Plz help #s 13....14....15.....16....17......18

Answers

Answer 1

Answer: #14 is B, #16 is A, #17 is B #18 is C. I can't read #15 or #13. If you need to show work i will say in a differ comment.

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Arthur ran around a circular field 3 times. If he ran a total of 750m what is diameter and radius

Answers

Answer:

Hope this helped

Step-by-step explanation:

Circumference = 750 m / 3

Circumference 250 m

Circumference = pi * D where pi = 3.1415926 and D is the diameter in meters

Solving for the diameter

250 m = pi * D

D = 250 m / pi

D = 79.58 m is the diameter of the circular field

Solving for the radius

r = 1/2 D where r is the radius of the circular field

r = 39.59 m is the radius of the circular field

At hogan airport an airplane off 12 minutes how many airplane take off in 5 hours

Answers

25 Planes can take off. Divide 60 (minutes) by 12 and it should give you 5. Take that five and multiply it by the number of hours they are asking for (5). 5*5=25.

The standard normal curve shown here is a probability density curve for a continuous random variable. This means that the area underneath the entire curve is 1. What is the area of the shaded region between the two z-scores indicated in the diagram?

Answers

Answer with explanation:

The Curve given here is a probability density curve for a continuous random variable.

Area under the entire region of the curve = 1

Using the Standard normal table to obtain area occupied when Z values are given

Area of the normal curve, when ,Z =0.88, is =0.8106

Area occupied by normal curve ,when Z= -1.26, is =0.1038

So, Area of shaded Region

$Z_(0.88)-Z_(-1.26)=0.8106-0.1038\n\n=0.7068$

Option D:→ 0.7068

I used one of the statistical functions on my trusty TI-83 Plus calculator:

normcdf(-1.26, 0.88) = 0.707

Note that this is, as expected, between 0 and 1.

Can someone PLEASE explain how to do this problem for me: Write 54c^2/3 in radical form.

Answers

Interesting, middle school math? Wow.

Use the formula a^x/n= $\sqrt[n]{a}^x$

Making the equation look like this 54 $\sqrt[3]{c}^2$

(54c)^2/3 is

$\sqrt[3]{(54c)^2}$

Which expression is equivalent -4×4×4×4×4×4×4×4?

Answers

Answer:

$-\underbrace{4*4*4*4*4*4*4*4}_(8)=-4^8$

The guy below is correct!

How many times can 34 be subtracted from 986

Answers

986÷ 34= 29 times
Check 29× 34= 986
Hope this helped

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Greatest common factor of 6 and 8

Which is bigger 5/8 or 5/6?