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erik [133]
3 years ago
5

Evaluate (4/7 + 8) x (3-(-4))

Mathematics
1 answer:
zzz [600]3 years ago
8 0

Answer:

Step-by-step explanation:

To solve the question, apply BODMAS approach. that is solve the brackets, division, multiplication first before the addition and subtraction.

step 1: take the first bracket (4/7 + 8)

\frac{4}{7} + 8 is the same as (4/7)+ (8/1). The LCM is 7. multiply each term by the LCM and divide by the denominator.

\frac{4}{7} + 8 =  \frac{(4X1) + (8X7)}{7} = \frac{4+56}{7} = \frac{60}{7}

step 2: consider the second bracket (3-(-4))

there is a sign multiplication in the terms. minus (-) x minus (-) = plus (+)

therefore the second bracket (3-(-4)) =  3 + 4 = 7

step 3: multiply both brackets.

(4/7 + 8) x (3-(-4)) = \frac{60}{7} X 7 = 60

The answer is 60

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Step-by-step explanation:

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Area of circle is 314 inches^2

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Step-by-step explanation:

We need to find area and circumference of the circle whose diameter is 20 inches.

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The formula used to find area of circle is:

Area=\pi r^2

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So, radius = 20/2 = 2

Putting value of π and radius we get Area:

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The formula used to find circumference of circle is:

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Putting value of π and diameter we get Circumference:

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So, circumference of circle is 62.8 inches

Keywords: Area and Circumference of Circle

Learn more about Area and Circumference of Circle at:

  • brainly.com/question/1952668
  • brainly.com/question/2115496
  • brainly.com/question/3456442

#learnwithBrainly

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