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Umnica [9.8K]
3 years ago
11

Find the length of line segment A (-2,3) B (2, 1)

Mathematics
1 answer:
Gekata [30.6K]3 years ago
6 0
Find the distance between points A-2; 3, B2; 1:

d = √<span>(<span>xb</span> - <span>xa</span>)2 + (<span>yb</span> - <span>ya</span>)2</span> = 

= √<span>(2 - (-2))2 + (1 - 3)2</span> = 

= √<span>42 + (-2)2</span> = √16 + 4 =


<span>= <span>√20</span><span><span> </span></span></span>
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Only number 8 and show the work please?
bogdanovich [222]
Uh thats weird no make sense
6 0
3 years ago
The volume of a rectangular prism is 2x^3+9x^2-8x-36 with height x + 2. Using synthetic division, what is the area of the base?
navik [9.2K]

Answer:

Area of the base = 2x^2+5x-18

Step-by-step explanation:

We know that volume of rectangular prism = (Area of base) x (Height)

or [Area of base] = [Volume]/[Height]

So basically we need to divide given area by given height to find the answer.

given height is (x+2) that means (x+2) must be factor of volume equation

or x=-2 must be root of volume equation so write down coefficients of volume equation then we divide by -2 as shown in attached picture.

Last digit on the right is always remainder.

Remaining coefficients {2, 5, -18} will give the area equation: 2x^2+5x-18

Hence final answer is:

Area of the base = 2x^2+5x-18


5 0
3 years ago
Use the elimination method to solve 4x+8y=16 4x-8y=0
Rina8888 [55]

Answer:

x=2, y=1

Step-by-step explanation:

4x+8y=16

4x-8y=0

Add the two equations together:

8x=16

Divide both sides by 8:

x=2

Plug this back into one of the original equations to find y:

4(2)-8y=0

8-8y=0

y=1

Hope this helps!

3 0
2 years ago
Read 2 more answers
HELP me pleaseeeee please
siniylev [52]

Answer:

the answer is C (0, -9)

Step-by-step explanation:

to find y-intercept we need to keep the value x=0

in the given equation

6 0
2 years ago
The daily calorie intake for a rider in the Tour de France is 3500 calories. If the race for the day is 4 hours, about how many
stepan [7]

Answer:

875 calories per hour

Step-by-step explanation:

To find out how much calories would be used per hour you have to divide 3500 calories by 4 hours to get 875 calories. Hope this helps :)

4 0
3 years ago
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