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dezoksy [38]
2 years ago
13

Can i please get some help on this one?

Mathematics
1 answer:
snow_lady [41]2 years ago
5 0

Answer:

wht yr u in tis is too hard yk

Step-by-step explanation:

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Jakob is volunteering at the local animal shelter. After grooming some cats, the veterinarian on-site gave Jakob a slip of paper
jonny [76]
If Jakob has groomed 0.09 of the cats in the shelter, he has groomed 9% of the cats in the shelter.

We figure this out because we know that to convert a decimal to a percentage, we must multiply the decimal by 100 (equivalent to moving the decimal two places to the right).

0.09 * 100 = 9

Therefore, Jakob has groomed 9% of the cats in the shelter.

Hope this helps!
7 0
2 years ago
On a map ,1cm represents 30 miles. Find the actual distance between two cities if they are 5.2 cm apart on the map.
Vesna [10]
Multiply 5.2 x 30 and you get 156 miles
6 0
3 years ago
Lynne is 25 years old and starting and IRA (individual retirement account). She is going to invest $150 at the beginning of each
Yuri [45]
The future amount of Lynnes retirement account can be computed using the formula of amortization or annuity:
P = A[(1+i)^n-1)]/(i)
A= amortization
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Subsituting the variables in th formula, Future amount of Lynne in 40 years is equal to
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3 0
3 years ago
Read 2 more answers
HELP! 10 minutes!!!!!
kotykmax [81]

Answer:

this one 1/5 = 3 x a

Step-by-step explanation:

1/5 =3×a  (divied both side by 3)

a= 1/5 ÷3

4 0
3 years ago
Read 2 more answers
A package contains 12 resistors, 3 of which are defective. If 4 are selected, find the probability of getting
s344n2d4d5 [400]

Answer:

Incomplete question, but I gave a primer on the hypergeometric distribution, which is used to solve this question, so just the formula has to be applied to find the desired probabilities.

Step-by-step explanation:

The resistors are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

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)!}

In this question:

12 resistors, which means that N = 12

3 defective, which means that k = 3

4 are selected, which means that n = 4

To find an specific probability, that is, of x defectives:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = x) = h(x,12,4,3) = \frac{C_{3,x}*C_{9,4-x}}{C_{12,4}}

7 0
3 years ago
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