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bogdanovich [222]
2 years ago
9

If the height of a cone is 7.5 cm and the radius is 2 cm, find the approximate volume of the cone.

Mathematics
1 answer:
larisa86 [58]2 years ago
6 0
Volume: h • pi r^2

Volume: (7.5) • pi (2)^2

Volume: 94.247796

Just round to your teacher’s liking
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Dominic considers buying 2 points on a 25-year, fixed rate mortgage for $187,600. His interest rate will be 5.45% if he does not
algol [13]

Answer:

If Dominic buys 2 points (2% of the loan value) he will get a better rate and hence less payment.  The question is asking how long will it take him to save the initial investment of 2% of the loan value due to a smaller payment.  The monthly payment at 5.45% is  $1,146.43,  the monthly payment for 5.2% is  $1,118.66.  This is a difference of  $27.77 per month.  The 2 points will cost him  $3,752.00.  The question is asking how long will it take Dominic to re-coup his  $3,752.00 if he saves $27.77 per month.  Just divide the 2 numbers and you get  135.10 months.  If you divide that by 12 you get 11.26 years, which is roughly 11 years, 4 months.

Step-by-step explanation:

Here is what the question is asking.  If Dominic buys 2 points (2% of the loan value) he will get a better rate and hence less payment.  The question is asking how long will it take him to save the initial investment of 2% of the loan value due to a smaller payment.  The monthly payment at 5.45% is  $1,146.43,  the monthly payment for 5.2% is  $1,118.66.  This is a difference of  $27.77 per month.  The 2 points will cost him  $3,752.00.  The question is asking how long will it take Dominic to re-coup his  $3,752.00 if he saves $27.77 per month.  Just divide the 2 numbers and you get  135.10 months.  If you divide that by 12 you get 11.26 years, which is roughly 11 years, 4 months.

3 0
3 years ago
Negative exponents 3-3 x 3-2
patriot [66]

Answer:

3^-5

Step-by-step explanation:

Whenever you multiply exponents, you add the values. Negative two plus negative three results in an answer of negative five. This will be the power. You will end up with 3^-5 as your answer.

4 0
2 years ago
john is 15 years old. john's mom takes him and his younger soster to a football game. tickets are $22 for adults and $16 for chi
Maksim231197 [3]

Answer:

$38

Step-by-step explanation:

cost of ticket for adult = $22

cost of ticket for youngster = $16

______________________________

cost of ticket for John's mom = $22 as she is adult

cost of ticket for john = $16 as he is young , his age is less than 18 years

Total cost of ticket for John and his mother = $22 + $16 = $38

5 0
3 years ago
The stopping distance for 10 cars traveling at 55 miles per hour is shown in the table above . What is the mean (average ) stopp
umka21 [38]

Answer:

50

Step-by-step explanation:

Add all of the numbers and divide by the number of columns. Ex.

48+49+50+51+51= 250

250÷5= 50

8 0
2 years ago
HELPPPPPPPPPP PLEASE WILL MARK BRAINLIEST!!!!!!!! Assuming that a soap bubble is a perfect sphere, what is the diameter of a bub
9966 [12]

Answer: 12.4 cm

Step-by-step explanation:

Since we are given the volums, we can work our way backwards to solve for radius, and then for diameter.

V=\frac{4}{3} \pi r^3

1000=\frac{4}{3} \pi r^3

750=\pi r^3

r^3=238.7324146

r=6.2

Now that we have r, we multiply it by 2 to get diameter.

2×6.2=12.4

5 0
2 years ago
Read 2 more answers
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