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arlik [135]
3 years ago
13

What do roller coasters, astronaut training, and a curved shape of a dam all have in common?

Mathematics
2 answers:
nikdorinn [45]3 years ago
8 0
They all have an arched shape
Darya [45]3 years ago
4 0
<span>They take advantage of the properties of parabolas to make theme parks fun, train astronauts, and cut construction costs!
Hope this helps!<span>
</span></span>
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What is -6 &lt; x &lt; 2 written in interval notation?
wolverine [178]

Answer:

This implies the value of x lies between 2,-6

but it doesnot equal to 2,-6

x€(2,-6)

you can observe that ,they are open brackets

7 0
3 years ago
Barry is building a fence around rround his bacyard. The backyard is in the shape of a rectangle and the longest side of the yar
STatiana [176]

Answer:

10m

Step-by-step explanation:

Recall that the perimeter of a rectangle

= (2 x Long Side) + (2 x Short Side)

we are given that each of the long side = 20m and the perimeter is 60m

substituting these into the equation,

60 = (2 x 20) + (2 x Short Side)

60 = 40 + (2 x Short Side)      (subtract 40 from both sides)

60-40 = (2 x Short Side)

(2 x Short Side) = 20   (divide both sides by 2)

Short Side = 20 / 2 = 10m

3 0
3 years ago
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The height of a cone shaped statue is 9 feet and the diameter is 12 feet .what is the approximate volume of the statue?
dalvyx [7]

Answer:

113.04

Step-by-step explanation:

6*6=36

36*3.14=113.04

4 0
3 years ago
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Estimate 20 percent of 392 show your work
garri49 [273]
Use the equation(s)
392 x 20% OR 392 x 0.20
-----------------------------------------------
392 x 20% = 78.4
------------------------------------------------------------
78.4 is your answer
4 0
3 years ago
Please help me with #5 !?
Anastaziya [24]

Answer:

4/15

Step-by-step explanation:

to find out the portion that is shaded we can do the following:

1 - (1/3 + 2/5)

now we want a common denominator, we can use 15:

15/15 - (5/15 + 6/15)  →  15/15 - 11/15

the answer is 4/15

4 0
3 years ago
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