MATHEMATICS HIGH SCHOOL

What is the circumference of a circle with a 72 centimeter radius

Answers

Answer 1
Answer:

Answer:

452.39cm^2

Step-by-step explanation:
Answer 2
Answer:

Answer:

  • c=452.39cm

-XxanimexX

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How to find hyptenuse of a triangle?

Answers

IF the triangle has a 90-degree angle in it (it's a right triangle), then the length
of the hypotenuse is:

Square root of (square of the shortest side + square of the medium side).

If the triangle is not a right triangle, then it doesn't have a hypotenuse.

The coordinates A(5,-2), B(3,-1)C(-4,-4)D(-3,8), E(-1,4) form the vertices of a polygon when they are connected in order from A through E. Classify the polygon without plotting the points. Explain your answer

Answers

Pentagon.
There are 5 points in this polygons, so that means 5 sides as well. The only polygons that have five points or five sides are pentagons.

Hope this helps :)

If u spenpend 20 minutes a night doing homework how many seconds

Answers

Answer:

1200 seconds per 20 minute study session

Step-by-step explanation:

20 min x 60 sec = 1200 seconds

Answer:1,200 secs

Step-by-step explanation:

What is the probability of tossing a single coin?

Answers

Answer:

50: 50 or .50

Step-by-step explanation:

A coin has only 2 sides so you only get two possible outcomes.

For example:

Let's say the coin is represented by 100 ( the coin as a whole)

and since it has 2 possible outcomes you would divide 100 by 2

and get 50

A. y = 3/4x - 5 I'm confused on how I'm suppose to find the slope and y-intercept.​

Answers

Answer:

The slope is 3/4 and the y-intercept is -5.

Step-by-step explanation:

Your equation is already in slope-intercept form, so all you have to do is look at it. Slope-intercept form looks like y = mx + b, where m is the slope and b is the y-intercept. Hope that helps!

Bicycle rental on the seawall at the beach cost a mandatory minimum of $5 for the first hour and then $4 for each additional hour. When three or more bikes are rented together, the owner gives a 20% discount on the additional hours. If Marty and his family rent four bicycles, identify the expression which represents the cost.A) 12.8x + 20x
B) 12.8x + 20
C) 12.8x + 16x
D) 32.80x

Answers

Answer:  The correct option is (B) 12.8x+20.

Step-by-step explanation:  Let, 'x' be the number of hours for which the bicycle is rented except the first hour.

Then, according to the given information, the cost of renting 1 bicycle is given by

c=4x+5.

There is a discount of 20% on additional hours 'x' when three or more bikes are rented together.

Since Marty and his family rent four bicycles, so the discount on additional hours for 1 bicycle is given by

D=20\%* 4x=(20)/(100)* 4x=(4)/(5)x.

Therefore, the total cost of renting 4 bicycles is given by

C=4\left(5+(4x-(4)/(5)x)\right)=4\left(4+3.2x\right)=12.8x+20.

Thus, the required expression for the cost is 12.8x+20.

Option (B) is correct.

Cost = fix cost + hourly cost - discount

Cost = 4* [5 + 4x - 4x(20/100)] = 4*[5 + 4x - 0.8x] = 4*[5 + 3.2x] = 20 + 12.8x

Answer: option B) 12.8x + 20
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