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tia_tia [17]
3 years ago
8

What is the greatest common factor of 27 and 45?​

Mathematics
2 answers:
pychu [463]3 years ago
7 0

Answer:

9

Step-by-step explanation:

Gelneren [198K]3 years ago
5 0
The greatest common factor would be 9
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What is the midpoint of a segment whose endpoints are (-12, -7) and (8, -11)
TEA [102]
The midpoint is (-2, -9).

Using the midpoint formula:

(x1+x2/2, y1+y2/2)
(-12+8/2, -7+(-11)/2)
(-4/2, -18/2)
(-2, -9)
7 0
3 years ago
There is 100 people in each train car so how many people are they in each train there is ten cars in each train and thirty train
snow_tiger [21]

Information given:

- <u>100 passengers in each train car</u>

- <u>10 train cars total</u>

- <u>30 trains total</u>

<em>So we are trying to find the total number of passengers on all 30 trains?</em>

<u />

Step-by-step:

100 x 10 = <u>1,000 passengers per train</u>

1,000 x 30 = <u>30,000 passengers total within the 30 trains</u>

Answer: <u>30,000 passengers</u>

<em>Hopefully this answered your question :)</em>

6 0
3 years ago
I need some help with this question?¿
IgorLugansk [536]
           Easy. Okay. We are trying to find out how much of the pizza they both ate together. To do this we need a common denominator. A common denominator of 3/4 and 1/8 are 8. We don't need to convert 1/8 because it already has 8 as the denominator. So we convert 3/4 into a fraction that has a fraction with a denominator of 8. We multiply both the numerator and denominator by 2 which means 3/4 is equal to 6/8. Now all we have to do is 6/8 + 1/8 which we get 7/8. So the answer is 7/8. I hope this helps. 
3 0
3 years ago
Read 2 more answers
When three times the sum of a number and seven is increased by ten, the result is four. What is the number ?
densk [106]

Answer:

x=9   :))

Step-by-step explanation:

First set up your equation.

"3 times" is multiplication

"THE SUM of A NUMBER and seven" that is parenthesis because of the multiplication before it

"is increased by ten" that is an addition at the end

Now we have 3(x+7)+10=4

Solve your equation!

Distribute the 3 now we have 3x+21+10=4

Add like terms

now it should look like this... 3x+31=4

Subtract 31 from both sides and it looks like...

3x=27

Divide by the x-value

x=9

4 0
3 years ago
There is a 0.9991 probability that a randomly selected 31​-year-old male lives through the year. A life insurance company charge
jarptica [38.1K]

Answer:

a) Monetary values corresponding to the two events are:

-In case of surviving the year = -166$

-In case of a death in the year = 89834$

b) Expected value of the purchasing the insurance is -85 $

c) Yes, insurance company can make a profit with this policy.

Step-by-step explanation:

<em>a)</em> The man need to pay 166$ first to enroll the insurance policy. If he survives within a year, he will lose 166$. Otherwise, if he dies within a year he will profit 89834$.

<em>b)</em> Expected value of the purchasing the insurance as following:

<u>-In case of surviving the year: </u>

Value: -166$

Probability: 0,9991

<u>-In case of death in a year </u>

Value: 89834$

Probability: 0,0009

Expected value is E(x) = -166×0,9991 + 89834×0,0009 = -85 $

<em>c)</em> Lets consider that 10000 different 31 year old man enrolled to this insurance policy. According to probability of death, 9 out of 10000 man expected to be dead within the year. Therefore, company need to pay 9*90000 = 810000$ to their costumers. But, company will collect 10000*166=1660000$ from their costumers in the beginning of the year

So, it is expected that company is going to profit 1660000-810000=850000$ per year.

4 0
3 years ago
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