1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vova2212 [387]
2 years ago
12

Please help with question ​

Mathematics
2 answers:
Alenkasestr [34]2 years ago
6 0

Answer: 8 kilometers because the diameter is 2 times the radius which is D/2 which is 16/2 which equals 8 kilometers!

ICE Princess25 [194]2 years ago
4 0

Answer:

is obviously 8

You might be interested in
Please answer this question for me
Paul [167]

I GOT THIS ANSWER

IS THIS RIGHT?

8 0
3 years ago
Write the expression (a^8)2/3 in simplest form.
Harrizon [31]

Answer:

2a^8/3

Step-by-step explanation:

I hope it's correct

3 0
2 years ago
Find A and B. Using the image above.
NeX [460]

Answer:

a = 7, b = \frac{7\sqrt{3} }{3}

Step-by-step explanation:

Using the sine ratio in the left right triangle and the exact value

sin45° = \frac{1}{\sqrt{2} } , then

sin45° = \frac{opposite}{hypotenuse} = \frac{a}{7\sqrt{2} } = \frac{1}{\sqrt{2} } ( cross- multiply )

a × \sqrt{2} = 7\sqrt{2} ( divide both sides by \sqrt{2} )

a = 7

--------------------------------------------------------

Using the tangent ratio in the right triangle on the right and the exact value

tan60° = \sqrt{3} , then

tan60° = \frac{opposite}{adjacent} = \frac{a}{b} = \frac{7}{b} = \sqrt{3} ( multiply both sides by b )

b × \sqrt{3} = 7 ( divide both sides by \sqrt{3} )

b = \frac{7}{\sqrt{3} } × \frac{\sqrt{3} }{\sqrt{3} } = \frac{7\sqrt{3} }{3}

7 0
2 years ago
The length of human pregnancies from conception to birth varies according to an approximately normal distribution with a mean of
g100num [7]

Answer:

68% of pregnancies last between 250 and 282 days

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 266

Standard deviation = 16

What percentage of pregnancies last between 250 and 282 days?

250 = 266 - 16

250 is one standard deviation below the mean

282 = 266 + 16

282 is one standard deviation above the mean

By the Empirical Rule, 68% of pregnancies last between 250 and 282 days

4 0
3 years ago
Jeff typically makes three out of nine attempted free throws. What's the average waiting-time for Jeff to make his first basket,
miss Akunina [59]
3/9 = 1/3 Of The Free Throws & 11 Seconds To Shoot The Free Throw
4 0
3 years ago
Other questions:
  • The seismic activity density of a region is the ratio of the number of earthquakes during a given time span to the land area aff
    8·2 answers
  • 9 meters higher than altitude X
    6·1 answer
  • A. the series is absolutely convergent.
    12·1 answer
  • On 0
    5·1 answer
  • Four more than thrice a number is greater than forty
    5·1 answer
  • Jason has $70 in a savings account that earns 5% interest, compounded annually.
    8·2 answers
  • Given f(x) and g(x) = f(x) + k, use the graph to determine the value of k.
    10·1 answer
  • What is the measure, in degrees of angle X?
    8·1 answer
  • Ellen bought 18 boxes of paper clips. Each box had 150 paper clips. How many paper clips did Ellen buy
    10·2 answers
  • The value of stock changes from $22 on Monday to $30 on Tuesday. Calculate the percent increase.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!