers
Please explain or show how you got the answer
natka813 [3]
The answer is D) $0.15

James spent: $2.65
On 5 box of markers and 1 erase
So I divided 2.65 by 5 and got .15
$2.65 ÷ 5 = 0.15
So he spent $2.50 on markers an $0.15
Erasers

Based of James, Becky spent a dollar on. 2 boxes of markers
And $0.45 on 3 erasers

Hope I helped if so mark me as brainliest
3 0
3 years ago
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