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Pavlova-9 [17]
3 years ago
14

find the area of each sector. Use a 3.4 as the value of pi. Round your answer to the nearest tenth. Label unit.​ part 2

Mathematics
1 answer:
Vlada [557]3 years ago
7 0

Answer:

153.9 m² (nearest tenth)

Step-by-step explanation:

When the angle is measured in degrees, the formula of the area of sector is:

\frac{θ°}{360°}  \times \pi {r}^{2}

Given: r= 14m, θ= 90

Area of sector

=  \frac{90°}{360°}  \times 3.14 \times  {14}^{2}  \\  = 153.86 \\  = 153.9 \: m^{2}  \\ (nearest \: tenth)

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The figures are similar. find x. the ratio of the perimeters is 5:7​
anastassius [24]

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x = 16.8

Step-by-step explanation:

The ratio of corresponding sides is equivalent to the ratio of the perimeters.

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Help is really needed...
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Answer:

240m^3

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Refer below.

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7 0
3 years ago
You have an account with a principal of $200. it pays 8% at the end of every year. calculate the principal at the end of 3 years
Katarina [22]

Simple interest is a method of calculating interest on an amount for n period of time with a rate of interest of r. The principal at the end of 3 years is $248.

<h3>What is simple interest?</h3>

Simple interest is a method of calculating interest on an amount for n period of time with a rate of interest of r. It is calculated with the help of the formula,

SI = (P × R × T)/100

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The principal at the end of 3 years is,

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Learn more about Simple Interest:

brainly.com/question/2793278

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