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Gennadij [26K]
3 years ago
14

Calculate the area of the shaded sector in the circle​

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0

Answer:

area ≈ 6.3 units²

Step-by-step explanation:

Calculate the area (A ) of the sector as

A = area of circle × fraction of circle

   = πr² × \frac{45}{360}

   = π × 4² × \frac{1}{8}

    = 16π × \frac{1}{8} ← cancel 8 and 16 by 8, leaving

A = 2π ≈ 6.3 units² ( to 1 dec. place )

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Answer:

The answer would be C

Step-by-step explanation:

Because if you look at the triangles you can where they match up and if you look at the lines you can tell if they match up and C matches that`s how I did it well that`s how I do it when I do math

3 0
2 years ago
Georgia has a budget of $8 for a new notebook. She wants to spend within $5 of her budget, so she uses the equation 5 = |8 – x|
siniylev [52]

Answer:

Minimum: 3

Maximum: 13

Step-by-step explanation:

Georgia uses the equation

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We solve the equation for x.

5 =  |8 - x|

By the definition of the absolute value function, we must have:

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We subtract 8 from both sides to get:

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This simplifies to:

13 =  x \: or \:  3 = x

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5 0
3 years ago
How do I solve -(x+7)-5=4(x+3)-6x
sasho [114]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Find the markup and the cost of the following item. Round answers to the nearest cent.
marysya [2.9K]

Answer:

1st question: M=22.62 while C=75.38

2nd question: M=.22 while C=1.97

Step-by-step explanation:

If a mirror costing x dollars is marked up 30%, then we have to find x such that 30%x+x is 98 dollars.

We are solving:

.3x+x=98

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We are solving:

.11x+x=2.19

1.11x=2.19

x=1 97

M=2.19-1.97=.22

So M=.22 while C=1.97

5 0
3 years ago
During a soccer game, Erin scored 1 out of 2 goals attemptted. Laurn scored 6 out of 8 goals attempted. Write the fraction that
Korolek [52]
1/2 is one half---Erin
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3 years ago
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