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3 years ago

Giving 25 points and brainliest for this! Please answer correctly if you know it!

Mathematics

1 answer:

AlladinOne [14]3 years ago

8 0

Answer:

The formula to calculate APY is (1 + (i/n))^n - 1

where i is the interest rate and n is the number of compounding periods.

Monthly APY = (1 +(0.055/12)^12 -1

APY = 0.0564 = 5.64%

Quarterly APY = (1 +(0.055/4)^4 -1

APY = 0.0561 = 5.61%

Difference = 5.64 - 5.61 = 0.03% more when compounded monthly.

The APY is more when compounded monthly, because there are more compound periods.

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Find the surface area of the cone in terms of pi.

Nana76 [90]

Surface area of cone is 60π cm^2

Option A is correct.

Step-by-step explanation:

We are given:

Height = 17cm

Radius= 3cm

We need to find surface area of cone in terms of π.

The formula used to find surface area of cone is:

$Surface\,\,area\,\,of\,\,cone=\pi r(r+\sqrt{h^2+r^2})$

Putting values:

$Surface\,\,area\,\,of\,\,cone=\pi r(r+\sqrt{h^2+r^2}) \\Surface\,\,area\,\,of\,\,cone=\pi \,3(3+\sqrt{(17)^2+(3)^2})\\Surface\,\,area\,\,of\,\,cone=\pi \,3(3+\sqrt{289+9)}\\Surface\,\,area\,\,of\,\,cone=\pi \,3(3+\sqrt{298)}\\Surface\,\,area\,\,of\,\,cone=\pi \,3(3+17)\\Surface\,\,area\,\,of\,\,cone=\pi \,3(20)\\ Surface\,\,area\,\,of\,\,cone=60\pi$

So, Surface area of cone is 60π cm^2

Option A is correct.

Keywords: Surface area of cone

Learn more about Surface area of cone at:

#learnwithBrainly

5 0

4 years ago

How do you solve 4x 5y = -7 and 3x - 6y = 24 using matrices?

solniwko [45]

Aw yis

take the coefients and put them in rows

$\left[\begin{array}{ccc}4&5&|-7\\3&-6&|24\end{array}\right]$
divide 2nd row by 3
$\left[\begin{array}{ccc}4&5&|-7\\1&-2&|8\end{array}\right]$
multiply 2nd row by -4 and add to top one
$\left[\begin{array}{ccc}0&13&|-39\\1&-2&|8\end{array}\right]$
divide top row by 13
$\left[\begin{array}{ccc}0&1&|-3\\1&-2&|8\end{array}\right]$
multiply top row by 2 and add to bottom row
$\left[\begin{array}{ccc}0&1&|-3\\1&0&|2\end{array}\right]$

x=2
y=-3

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B13%7D%20" id="TexFormula1" title=" \sqrt{13} " alt=" \sqrt{13} " align="absmiddle

Fed [463]

3.605
is the answer.

8 0

3 years ago

Jason has two bags with 6 tiles each. The tiles in each bag are shown below: Make 6 squares. The squares are numbered sequential

11111nata11111 [884]

1/5 and 1/2 so 20% and 50%

6 0

3 years ago

Which carton of Milk is the highest unit rate?

alexandr402 [8]

Answer:

number 2

Step-by-step explanation:

It's number two because. 1 is 167.8 mL/$

2 is 295.9 mL/$

3 is 0.3584 L/$

4 is 0.7519 L/$

please please brianlist me now I'm completly brain daed

6 0

3 years ago