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3 years ago

2) find the area of each. Leave your answer in terms of Pi. 4) find the area of each.

Mathematics

1 answer:

Delvig [45]3 years ago

3 0

Answer:

Area of circle= 81π

Area of triangle= 371.8 yards

Step-by-step explanation:

<em>2) Area of circle = πr²</em>

<em>Area of circle = π*(18/2)²</em>

Area of circle = 81π

Therefore, the area of circle is 81π.

<em>4) Area of triangle = 1/2*base*height</em>

<em>Area of triangle = 1/2*22*33.8</em>

Area of triangle = 371.8 yards

Therefore, the area of the triangle is 371.8 yards.

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Estimate 19 precent of 41

Burka [1]

19% turns into 20%

20%*41=8.2

Have a nice day.

4 0

2 years ago

A race car Travel 100 feet in five seconds at this rate of speed how many feet will the race car travel in a minute?

Dafna11 [192]

Convert minute to seconds (1 minute = 60 seconds), set up a proportion, cross multiply, and solve.

Proportion: $\frac{100 ft}{5 sec}$ = $\frac{x}{60 sec}$

Cross multiply: 60 · 100 = 5 · x

Solve (divide both sides by 5): 1200 = x

Answer: 1200 ft

7 0

2 years ago

The sanitation department calculated that last year each city resident produced approximately 1. 643 × 103 pounds of garbage. Th

mote1985 [20]

Answer:

(d) 428,820,000 pounds of garbage

Step-by-step explanation:

Your calculator or spreadsheet can give you the product of two numbers expressed in scientific notation.

(1.643×10^3 lb/resident) × (2.61×10^5 residents) = 4.28823×10^(3+5) lb

≈ 428.82×10^6 lb

= 428,820,000 lb . . . of garbage

4 0

2 years ago

item 3 lamar gives his dog a pill once each day. each pill contains 3.6 milligrams of medicine. how many grams of medicine does

babymother [125]

Multiplication is the process of multiplying. The amount of medicine that Lamar's dog will have in one week is 25.2 milligrams.

<h3>What is multiplication?</h3>

Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. For example, 3 × 4 means 3 is added to itself 4 times, and vice versa for the other number.

Given a medicine provides 3.6 milligrams of medicine. Therefore, the amount of medicine the dog will have in a week is,

The amount of medicine = 3.6milligrams × 7 = 25.2 milligrams

Hence, the amount of medicine that Lamar's dog will have in one week is 25.2 milligrams.

Learn more about Multiplication:

brainly.com/question/14059007

#SPJ1

6 0

2 years ago

A right pyramid with a square base has a base edge length of 12 meters and slant height of 6 meters. The apothem is meters. The

Kisachek [45]

Answer:

Apothem: 6m

hypotenuse : slant height : 6√2 m

height :6m

volume: 288m2

Step-by-step explanation:

Hi, the correct values are: (image attached down below)

Base length= 12m

Slant height is actually = 6√2

So, to calculate the apothem (AC)we apply the Pythagorean theorem:

AB^2 = AC^2 + BC^2

√AB^2 -BC^2 = AC

AC = √(6√2)^2 - 6^2

AC =6 meters

Hypotenuse of ABC = AB =6√2 meters

Height = AC = 6 meters

Volume:

Volume of a pyramid = 1/3 x base area x height

area of a square = side length ^2 = 12^2

V= 1/3 x 12^2 x 6 =288 m2

7 0

3 years ago