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Sunny_sXe [5.5K]
3 years ago
7

What is the volume of this cone?

Mathematics
1 answer:
ki77a [65]3 years ago
5 0

Answer:

r=6.1cm

volume=1/3πr^2

=1/3×22/7×6.1^2

=818.62/21

=38.98cm^3

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Two numbers, a and b, have a sum of 24. The
mina [271]

Answer:

a= -12 and b=36

Step-by-step explanation:

a+b=24 and 3a+b

a-3a+b=24

-2a+b-b=24

-2a/-2=24/-2

a= -12

then substitute the value of a in a+b=24 to get the value of b

so let see -12+b=24

b=24+12

b=36

we can check it by the equation -2a+b-b=24

-2(-12)+36-36=24

24=24 so as you have seen the answer is correct

thanks!!!

7 0
2 years ago
Find each monomial 20x²​
Brrunno [24]

Answer:

  20x²​

Step-by-step explanation:

20x²​ is one term, a monomial.

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Find the 31st term of the following sequence.<br><br> 9, 15, 21, ...
Svet_ta [14]

Notice that the above sequence is arithmetic because the common difference: d is constant.

d = second term - first term.

= 15 - 9

= 6

The general term of an arithmetic sequence is,

a_{n} =a_{1} +(n-1)d

Where , nth term = a_{n}

a_{1} = First term

and d = common difference.

The given sequence is: 9, 15, 21, ...

Here a_{1} = 9,

d = 6

We need to find the 31st term. So, n = 31.

Next step is to plug in these values in the above formula. Therefore,

a_{31} =9 +(31-1)*6

= 9 + 30* 6

= 9 + 180

= 189

So, 31st term of this sequence is 189.

Hope this helps you.

4 0
3 years ago
The combined volume of all the tanks at an aquarium is 1.25×106 gallons. The aquarium plans to install a new dolphin tank with a
max2010maxim [7]

Answer:

250132.5

Step-by-step explanation:

1.25 x 106 = 132.5

250000 + 132.5 = 250132.5

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3 years ago
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