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3 years ago

A person climbs many evenly-spaced steps to reach the top of

Mathematics

1 answer:

matrenka [14]3 years ago

3 0

Answer:

6.8 percent or 6.8%

Step-by-step explanation:

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A rope is 84 meters long is cut int two pieces so that one piece is 18 meters longer than the other. What is the length of each

Tpy6a [65]

Answer:

33 meters

51 meters

Step-by-step explanation:

84-18= 66

66/2= 33

33+18= 51

Check your answer:

51+33=84

5 0

2 years ago

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Eleri has 97 cents credit on her phone it costs 6 cents to send a message. How many people can eleri send a message to? Explain

Leona [35]

16 people. Divide 97 by 6 and you get 16.16 but you can’t send a message to a .16 of a person so it’s just 16 people.

6 0

1 year ago

Solve 2/3x> 8 or 2/3x< 4

grigory [225]

Answer:

x > 12

Answer for 2/3>8

8 0

2 years ago

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What are the challenges of similar triangles?

Lady bird [3.3K]

Answer:

There are two types of similar triangle problems; these are problems that require you to prove whether a given set of triangles are similar and those that require you to calculate the missing angles and side lengths of similar triangles. Subtract both sides by 130°. Hence; By Angle-Angle (AA) rule, ΔPQR~ΔXYZ.

Step-by-step explanation:

6 0

2 years ago

What is the volume of the cone below? ):

svetoff [14.1K]

Answer:

A. 112π units³

General Formulas and Concepts:

Symbols

π (pi) ≈ 3.14

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Geometry

Volume of a Cone Formula: $\displaystyle V = \frac{1}{3} \pi r^2h$

r is radius
h is height

Step-by-step explanation:

Step 1: Define

Radius r = 4

Height h = 21

Step 2: Find Volume

Substitute in variables [Volume of a Cone Formula]: $\displaystyle V = \frac{1}{3} \pi (4)^2(21)$
Evaluate exponents: $\displaystyle V = \frac{1}{3} \pi (16)(21)$
Multiply: $\displaystyle V = \frac{16 \pi}{3}(21)$
Multiply: $\displaystyle V = 16 \pi \cdot 7$
Multiply: $\displaystyle V = 112 \pi$

8 0

2 years ago