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den301095 [7]
3 years ago
8

How to solve this equation please I need help?

Mathematics
1 answer:
Vesna [10]3 years ago
5 0

1st row    5   -7   -1

2nd row    -2    4    -5

3rd row     -6    0   3

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A. y = - 1/4x +9
Vikentia [17]
It's B= 1/4x+6 because I solve it
6 0
3 years ago
Find the circumference of the circle shown below if the diameter equals 20 inches. Use 3.14 for π.
Rasek [7]

Answer:

62.83

because you take 20, divide it by 2 to get the radius then you have the equation 2π(10)

3 0
3 years ago
As Sally was shopping for a turkey tree for Thanksgiving, she looked at 48 trees. Of those, she found that 7/8 of them were too
djverab [1.8K]

Answer:

<h2>42 trees</h2>

Step-by-step explanation:

<h3>48/1 x 7/8 = 6/1 x 7/1 (Simplify 48 and 8 because they have the common factor of 8)=42/1= 42</h3>
8 0
3 years ago
Read 2 more answers
Which number is a multiple of 4?<br> A. 26<br> B. 32<br> C. 14<br> D. 22
ivolga24 [154]

Answer:

B) 32

Step-by-step explanation:

8 x 4 = 32

6 0
3 years ago
HELP.... please??????????????
Nostrana [21]

Answers:

Functions

  • y = -x+11
  • y = 2x^2-6x+4
  • y = -7

Not functions

  • x = 3
  • x^2+y^2 = 81
  • y^2 = -5x-12

=======================================================

Explanation:

A function is possible if and only if any given x input leads to exactly one y output.

For something like x^2+y^2 = 81, we can see that x = 0 leads to either y = 9 or y = -9. So this would <u>not</u> be a function. We would need x to pair with only y value to have it be a function.

We have the same thing going on with y^2 = -5x-12 as well.

For anything of the form x = k, where k is any real number, this is also not a function. We have one single input only and it leads to infinitely many outputs. So in a sense, this is even worse compared to the other examples.

-----------------

In summary, we have these three non-functions:

  • x = 3
  • x^2+y^2 = 81
  • y^2 = -5x-12

Everything else is a function. You can use the vertical line test as a visual way to check.

8 0
3 years ago
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