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trapecia [35]
3 years ago
8

A class goes to a science museum. There is an exhibit which has a giant sphere that shows different weather patterns. The surfac

e area of the sphere is 24,316.16 ft. What is the radius of the sphere? Use 3.14 for pi.
Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0

Answer: sjsjsjdjffj

Step-by-step explanation:

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Ciara and Marcus are running a team relay race. Ciara runs twice as far as Marcus. Together they run 27 miles. How far did each
Mice21 [21]
Each person ran 13.5 miles
4 0
2 years ago
If a is the mean and b is the median of nine consecutive integers, what is the value of |a - bl?
pshichka [43]

Answer:

It would be zero.

Step-by-step explanation:

Let's for example look at this list : 123456789

The mean is 5, and the median would also be 5.

6 0
2 years ago
The population of a town is 15,000. It decreases at a rate of 8% per year. In about how many years
Paha777 [63]

Answer:

5

Step-by-step explanation:

If a population is decreasing by 8% we can multiply the population by 92% (1-.08)

which means we have the following equation

population=15000(.92)ⁿ

where n is the number of years

we want to know when the population will be 10,000 so we write

10,000=15,000(.92)ⁿ

.66667=.92ⁿ

a rule we have is

n=y^x\\log_yn=x

which means that

.66667=.92^n\\=log_{.92}.66667

compute this and get

4.867

round this up to 5

4 0
2 years ago
If u, v, and w are nonzero vectors in r 2 , is w a linear combination of u and v?
Tju [1.3M]
Not necessarily. \mathbf u and \mathbf v may be linearly dependent, so that their span forms a subspace of \mathbb R^2 that does not contain every vector in \mathbb R^2.

For example, we could have \mathbf u=(0,1) and \mathbf v=(0,-1). Any vector \mathbf w of the form (r,0), where r\neq0, is impossible to obtain as a linear combination of these \mathbf u and \mathbf v, since

c_1\mathbf u+c_2\mathbf v=(0,c_1)+(0,-c_2)=(0,c_1-c_2)\neq(r,0)

unless r=0 and c_1=c_2.
8 0
3 years ago
Find the simple interest: Principal: $650 Interest Rate: 14% Time: 4 years​
andrew11 [14]

Answer:

292.50 dollars

Step-by-step explanation:

P = 650 is the the principal.

r = 0.09 is the interest rate in decimal form.

t = 5 is the number of years.

i = 650*0.09*5

i = 292.50 is the simple interest.

5 0
3 years ago
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