2 years ago

What is a parabola? pls help because i need this quick.

1 answer:

3 0

A parabola is a curved shape in a graph that has either a maximum or a minimum (which is the fixed point) and any point is equidistant from that fixed point. You can tell it is a parabola because most likely in an equation the x with be squared.

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A car is driving at 100 kilometers per hour. How far does it travel in 2 seconds?

Alisiya [41]

Answer:

$\frac{1}{18}\ km$ or $\frac{500}{9}\ m$

Step-by-step explanation:

Remember that

1 hour=3,600 seconds

by using proportion

$\frac{100}{3,600}\frac{km}{sec} =\frac{x}{2}\frac{km}{sec} \\ \\x=2*100/3,600\\ \\x=\frac{1}{18}\ km$

Convert to meters

$(1,000)*(\frac{1}{18})=\frac{500}{9}\ m$

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2 years ago

Find the value of x

Alexeev081 [22]

Answer:

Step-by-step explanation:

180-30=150

150/2=75

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2 years ago

What is the answer to this problem that I am having trouble with?

Gnesinka [82]

9514 1404 393

Answer:

see attached

Step-by-step explanation:

Read the values from the graph in the usual way: find the x-coordinate, then locate the point on the graph and find its y-coordinate.

You find the y-coordinate by following the horizontal line to the y-axis, where the numbers are.

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2 years ago

a square swimming pool has a cement sidewalk around it. The sidewalk is the same width all the way around. The outside perimeter

VLD [36.1K]

Answer:

175 square feet

Step-by-step explanation:

the area of the whole thing is 400 ft. (20 x 20=400)

i got the 20 from the perimeter b/c 20+20+20+20=80

then subtract the area of the pool from 400 to get 175.

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2 years ago

Tyler has a lizard named Larry. Tyler wants to build a rectangular pen for Larry to run

QveST [7]

Answer:

You can go for 1x9, 2x8, 3x7, 4x6, 5x5.

5x5 is the best as it builds a square, which maximizes space.

20*2.50 = $50.

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2 years ago