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KatRina [158]
3 years ago
14

Which table does not represent a function?

Mathematics
1 answer:
andrew-mc [135]3 years ago
4 0

the correct option is answer choice D, because there are multiple 2's in the x column with different f(x) values.

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Find the coordinates of the other endpoint when you are given the midpoint (point M) and one of the endpoints (point P)
satela [25.4K]
The known endpoint is P = (-16,0)

Let Q = (x,y) be the other endpoint. It is unknown for now.

Looking at the x coordinates of P and Q, we see that they are -16 and x respectively. Adding these values up gives -16+x. Dividing that result by 2 gives (-16+x)/2. This result is exactly equal to the midpoint x coordinate, which is the x coordinate of M (0). 

So we have this equation (-16+x)/2 = 0. Let's solve for x

(-16+x)/2 = 0
2*(-16+x)/2 = 2*0
-16+x = 0
x-16 = 0
x-16+16 = 0+16
x = 16

Therefore the x coordinate of point Q is 16.

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

Let's do something similar for the y coordinates.

The y coordinates of P and Q are 0 and y respectively. Add them up and divided by 2, then set the result equal to -16 (y coordinate of midpoint M) getting this equation (0+y)/2 = -16

Solve for y

(0+y)/2 = -16
y/2 = -16
2*y/2 = 2*(-16)
y = -32

The y coordinate of point Q is -32

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

The point Q goes from (x,y) to (16, -32)

Final Answer: (16, -32)
3 0
3 years ago
A class of 25 students took a math test. Ten students had an average of 88. The other students had an average of 76. What is the
VLD [36.1K]

The answer is B. 80.8

8 0
3 years ago
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Provide the first six terms of the following sequence:<br><br> t1=81 tn=1/3tn-1
Andrews [41]

We get tne n-th term with: tn=1/3tn-1

We know that the first term is t1=81, so 81=1/3t*1-1

81=1/3t-1

82=1/3t

82*3t=1

3t=1/82

t=1/82*3=1/246

The second term is: 1/

2*(1/246)*2)-1

We get the third term by replacing n with 3 and so on...

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3 years ago
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The window of a room is 20m long and 14m wide. If the carpenter works to
Gnoma [55]

Answer:

Length =20 m

Breadth =14 m

Perimeter =2(l+b)

2(20+14)=2*34=68 m

Given cost per m =120 rs

Then the total cost =68*120=8160 rs

Step-by-step explanation:

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6 0
3 years ago
Toby has a suitcase. The suitcase’s length is 5 inches and the width is 8 inches. Find the area of a suit case.
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Step-by-step explanation:

area = lenght × breadth

area = 5×8

area = 40

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3 years ago
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