3 years ago

What is the number and the question of 2+2

Mathematics

1 answer:

Maurinko [17]3 years ago

5 0

The answer is 4. The question is what is 2+2?

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2 years ago

Find the percent of the number 36% of 50

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Describe the relationship between the area of a circle and its circumstances

valentina_108 [34]

Answer:

$A = \frac{r}{2}C$

Step-by-step explanation:

Given

Shape: Circle

Required

The area and the circumference (relationship)

This implies that, we write an expression that relates the area and the circumference.

Circumference is calculated as:

$C = 2\pi r$

Area is calculated as:

$A = \pi r^2$

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Further rewrite as:

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So, the expression becomes

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3 years ago

If a number has 2 and 6 as factors then it has 12 as a factor

zhuklara [117]

Answer:

yes

Step-by-step explanation:

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3 years ago

Read 2 more answers

Calculate the area of the shaded sector. 11.73 11.2 11.4 11.83

laiz [17]

The formula for the area of a circle is

A=πr²
plug in the data we know
A=π4²
A=16π

Since we only we need to find the area of the shaded section, we need to twerk this equation a bit. (remember that the shaded section is 84/360 of the original circle.)

A=84/360*16π
A=11.728
A=11.73 units²

answer: A=11.73 units²

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2 years ago