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3 years ago

Complete the following sentence.

Mathematics

2 answers:

Fantom [35]3 years ago

6 0

Answer:

it is called a decimal system

Step-by-step explanation:

AysviL [449]3 years ago

4 0

Answer:

Decimal system

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Which of the following is the solution to the equation x + 6.8 = 53.5?

gregori [183]

X+6.8=53.5
x=53.5-6.8
=46.7

5 0

3 years ago

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A plane ticket to barcelona costs £175

Digiron [165]

Answer: £164.50 i think soooo

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2 years ago

A triangle has an area of 160 square inches. If it has a height of 10 inches, what is its base length?

inn [45]

Answer:

The answer is:

32 inches

Step-by-step explanation:

The reason to why is because a triangle's area is always length times height divided by 2. In this case we need to reverse the steps and multiply 160 by 2 to get 320. Then divide the area of 320 by 10 to get 32 inches to be the base length.

Hope you have a wonderful day :)

6 0

3 years ago

If I have 60 coins consisting of dimes and quarters, and if I have x dimes, how many quarters do i have?

Contact [7]

I don't know if I'm correct, I'm guessing... 30

4 0

3 years ago

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What is the distance between the points (21 , 13) and (3 , 13) in the coordinate plane?

Oxana [17]

Answer:

$\displaystyle d = 18$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Identify

Point (21, 13)

Point (3, 13)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(3-21)^2+(13-13)^2}$
[√Radical] (Parenthesis) Subtract: $\displaystyle d = \sqrt{(-18)^2+(0)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{324+0}$
[√Radical] Add: $\displaystyle d = \sqrt{324}$
[√Radical] Evaluate: $\displaystyle d = 18$

5 0

2 years ago