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Kitty [74]
3 years ago
8

What is the formula for calculating a circle​

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

Parameters Circle Formulas

Diameter of a circle formula D = 2 × r

Circumference of a circle formula C = 2 × π ×

Area of a circle formula A = π × r2

Brut [27]3 years ago
6 0

Answer:

Diameter of a circle formula D = 2 × r

Circumference of a circle formula C = 2 × π ×

Area of a circle formula          A = π × r2

Step-by-step explanation:

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1 year ago
Angle P and angle Q are supplementary. Angle P measures 5x and angle Q measures 3x – 12. Find the measure of angle P.
NNADVOKAT [17]

Two angles are called supplementary angles if the sum of two angles is 180 degrees and they form a linear pair.

Here we are given than angle P and angle Q are supplementary angles.

Sum of angle P and angle Q will be 180.

Angle P measures 5x and angle Q measures 3x – 12

Adding the two angles,

5x+(3x-12) =180

8x-12=180

8x=180+12

8x=192

x=24

Angle P = 5x

Angle P =5*24 =120

Answer: Angle P is 120 degrees.



5 0
3 years ago
Read 2 more answers
St. augustine grass can grow at the rate of 4 over 7 centimeter per week.
Aloiza [94]

The weeks will it take the grass to grow 12 over 7 centimeters is 3 weeks.

<h3>What is the unitary method?</h3>

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

St. Augustine grass can grow at the rate of 4 over 7 centimeters per week.

The weeks will it take the grass to grow 12 over 7 centimeters

4/7 x = 12/ 7

28x = 84

x = 84/28

x = 3

The weeks will it take the grass to grow 12 over 7 centimeters is 3 weeks.

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5 0
2 years ago
Noelia has 144 role-playing cards. She and
scZoUnD [109]

Noelia has 216 cards after buying part of the set with her friends.

<h3>What is addition?</h3>

Combining items and counting them as a single, large group is done through addition.

Given that, Noelia has 144 role-playing cards.

Now, she bought 72 cards more, therefore, the number of cards Noelia has is:

144 + 72

= 216

Hence, Noelia has 216 cards after buying part of the set with her friends.

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7 0
1 year ago
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How do I factorise <br> 28x-4
IgorLugansk [536]
Step 1. Check if both terms of your expression have a common factor.
Notice that both 28x and 4 are divisible by 4, so the common factor of your expression is 4.

Step 2. Take out the common factor by dividing each one of the terms by the common factor and grouping the results inside a parenthesis:
\frac{28x}{4}=7x and \frac{4}{4} =1
28x-4=4(7x-1)

We can conclude that the factored form of 28x-4 is 4(7x-1).

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3 years ago
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