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3 years ago

30 POINTS! Find the area of the shaded regions.

Mathematics

2 answers:

Artist 52 [7]3 years ago

8 0

Answer:

7pi or ≈21.98 cm²

Step-by-step explanation:

The area of the shaded and non shaded in the circle is pir^2 so pi3^2 so 9pi

the area of the 2 smaller circles is pi1^2*2 so 2pi

9pi-2pi=

7pi cm² =

7pi≈21.98 cm² (with pi as 3.14)

Feliz [49]3 years ago

8 0

Step-by-step explanation:

Area of the large circle =πR²

=3.14×(3)²=3.14×9=28.26cm²

Area of one small circle= πr²= 3.14×1= 3.14cm²

Area of two small circles = 2×3.14 cm²= 6.28cm²

Area of the shaded region= (28.26-6.28)cm²

= 21.98 cm²

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Step-by-step explanation:

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The ratio of the measure of three angles of a triangle is 2:3:10. Find the measure of the largest angle.

faltersainse [42]

Answer:

The measure of the largest angle:

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Step-by-step explanation:

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then:

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3 years ago

Read 2 more answers

5/6-1/8 Solve by finding a common denominator A)30/48 B)34/48 C)38/48 D)42/48

GrogVix [38]

Answer:

B) 34/48

Step-by-step explanation:

The easiest common denominator to find is the product of the denominators you have.

The difference is ...

$\dfrac{5}{6}-\dfrac{1}{8}=\dfrac{5}{6}\cdot\dfrac{8}{8}-\dfrac{1}{8}\cdot\dfrac{6}{6}\\\\=\dfrac{40-6}{48}=\boxed{\dfrac{34}{48}}$

Additional comment

The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.

5/6 -1/8 = 20/24 -3/24 = 17/24 . . . . reduced result

Using the least common denominator does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.

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2 years ago

A student said thst the distance between (-5,7) and (3,7) is 2 units is the student correct?

Usimov [2.4K]

No.

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3 years ago

Find surface area of the prism

Vika [28.1K]

SA=(a+b+c) h+bh
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=140 cm squared

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3 years ago