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2 years ago

5

Celine is estimating the number of tiles in a mosaic. There are 7 different colors, and 1,1725 tiles of each color. What should

Celine’s estimate be?

1 answer:

vladimir2022 [97]2 years ago

5 0

There should be about 82,075 tiles.

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igor_vitrenko [27]

Answer:

The system has exactly one solution where x = 0 and y = -3.

Step-by-step explanation:

-6x + y = -3

7x - y = 3

(7x - 6x) + (y - y) = 3 - 3

x + 0 = 0

x = 0

7(0) - y = 3

0 - y = 3

-y = 3

y = -3

-6(0) + y = -3

0 + y = -3

y = -3

So, the system has exactly one solution where x = 0 and y = -3.

Hope this helps!

7 0

3 years ago

An item is regularly priced at $83. It is now priced at a discount of 55% off the regular price.

mart [117]

Answer:

$45.65 total

Step-by-step explanation:

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2 years ago

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If the club is sending 3 members to a convention, how many different groups of 3 members are possible?

Natasha2012 [34]

There are 120 different possible groups.
(10 * 9 * 8)/(3 * 2 * 1) + 120

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2 years ago

There are 20 grams of protein in 3

RUDIKE [14]

Answer:

How many ounces of fish per gram of protein?

Step-by-step explanation:

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2 years ago

A cone shaped paper water cup has a height of 12 cm and a radius of 6 cm. If the cup is filled with water to half its height, wh

monitta

Answer:

The portion of the volume of the cup that is filled with water is $\frac{1}{8}$

Step-by-step explanation:

step 1

Find the volume of the paper water cup

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2}h$

we have

$r=6\ cm$

$h=12\ cm$

substitute

$V=\frac{1}{3}\pi (6)^{2}(12)$

$V=144\pi\ cm^{3}$

step 2

If the cup is filled with water to half its height, find out what portion of the volume of the cup is filled with water

Remember that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

In this problem the similar cone has half the height of the complete cone

so

The scale factor is equal to 1/2

therefore

The volume of the cup that is filled with water is equal to the volume of the complete cup by the scale factor elevated to the cube

$V=(1/2)^{3}(144\pi)=(1/8)144\pi\ cm^{3}$

therefore

The portion of the volume of the cup that is filled with water is

$\frac{1}{8}$

8 0

2 years ago

Read 2 more answers