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3 years ago

#5.Color Number of Pieces

Mathematics

2 answers:

IRISSAK [1]3 years ago

4 0

Answer:

6. B

7. D

Step-by-step explanation:

For 6 found that the 56 pieces in the first bag was about 18% of that bag. So then I found that 18% of 450 is ruffly 84, so B

For 7 I multiplied 5x5 is 25 so then 50x5 is 250, which is D

Illusion [34]3 years ago

4 0

The answer might be 56 red pieces of candy I might be wrong but this is my answer or it might be 84 who nows

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Mrs. Rullo has four times as many pens as Mrs. virola. they have a total of 40 pens. How many more pens does Mrs.Rullo have then

IgorLugansk [536]

x + 4x = 40

5x = 40

x = 8

Mrs. Viola has 8 and Mrs. Rullo has 4*8=32 pens.

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3 years ago

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What is the volume of a cylinder with base radius 2 and height 6

jenyasd209 [6]

Answer:

Volume of the cylinder is 75.43

Step-by-step explanation:

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

where r is base radius = 2 and h is the height = 6

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3 years ago

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A 7-pack of plastic rings costs $2.52. What is the unit price? per ring?

VikaD [51]

Answer:

7 rings = $2.52

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B4%7D%20-%20%20%5Cfrac%7B3%7D%7B8%7Dy%20%3D%203%20%5C%5C%20" id="TexFormula

MariettaO [177]

Answer:

(6, - 4 )

Step-by-step explanation:

Given the 2 equations

$\frac{x}{4}$ - $\frac{3}{8}$ y = 3 → (1)

$\frac{5}{3}$ x - $\frac{y}{2}$ = 12 → (2)

Multiply (1) by 8 and (2) by 6 to clear the fractions

2x - 3y = 24 → (3)

10x - 3y = 72 → (4)

Rearrange (3) expressing - 3y in terms of x by subtracting 2x from both sides

- 3y = 24 - 2x

Substitute 3y = 24 - 2x into (4)

10x + 24 - 2x = 72, that is

8x + 24 = 72 ( subtract 24 from both sides )

8x = 48 ( divide both sides by 8 )

x = 6

Substitute x = 6 in either (3) or (4) and solve for y

Substituting in (3)

2(6) - 3y = 24

12 - 3y = 24 ( subtract 12 from both sides )

- 3y = 12 ( divide both sides by - 3 )

y = - 4

Solution is (6, - 4 )

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3 years ago

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atroni [7]

Answer:

x=2+ $\sqrt[]{2}$ or x= 2- $\sqrt[]{2}\\$

Step-by-step explanation:

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