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2 years ago

If a circle has a diameter if (x+3) inches what is its circumference

Mathematics

1 answer:

Blizzard [7]2 years ago

6 0

Answer:

π (x + 3) inch OR 3.14x + 9.42 inch

Step-by-step explanation:

Diameter (d) = x + 3

Circumference of a circle = πd

=》Circumference of a circle = π (x + 3) inch

If π = 3.14, then,

Circumference = 3.14 (x + 3)

Circumference = 3.14x + 9.42 inch

Hope it helps ⚜

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The price of a coat was reduced from $40 to $30. By what percentage was the price of the coat reduced?

Liula [17]

Answer:

The percentage that the coat was reduced is 25%.

Step-by-step explanation:

A percentage is always out of a factor of 100.

40 x 2.5 = 100

30 x 2.5 = 75

75/100 = 3/4

1/4 is missing, which is the percentage.

1/4 = 0.25, or 25%

Hope This Helps!

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2 years ago

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How do I do this I don’t get it

masya89 [10]

Answer: The answer would be 17/10.

Step-by-step explanation: You would divide Marvin's miles by Nathan's miles to find your answer.

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2 years ago

A marina is in the shape of a coordinate grid. Boat A is docked at (3.1, −1) and Boat B is docked at (−4.1, −1). The boats are _

kirill115 [55]

Answer:

d = 7.2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

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

Step-by-step explanation:

Step 1: Define

Boat A(3.1, -1)

Boat B(-4.1, -1)

Step 2: Find distance d

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

Substitute [DF]: $d = \sqrt{(-4.1-3.1)^2+(-1+1)^2}$
Subtract/Add: $d = \sqrt{(-7.2)^2+(0)^2}$
Exponents: $d = \sqrt{51.84}$
Evaluate: $d = 7.2$

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2 years ago

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a rectangle with a length of 3x and a width of x+1 has the same perimeter as a rectangle with a width of x and a length of 2x-2.

rosijanka [135]

Answer:

Step-by-step explanation:

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3 years ago

In a fruit cocktail, for every 15 ml of orange juice you need 5 ml of apple juice and 50 ml of coconut milk. What is the ratio o

Kruka [31]

Answer:

1/14:5/7:3/14

Step-by-step explanation:

Since orange=15

Apple=5

Coconut milk=50

50+15+5

Orange=15/70

Divide both by 5

=3/14

Apple=5/70

Divide both by 5

=1/14

Coconut milk=50/70

Divide both by 10

=5/7

So the ratio of apple to coconut to orange

1/14:5/7:3/14

8 0

3 years ago