3 years ago

Which conclusion about the pole vaulters scores is true?

Mathematics

1 answer:

77julia77 [94]3 years ago

6 0

I think b is the best conclusion

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When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Marina CMI [18]

Answer:

26414 gallons

Step-by-step explanation:

94x281=26414

4 0

2 years ago

In 1999, the share price for General Motors stock was $144 per share but has been declining at an average rate of 14% per year.

vodomira [7]

Answer: $5.22 (in the year 2021)

========================================================

Explanation:

The year 2021 is 22 years after 1999 since

2021 - 1999 = 22

That means we'll plug x = 22 into the equation given to us

P = 144*(0.86)^x

P = 144*(0.86)^22

P = 5.21588994768589 which is approximate

P = 5.22 rounding to the nearest cent

The share price is about $5.22 in the year 2021.

This assumes that the 14% decline keeps happening year after year; however, in reality, stocks are more complicated and fluctuate more randomly if anything.

7 0

2 years ago

Triangle ABC is similar to triangle DEF. Find the measure of side EF. Figures are not drawn to scale.

Svetach [21]

Answer:

KL is 1.2

JK Equal 2LK

and same thing in the first trangle

GH equal 2IH

7 0

2 years ago

What is the surface area of a cylinder with a diameter of 8 and a height of 18?Express the answer in terms of pi

viktelen [127]

Step-by-step explanation:

diameter: 8

radius: 4

height: 18

$A=2\pi rh+2\pi r^2\\A=2\pi(4)(18)+2\pi(4)^2\\A=2\pi(72)+2\pi(16)\\A=144\pi+32\pi\\A=176\pi$

4 0

3 years ago

A container contains 12 diesel engines. The company chooses 5 engines at random, and will not ship the container if any of the

Rufina [12.5K]

Answer: $\frac{^{10}C_5}{^{12}C_5}$

Step-by-step explanation:

Given a total of 12 diesel engines

out of which 2 are defective

Company have to choose 5 good engines to ship.

Therefore no of ways in good engines are selected is $^{10}C_5$

no of ways in which any 5 engines are selected from a total of 12 engines is

$^{12}C_5$

Therefore the required probability = $\frac{^{10}C_5}{^{12}C_5}$

= $\frac{7}{22}$ =0.318

3 0

3 years ago