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3 years ago

Allison and Rhea got different quotients when they divided 4.80 by 0.12. Whose work is correct? Explain why.

Mathematics

2 answers:

Firlakuza [10]3 years ago

6 0

. 40. If you remove your decimals to do the problem them put it back once you've answered your golden.

Alinara [238K]3 years ago

5 0

0.025 I think, is the answer.

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Lana has 30 pieces of candy in her bucket and is eating 2 pieces per minute.

kotegsom [21]

Answer:

It will take her 15 minutes to eat the entire bucket.

Step-by-step explanation:

30 pieces of candy 2 per minute

30/2 = 15 minutes

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3 years ago

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A pencil consists of a cone stacked on top of a cylinder. The diameter of the cylindrical base of the pencil is 10 mm and the he

Anna11 [10]

Answer:

$790\pi\,\,mm^2$

Step-by-step explanation:

Given: The diameter of the cylindrical base of the pencil is 10 mm and the height of the cylinder is 70 mm, while the height of the cone is 12 mm

To find: surface area of the pencil

Solution:

Radius of the cone = Radius of the cylinder (r) = diameter/2 = $\frac{10}{2}=5\,\,mm$

Height of the cylinder (H) = 70 mm

Height of the cone (h) = 12 mm

Slant height of the cone (l) = $\sqrt{r^2+h^2}=\sqrt{5^2+(12)^2}=\sqrt{25+144}=\sqrt{169}=13\,\,mm$

Curved surface area of cone = $\pi rl=\pi (5)(13)=65\,\pi \,\,mm^2$

Surface are of cylinder = curved surface area of cylinder + base area of cylinder

$=2\pi rH+\pi r^2\\=\pi r(2H+r)\\=\pi(5)\left [ 2(70)+5 \right ]\\=5 \pi\left ( 140+5 \right )\\=725\pi\,\,mm^2$

So,

surface area of the pencil = Curved surface area of cone + Surface are of cylinder = $65\pi+725\pi=790\pi\,\,mm^2$

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4 years ago

In the diagram, point o is the center of the circle

OLEGan [10]

Answer:

There is no attachment showing a diagram, so the answer to your question is unknown.

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4 years ago

Pls dont write silly things or ill report. which number in each set is not a factor of the given number:

Allisa [31]

Answer:

a.(4)

b.(45)

Step-by-step explanation:

A factor is a number that divides perfectly without any remainder so you can try to divide each.

For example:

-14/2=7(it's a factor of 14)

-14/4=3.5(it's not factor of 14)

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2 years ago

X/3=5 what does X equal

sdas [7]

x/3 = 5

If you multiply both sides by 3, you get

x = 15

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3 years ago

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