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3 years ago

6÷2(1+2)=?

Mathematics

1 answer:

mina [271]3 years ago

5 0

I don't have the answer for the second one, but the answer to number 1 is 9.

6÷2(1 + 2) =

6÷2(3) =

3(3) =

9

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A right circular cylinder has a height of 19 3/4 ft and a diameter 1 2\5 times its height.

alexira [117]

Answer:

Volume of cylinder is 34833.21 ft³

Step-by-step explanation:

Given : A right circular cylinder having height $19\frac{3}{4}$ ft and diameter $\frac{12}{5}$ times its height.

Given : diameter $\frac{12}{5}$ times its height that is

diameter $\frac{12}{5}$ times $19\frac{3}{4}$ that is

Diameter = $\frac{12}{5} \times \frac{79}{4}$

Diameter = $\frac{237}{5}$ ft

Radius is half of diameter,

Radius = $\frac{1}{2} \times \frac{237}{5}=\frac{237}{10}$ ft

$\text{Volume of Cylinder}=\pi r^2h$

Substitute the values, we get,

$\text{Volume of Cylinder}= \pi (\frac{237}{10})^2 \times \frac{79}{4}$

$\text{Volume of Cylinder}= \times 3.14 \times (23.7)^2 \times 19.75$

$\text{Volume of Cylinder}=34833.21$

Thus, volume of cylinder is 34833.21 ft³

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3 years ago

Kelly is making necklaces for her friends,.She has 450 beads. If 30 beads are used in each necklace, How many necklaces can she

kolezko [41]

Answer:

Step-by-step explanation:

If each necklace takes 30 beads, she can make 15 necklaces until she runs out of beads. 450÷30=15. Hope this helps!

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3 years ago

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In Geometry, We Think About Objects In A Physical Space. In This Context What Is Length? How Many Dimensions Is Length Measured

Hitman42 [59]

length is Measured in only one dimension

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4 years ago

Howard planted 20 trees in 4 days. Janet planted 20 trees in 6 days. How long would it take them to plant 20 trees working toget

kipiarov [429]

Answer: I would say 5 days.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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4 years ago