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Schach [20]
3 years ago
7

Find the length of a segment in the coordinate plane with endpoints (-1 , 2) and (4 , -6).​

Mathematics
1 answer:
Kobotan [32]3 years ago
4 0

Answer:

7

Step-by-step explanation:

If you graph the points and count the points from one coordinate to the other, you get 7.

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Help please!
Anna71 [15]

Answer:

y= -4x^2 + 15x - 14

Step-by-step explanation:

A parabola is always in the form y = ax^2 + bx + c.

Substitute each point to produce different equations:

-14 = 0a + 0b + c = c

so c = -14

-3 = a1^2 + b1 + c = a + b - 14

so a + b = 11

0 = a2^2 + b2 + c = 4a + 2b -14 = 0

so 4a + 2b = 14

if we double a + b = 11 we get 2a + 2b = 22

Subtract this from 4a + 2b = 14 and we get 2a = -8 so a= -4 and b = 11 - a = 15

We don't need to use the (3,5) points as we have all the information we need.

4 0
3 years ago
Read 2 more answers
Lamonte has 80 cents, Maggie has 3/4 of a dollar Gus is has two dimes and a nickle, and beau has six six dimes. Who has the most
Ulleksa [173]

beau has the most money

hope this helps

6 0
3 years ago
A hair salon charges a fixed rate of $25.00 for a haircut and then an additional $15 for any other services. Write a function to
Taya2010 [7]
Simple,

you have a fixed rate of $25, meaning you get a haircut, it's $25

ANY other service is an extra $15

So, let's make the equation...

y=15x+25

Now, to just get a haircut it's $25.

But, let's say you get a haircut+shampoo

It'd be..

y=15(1)+25

y=$40

Another one..

You get a haircut+shampoo+highlight

y=15(3)+25

y=$70

And so on, and so forth.
3 0
3 years ago
Read 2 more answers
I need help<br> with this
qwelly [4]

Answer:

Step-by-step explanation:

x=√3, y= 3

3 0
3 years ago
How many constants are in the following expression?<br> 7x + 4y - 5 + 4x Help
ad-work [718]

Answer:

1

Step-by-step explanation:

-5 is a constant because its a number on its own without a variable

3 0
2 years ago
Read 2 more answers
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