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3 years ago

Please help D says (-20,-4)

Mathematics

1 answer:

Aleksandr [31]3 years ago

6 0

Answer:

I think its (1,-1)

tell me if i a correct

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How to prove a midpoint on the line

Fed [463]

Answer:

To show that M is really the midpoint of the line segment PQ, we need to show that the distance between M and Q is the same as the distance between M and P and that this distance is half the distance from P to Q

Step-by-step explanation:

The midpoint M is then defined by M = ((x + X)/2,(y + Y)/2)

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3 years ago

Why does 4,2,3,5 have in common that are the same numbers

Harman [31]

Because it's 2,3,4,5,

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3 years ago

Divide 70 in the ratio 2:5

Serggg [28]

Answer:

Step-by-step explanation:

20:50

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3 years ago

Your cell phone plan cost $39.99 per month plus $.13 for each text message you send or receive. You have at most $45 to spend on

Dafna11 [192]

Answer:

At most 38 text messages.

Step-by-step explanation:

Let x represent number of text message you send or receive.

We have been given that the cell phone plan charges $.13 for each text message you send or receive. So amount charged for sending or receiving x text messages would be $0.13x$ .

We are also told that your cell phone plan cost $39.99 per month, so total cost of monthly bill would be $0.13x+39.99$ .

Since you can spend at most $45, so total cost of x messages should be less than or equal to 45 as:

$0.13x+39.99\leq 45$

$0.13x+39.99-39.99\leq 45-39.99$

$0.13x\leq 5.01$

$\frac{0.13x}{0.13}\leq \frac{5.01}{0.13}$

$x\leq 38.5384615$

Therefore, you can send or receive at most 38 text messages.

8 0

3 years ago

B is the midpoint of AC, AB = 3x - 8 and BC = x + 4. Find AB

3241004551 [841]

Since b is the midpoint BC is half the line so we can set up this equation

x+4+X+4=3x-8

and then solve like normal

2x+8=3x-8

16=x

once you have x then solve x+4

16 + 4 =20

AB is 20

8 0

4 years ago