MATHEMATICS HIGH SCHOOL

Find the number of sides of the regular polygon when the measure of an exterior angle is given.1. 30°
2. 10°

Answers

Answer 1
Answer: 1.\nexterior\angle=30^\circ\n exterior\angle=180^\circ-interior\ angle\n interior\angle=180^\circ-exterior\ angle=180^\circ -30^\circ=150^\circ\n \nFormula\ for\ number\ of\ sides\ of\ regular\ polygon:\n\n interior\angle= 180^\circ-(360^\circ)/(n)\n 150^\circ=180^\circ-(360^\circ)/(n)\n -30^\circ=-(360^\circ)/(n)\ |*n\n -30^\circ\ *n=-360^\circ \ |:-30^\circ\n n=12\n\n Number\ of\ sides\ is\ 12.2.\nexterior\angle=10^\circ\n exterior\angle=180^\circ-interior\ angle\n interior\angle=180^\circ-exterior\ angle=180^\circ -10^\circ=170^\circ\n \nFormula\ for\ number\ of\ sides\ of\ regular\ polygon:\n\n interior\angle= 180^\circ-(360^\circ)/(n)\n 170^\circ=180^\circ-(360^\circ)/(n)\n -10^\circ=-(360^\circ)/(n)\ |*n\n -10^\circ\ *n=-360^\circ \ |:-10^\circ\n n=36\n\n Number\ of\ sides\ is\ 36.

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Tony invested $5,500 in a four-year CD that paid 4.8% interest, but later needed to withdraw $475 early. If the CD’s penalty for early withdrawal was three months’ worth of interest on the amount withdrawn, how much of a penalty did Tony pay

Answers

Given:
principal: 5,500
term: 4 years
interest rate: 4.8% per annum
early wdl of 475

penalty is the 3 months interest of the amount withdrawn.

Interest = 475 * 4.8% * 3/12
Interest = 475 * 1.2%
interest = 5.7 is the amount of the penalty

Answer:

I don't know why the guy got so many downvotes he was right. The answer is $5.70. Which is A

What fraction is in the middle of 4/5 and 14/15

Answers

13/15

Reason: because 4/5=12/15 and 13/15 is in between 12/15 and 14/15

Which describes the variables in the scatter plot created from the data?Customers Profits ($)
76 2812
64 2880
48 1824
79 2844
144 5616
189 7749
180 5760
112 4256
132 6336
98 2940





A.
The independent variable is customers and is graphed along the horizontal axis.


B.
The independent variable is profit and is graphed along the horizontal axis.


C.
The independent variable is customers and is graphed along the vertical axis.


D.
The independent variable is profit and is graphed along the vertical axis.

Answers

The independent variable is customers.. No one can tell how many customers are going to come unless they write..

So it can't be B or D

The independent variables should be on horizontal line when considered as a scatter plot.

So it's A. The independent variable is customers and is graphed along the horizontal axis

What is 1 multiplied by 1

Answers

one times one equals one anything times one is the same
1 because you can only  multyplied 1 by 1

Help help help help math

Answers

Radius is half the diameter.

The diameter is shown as 16, so the radius would be 16/2 = 8 in.

Area = 3 x 8^2

Area = 3 x 64

Area = 192 square inches

Answer:

A = 192

Step-by-step explanation:

r = 16/2 = 8

A = 3x(8)^2

8^2 = 64

A = 3 x 64 = 192

A circular track has a circumference of 1/4 mile. What is the radius?

Answers

The formula for circumference is C = 2 \pi r. We know the circumference and therefore we can plug that into the formula and solve for the radius.

(1)/(4) = 2 \pi r

Lets divide by 2 first.
(1)/(8)= \pi r

Next, lets divide by pi.
(1)/(8 \pi)= r
Thus the answer is (1)/(8 \pi) of a mile, which is approximately (1)/(25.13) of a mile.
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