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postnew [5]
3 years ago
10

Use the following long division.

Mathematics
2 answers:
KIM [24]3 years ago
4 0
It must be A cause if it was one then it would have to be 1x1 or it would have to be 3x1
damaskus [11]3 years ago
4 0

Answer:

it is A.

Step-by-step explanation:

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the coordinates of the vertex of a parabola in the xy-plane are (-4,k). If the y-intercept of the parabola is 12 and the parabol
svp [43]

The value of k is (A) 20/3.

<h3>What is a parabola?</h3>
  • A parabola is a planar curve that is mirror-symmetrical and roughly U-shaped in mathematics.
  • It fits various seemingly disparate mathematical descriptions, all of which can be shown to define the same curves.
  • A point and a line are two ways to describe a parabola.

To find the value of k:

  • y - b = c (x - a)²

Where (a, b) is the vertex and c is the constant.

  • (a, b) = (-4, k)
  • y - k = c (x - (- 4))²
  • y - k = c (x + 4)²

So,

  • x = 0, y = 12
  • 12 - k = 16c
  • k = 12 - 16c  ...... (1)

Then,

  • (-3, 7) = (x, y)
  • 7 - k = c (1)²
  • k = 7 - c  ...... (2)

Now,

  • 12 - 16c = 7 - c
  • 12 - 7 = 16c - c
  • 5 = 15c
  • c = 5/15 = 1/3

So, the value of k:

  • k = 12 - 16 (1/3) = 12 - 16/3 = 36-16/3 = 20/3

Therefore, the value of k is (A) 20/3.

Know more about a parabola here:

brainly.com/question/4061870

#SPJ4

The complete question is given below:

The coordinates of the vertex of a parabola in the XY plane are (-4,k). If the y-intercept of the parabola is 12 and the parabola passes through the point (-3,7), then what is the value of k?

(A) 20/3

(B) 16/5

(C) 14/3

(D) 12/5

5 0
1 year ago
Solve (x - 5)2 = 3.<br> A. x = 5 + 1/3<br> B. X=-5313<br> C. x = 8 and x = -2<br> D. X = 3 + -15
Luden [163]

Answer:

none of the above, x=13/2

Step-by-step explanation:

(x-5)2= 3

2x_10=3

2x=13

x=13/2

5 0
3 years ago
Sarah cuts a piece of rope that is 4.5 feet long.
icang [17]

Answer:

4.5 feet = 1.5 yards

Step-by-step explanation:

1 yard equals 3 feet

Then:

1 ----- 3

x -----4.5

x = 4.5/3 = 1.5 yards

Hope this helps

3 0
2 years ago
How to rewrite 2+2+2+2+2 into a multiplication problem?
inna [77]

Answer:

2 x 5

Step-by-step explanation:

Think of it as "the value 2 is being added together 5 times" being added together so it could be written as 2 times 5.

5 0
3 years ago
Read 2 more answers
What is the best estimate for the product of 289 and 7
navik [9.2K]
The answer is 296 hope it helps
5 0
3 years ago
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