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
ValentinkaMS [17]
4 years ago
6

I WILL MARK THE BRAINLIEST!!! One math question. please explain as well

Mathematics
1 answer:
8090 [49]4 years ago
5 0
Surface area of a sphere=4pi(r^2)
Volume of a sphere=(4/3)pi(r^3)
You need to find the r value to calculate surface area, so I'll solve for that first.
(4/3)pi(r^3)=2254pi
(4/3)(r^3)=2254
r^3=1690.5
r=(1690.5)^(1/3), around 11.9126m
Substitute this in to find surface area
A=4pi(r^2)=4pi(11.9126)^2
=1783.2818 m^2
You might be interested in
Order the numbers from least to greatest: -6, 5, -5, 6, 0
Arturiano [62]
-6,-5,0,5,6 that is the order from least to greatest
3 0
3 years ago
According to the National Institute of Allergy and Infectious Diseases, approximately 7% of U.S. children 4 years of age or youn
Yuliya22 [10]

Answer:

0.337 = 33.7% probability that one of the eight children has a food allergy.

Step-by-step explanation:

For each children, there are only two possible outcomes. Either they have a food allergy, or they do not. The probability of a child having food allergy is independent of any other child. This means that we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

7% of U.S. children 4 years of age or younger have a food allergy.

This means that p = 0.07

A day care program has capacity for 8 children in that age range.

This means that n = 8

What is the probability that one of the eight children has a food allergy?

This is P(X = 1).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{8,1}.(0.07)^{1}.(0.93)^{7} = 0.337

0.337 = 33.7% probability that one of the eight children has a food allergy.

6 0
3 years ago
How to solve a log equation with variable in the exponent?
GREYUIT [131]
Example...

4^x = 16
log(4^x) = log(16)
x*log(4) = log(16)
x = log(16) / log(4)
6 0
3 years ago
Seven days ago, I put 60 jelly beans in a bowl. Now there are 4 jelly beans left. If I ate the same number of jelly beans each d
katrin [286]
If im right 60-8-8-8-8-8-8-8=4 so i think ur answer is 4
6 0
3 years ago
Read 2 more answers
Find the equation of the circle whose center and radius are given.
timama [110]

Answer:

(x-7)^2 + (y+3)^2 = 49

Step-by-step explanation:

The general equation for a circle is given by

(x-h)^2 + (y-k)^2 = r^2

where ( h,k) is the center and r is the radius

(x-7)^2 + (y- -3)^2 = 7^2

(x-7)^2 + (y+3)^2 = 7^2

(x-7)^2 + (y+3)^2 = 49

7 0
3 years ago
Read 2 more answers
Other questions:
  • 32x - 12.8 simplify plz
    11·2 answers
  • Find the area of Khianna's fish. I WILL GIVE YOU 90 POINTS. IF IT'S AN IRRELEVANT ANSWER JUST FOR POINTS IT WILL BE DELETED.
    7·1 answer
  • 16 − 3k + 4k − 14 solve
    14·2 answers
  • 9+10 ii am struggling really bad plz help.
    8·1 answer
  • PLEASE HELP ME ON THIS ONE I REALLY DONT KNOW HOW TO DO THIS AND I JUST CAME TO AMERICA SO I DONT KNOW HOW TO DO THESE THINGS CO
    9·1 answer
  • What would x equal( rounded to the nearest tenth)
    13·2 answers
  • A building 350 feet tall casts a shadow 1/2 mile long. How long is the shadow of a person five feet tall?
    13·1 answer
  • If possible please help! With 12
    12·2 answers
  • What is the answer to 4x + 3x
    10·1 answer
  • Please answer this and don’t put a link:)
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!