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3 years ago

The circumference of a soda can is 62.8 mm. Find the radius of the soda can?

Mathematics

1 answer:

Rus_ich [418]3 years ago

6 0

Answer:

9.99493

Step-by-step explanation:

You divide the circumference by pi to get the diameter. Then if you want the radius, you just simply cut the diameter in half!

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Mars2501 [29]

12+16x is the expression

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3 years ago

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How many sucrose molecules are in 3.0 moles of sucrose

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3*6.022*10^23 no of molecules in 3.0 moles of sucrose

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3 years ago

Pls help^^^^ <br> i dont understand this hw

7nadin3 [17]

Answer:

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Step-by-step explanation:

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3 years ago

The area of a square for on a scale drawing of 100 square centimeters and the scale drawing to 1 cm: 2 feet what is the area of

lilavasa [31]

Answer:

1. $\boxed{\text{400 ft}^{2}}$ ; 2. $\boxed{\frac{1}{3716}}$

Step-by-step explanation:

Step 1. Calculate the area of the floor

If the area A₁ of a square floor on the scale drawing is 100 cm², the length of a side is 10 cm.

The side length l of the actual floor is

l = 10 cm × (2 ft/1 cm) = 20 ft

The area A₂ of the floor is

A = l² = (20 ft)² = $\boxed{\text{400 ft}^{2}}\\$

Step 2. Calculate the area ratios

We must express both areas in the same units.

Let's express the area of the room in square centimetres.

l = 20 ft × (12 in/1 ft) = 240 in

l = 240 in × (2.54 cm/1 in) = 609.6 cm

A₂ = l² = (609.6 cm)² = 371 612 cm²

The area A₁ on the scale drawing is 100 cm².

The ratio of the areas is

$\frac{A_{1}}{ A_{2}} = \frac{100}{371612} = \frac{1 }{3716}\\$

The ratio of the area in the drawing to the actual area is $\boxed{\frac{1}{3716}}$

8 0

3 years ago

Please help i wanna move to the next grade,10 points

AfilCa [17]

Answer:

C -1

Step-by-step explanation:

$- 3x + 2 < 5$

$5 - 2 = 3$

$- 3x \div - 3$

$3 \div - 3 = - 1$

$x = - 1$

4 0

3 years ago