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sergij07 [2.7K]
2 years ago
15

Find the area of this semi-circle with radius,

Mathematics
1 answer:
timofeeve [1]2 years ago
5 0

The area of this semi-circle with a radius of 10cm will be A=100\pi Square cm.

<h3>What is the Area of the circle?</h3>

The Area of the circle is the area enclosed by the circle in the two-dimensional plane.The formula for the area of the circle is given by:

A=\pi r^2

here r is the radius of the circle r=10cm

So the area of the circle will be:

A=\pi r^2

A=\pi \times {10}^2

A=100\pi\ cm^2

Hence the area of this semi-circle with a radius of 10cm will be A=100\pi Square cm.

To know more about the Area of the circle follow

brainly.com/question/14068861

#SPJ1

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Help? i'll mark brainliest if correct
Strike441 [17]

Answer:

36,686

Step-by-step explanation:

5.88 x 12 over 10 = 240

240 x 26 = 36,686

5 0
3 years ago
Keri is making a doll clothes for a holiday craft show. The wholesale cost of the materials for one outfit is $9.38. If she sell
irinina [24]

Answer:

60%

Step-by-step explanation:

If I get you right, you're asking for the percentage gain to the nearest percentage, right?

Now to do this, we need to get the amount of profit she made. That's quite easy, we only need to subtract the cost price from the selling price. And that equals $15 - $9.38 that equals $5.62.

Now, we divide this value by the cost price and multiply by 100% to get the percentage gain.

I.e 5.62/9.38 × 100%.

That gives 59.9% , which equals 60% when approximated to the nearest percentage.

5 0
3 years ago
How to solve -3+-8 this ??
umka21 [38]
The awnser would be -11. A minus and a minus creates a plus so it adds up to -11
3 0
2 years ago
Read 2 more answers
Paul's mom, Gina, owns her home outright, without a mortgage. It is currently worth $100,000. If she could get five percent inte
Gala2k [10]
Use the formula   i = p*r*t.

Here, p = $100000, r = 0.05 and t = 1 (year)

The interest would be   i = $100000*0.05*1 = $5000 per year.
7 0
3 years ago
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the ratio of the sides of a certain triangle is 2:7:8 if the longest side of the triangle is 40cm how long are the other two sid
Zigmanuir [339]

The length of the other two sides is 10 and 35 respectively.

<h3>What is a ratio?</h3>

A ratio is a quantitative relation showing the comparison between two or more numbers. It can also be written in the fractional form where the first part is the numerator and the second part is called the denominator.

From the given information:

  • The sides of the triangle = 2:7:8
  • The total sides of the triangle = 2+7+8 = 17

We are being told that the longest side is the triangle is equal to 40.

i.e.

\mathbf{\to\dfrac{8}{17}\times x = 40}

\mathbf{x = 40 \div \dfrac{8}{17}}

\mathbf{x = 40 \times \dfrac{17}{8}}

x = 85

Now for the other two sides 2 and 7, their length is as follows.

\mathbf{\dfrac{2}{17}\times 85 = 10}

\mathbf{\dfrac{7}{17}\times 85 = 35}

Therefore, we can conclude that the length of the other two sides is 10 and 35 respectively.

Learn more about ratios here:

brainly.com/question/2328454

3 0
2 years ago
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