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Monica [59]
2 years ago
14

The cost for a pack of 25 pens is4 .75

Mathematics
1 answer:
ycow [4]2 years ago
8 0

Answer:

0.20

Step-by-step explanation:

4.75 divide by 25 = 0.19

then 0.19 rounds to 0.20

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Is pi over 2 irrational
Luden [163]
It's irrational. 


An irrational number divided by a rational number will result in an irrational number
3 0
3 years ago
How do i find the square root of a number that is not a perfect square?
nlexa [21]
"Calculate the square root of 10 (√ 10) to 4 decimal places.<span>Find the perfect square number closer to 10. 32 = 9 and 42 = 16, so take 3.Divide 10 by 3. 10÷3 = 3.33 (you can round off the answer)Average 3.33 and 3. ( 3.33 + 3)÷2 = 3.1667."
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7 0
3 years ago
Help ???????????????????????
Likurg_2 [28]

Answer:

I dont remember how to do this but i wish you luck, try searching on khan academy for how to do this ;)

Step-by-step explanation:

5 0
3 years ago
Explain how you I got 0.16
dybincka [34]
So whats the question?
4 0
3 years ago
M is proportional to the cube of r. when r=3m,m=216.when r=5 find the value of m
klio [65]

Answer:

The value of m is 1000 for r=5

Step-by-step explanation:

Given that m is proportional to the cube of r

It can be written as:

m \propto\ r^3

When the proportionality symbol is removed a proportionality constant is introduced in the equation.

Let k be the proportionality constant

m = kr^3

Given

r=3,m=216

Putting the values

216 = k(3)^3\\216 = k * 27\\k = \frac{216}{27}\\k = 8

The equation will now become

m = 8r^3

Putting r = 5

m = 8(5)^3\\m = 8 * 125\\m = 1000

Hence,

The value of m is 1000 for r=5

7 0
3 years ago
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