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Morgarella [4.7K]
3 years ago
8

Hey(: can somebody please help me with this question please !

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
6 0
The volume of a cone is 1/3 pi r^2 h. So by substitution, V = 1/3 of 80pi which simplifies to V=26.667pi, which when multiplied out, provides the answer V = 83.8 cubic meters.
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What is 1/10th of 2,871,000?
abruzzese [7]
This is fairly simple. Divide 2,871,000 by 10 and that's your answer!

\frac{2,871,000}{10} =287,100

Also, since you're dividing by a factor of 10 (or in this case, <em>10</em>) you can just take away as many places as are zeros in the number you're dividing from. This works for <em>10, 100, 1,000, 10,000, etc. </em>In this case, since there is only one zero in 10 you only take away one place marking, which gives you 287,100.
7 0
3 years ago
The savings account offering which of these APRs and compounding periods offers the best APY?
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\bf \qquad  \qquad  \textit{Annual Yield Formula}&#10;\\\\&#10;~~~~~~~~~~~~\textit{4.0784\% compounded monthly}\\\\&#10;~~~~~~~~~~~~\left(1+\frac{r}{n}\right)^{n}-1&#10;\\\\&#10;\begin{cases}&#10;r=rate\to 4.0784\%\to \frac{4.0784}{100}\to &0.040784\\&#10;n=&#10;\begin{array}{llll}&#10;\textit{times it compounds per year}\\&#10;\textit{monthly, thus twelve}&#10;\end{array}\to &12&#10;\end{cases}&#10;\\\\\\&#10;\left(1+\frac{0.040784}{12}\right)^{12}-1\\\\&#10;-------------------------------\\\\&#10;~~~~~~~~~~~~\textit{4.0798\% compounded semiannually}\\\\&#10;

\bf ~~~~~~~~~~~~\left(1+\frac{r}{n}\right)^{n}-1&#10;\\\\&#10;\begin{cases}&#10;r=rate\to 4.0798\%\to \frac{4.0798}{100}\to &0.040798\\&#10;n=&#10;\begin{array}{llll}&#10;\textit{times it compounds per year}\\&#10;\textit{semi-annually, thus twice}&#10;\end{array}\to &2&#10;\end{cases}&#10;\\\\\\&#10;\left(1+\frac{0.040798}{2}\right)^{2}-1\\\\&#10;-------------------------------\\\\&#10;

\bf ~~~~~~~~~~~~\textit{4.0730\% compounded daily}\\\\&#10;~~~~~~~~~~~~\left(1+\frac{r}{n}\right)^{n}-1&#10;\\\\&#10;\begin{cases}&#10;r=rate\to 4.0730\%\to \frac{4.0730}{100}\to &0.040730\\&#10;n=&#10;\begin{array}{llll}&#10;\textit{times it compounds per year}\\&#10;\textit{daily, thus 365}&#10;\end{array}\to &365&#10;\end{cases}&#10;\\\\\\&#10;\left(1+\frac{0.040730}{365}\right)^{365}-1
7 0
3 years ago
Read 2 more answers
2.
jeka94
She’ll need 18 eggs.

2 eggs = 12 (dozen) muffins

108 muffins (needed) / 12 muffins

= 9 groups of 12 muffins

so therefore 2eggs x 9 groups of muffins = 18 eggs
4 0
2 years ago
Read 2 more answers
3y-4x-29=2y-5x-4 solve by elimination
Umnica [9.8K]

Answer:

x = 25

y = 25

Step-by-step explanation:

hope it helps!

8 0
3 years ago
With a short time remaining in the day a delivery driver has to make deliveries at 5 locations among the 6 locations remaining.
nika2105 [10]
The delivery driver has to make deliveries at 5 locations <span>among the 6 locations. </span>This means the order of the probability is important because the route he will take from A to B is different with A to C.
So, you need to use permutation for this problem. The calculation would be:
6P5= 6!/ (6-5)!= 720 different routes
6 0
3 years ago
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