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ahrayia [7]
3 years ago
6

David sent a survey to 12 classmates. One week laterb9 of the surveys were returned what percent of the surveys were returned

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
9 of 12 were returned which is the same as 9/12. Reduce the fraction...

9/12 = 3/4

To find percent we need the denominator to equal 100 so if we multiply by 25/25...

3/4 × 25/25 = 75/100 =

75%
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Find the volume of the cone.
Alona [7]

answer:

2,558

step-by-step explanation:

the formula for the volume of a cone is v=πr²h/3

with that let us 'fill in' the formula-

v=π*9.6²*26.5/3

v=2,557.51

then since you've asked us to round the answer to the nearest whole number that would be 2,558

good luck :)

i hope this helps

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have a nice day!

5 0
3 years ago
Physics students were modeling the height of a ball once it was dropped from the top of a 10 foot ladder. The
julsineya [31]

Answer:

<em>Interval notation: [0, 2.236]</em>

<em>Set Builder notation: </em>\{t\ |\ 0\le t\le 2.236\}

Step-by-step explanation:

Given that:

Equation of height of the ball dropped from a height of 10 foot, as:

h(t) = 10 - 2t^2

Where t is the time since the ball was dropped.

To find:

The domain of the function in Interval and set builder notation.

Solution:

<em>Domain of a function </em>is defined as the set of valid input values that can be given to the function for which the function is defined.

Here, input is time.

We can not have negative values for time.

Therefore, starting value for time will be <em>0 seconds</em>.

And the value of height can not be lesser than that of 0 ft.

0= 10 - 2t^2\\\Rightarrow 2t^2=10\\\Rightarrow t^2=5\\\Rightarrow t =2.236\ seconds

Maximum value for time can be 2.236 seconds.

Therefore the domain is:

<em>Interval notation: [0, 2.236]</em>

<em>Set Builder notation: </em>\{t\ |\ 0\le t\le 2.236\}

4 0
3 years ago
7 1/8 + 6 1/8 equals what? hurry
Citrus2011 [14]

Answer:

13 2/8

Step-by-step explanation:

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3 years ago
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natima [27]

Answer:

18x

Step-by-step explanation:

18x times 18x

so the side is 18x because it was squared

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2 years ago
Ken has 4.66 pounds of walnuts, 2.1 pounds of cashewes, and 8 pounds of peanuts. He mixes them together and divides them equally
weeeeeb [17]
0.82 pounds in each bag
6 0
4 years ago
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