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marusya05 [52]
3 years ago
14

In a sale the price of a sofa is reduced by 70%. The price is £255 Work out the price before the sale

Mathematics
1 answer:
Mkey [24]3 years ago
5 0

Answer:

850

Step-by-step explanation:

850*0.3=255

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If the radius of a circle is 5 centimeters, how long is the arc subtended by an angle measuring 60°? A) 3 5 π cm B) 5 2 π cm C)
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Answer:

The length of the arc is \frac{5\pi}{3} centimeters.

Step-by-step explanation:

The length of an arc (\Delta s) with a given central angle is determined by the following expression:

\Delta s = \frac{\theta}{360^{\circ}}\cdot 2\pi\cdot r

Where:

r - Radius, measured in centimeters.

\theta - Central angle, measured in sexagesimal degrees.

Given that r = 5\,cm and \theta = 60^{\circ}, then:

\Delta s = \frac{60^{\circ}}{360^{\circ}} \times 2\pi \times 5\,cm

\Delta s = \frac{5\pi}{3}\,cm

The length of the arc is \frac{5\pi}{3} centimeters.

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2/3 cup of oatmeal is needed to make 10 granola bars. how many such granola bars can be made with 20 cups of oatmeal? Kindly ple
aleksandrvk [35]
2/3 cup of oatmeal - 10 granola bars

When the number of cups of oatmeal increases, the number of granola bars also increases.
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Therefore, the first step is to calculate how many times 20 cups of oatmeal is more than 2/3 cup of oatmeal. To do it, divide 20 by 2/3.

20 \div \frac{2}{3} = 20 \times \frac{3}{2}=\frac{60}{2}=30

You have 30 times as many cups of oatmeal, so you'll make 30 times as many granola bars.

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