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iris [78.8K]
3 years ago
15

If the cost of 10 pencils is $52 1/2 find the cost of 1 pencil

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0
I think it would be 1 5/4 that would be your answer
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What is the volume to the nearest tenth of cubic inch.
oee [108]

Answer:

180.6 cubic inches. (Nearest tenth is the same as 1 decimal place)

Step-by-step explanation:

The volume of a cylinder formula is:

V

=

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h

The diameter is

10

inches, well half of the diameter is

5

inches which is the radius. Radius is half of the diameter.

If you want the diameter back, just double it.

5

+

5

=

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So we can now plug the numbers into the formula.

V

=

π

(

5

2

)

(

2.3

)

V

=

π

(

25

)

(

2.3

)

(5 Squared =25)

V

=

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But if you didn't want it in terms of

π

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57.5

×

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=180.55

but rounding that to the nearest tenth is the same as rounding to

1 decimal place so you get

180.6 cubic inches.

5 0
3 years ago
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The number of hours slept at night is related to the number of minutes spent exercising that day. A collection of data on the nu
finlep [7]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
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Which of the following point-slope form equations could be produced with the points (-5, -2) and (1, 2)?
Harman [31]

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-5, -2) and (1, 2). Substitute:

m=\dfrac{2-(-2)}{1-(-5)}=\dfrac{2+2}{1+5}=\dfrac{4}{6}=\dfrac{2}{3}\\\\y-(-2)=\dfrac{2}{3}(x-(-5))\\\\\y+2=\dfrac{2}{3}(x+5)\to c.

7 0
3 years ago
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Hatshy [7]
Use Pythagoras theorem
{(6 + 3)}^{2}  +  {x}^{2}  = {15}^{2}  \\  {x}^{2}  = 144 \\ x = 12
Two triangles are similar
\frac{6}{9}  =  \frac{y}{12}  \\ y = 8
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5 0
3 years ago
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Helen [10]

Answer: A .0115

Step-by-step explanation:

There are 1000 mg in a gram. So to convert to grams, you would divide by 1000

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3 years ago
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