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sertanlavr [38]
3 years ago
10

How does the volume of a cone change if the height is doubled ?

Mathematics
2 answers:
kupik [55]3 years ago
8 0

answer is b)2/3 pie r^2 h

dexar [7]3 years ago
6 0
If you keep the radius the same and double the height, you find that by experimentation with this a few times, doubles your volume as well.  That means that instead of 1/3 pi r^2 h, we will have 2/3 pi r^2 h.  Your answer B.
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The difference between one-half a number and the number is 8 find the number
kolbaska11 [484]

Answer:

The number is  48

Step-by-step explanation:

First, let's call the number we are looking for n.

We can then write "two-thirds of the number" as 2/3n

We can also write "one-half of a number" as 1/2n

Finally, we are told 1/2n is the same as 2/3n −8 or: 1/2n = 23n −8  

We can now solve for n: 1/2n − 2/3n = 2/3n −8 − 2/3n 1/2n − 2/3n = −8We next need to get the fractions over common denominators, in this case, 6 by multiplying each fraction by the necessary for of 1: (3/3) 1/2n − (2/2) 2/3n = −8 3/6n − 4/6n = −8 − 1/6n = −8.  

We can finally solve for n by multiplying by -6 to isolate n −6 ⋅(−1/6)n = −8⋅ − 6  

1n = 48

n =48

8 0
3 years ago
Find the breadth of the rectangle whose<br>perimeter is 360 cm &amp; whose length is<br>100 cm.​
Ghella [55]

Answer:

Step-by-step explanation:

perimeter P= 2L+2W

360=2(L+W) divide by 2

180=L+W

we know the L=100

180=100+W

W=80

5 0
3 years ago
I want the answer for this question and how you got it please please!
Olin [163]

Answer:

alternate interior angle tq

8 0
3 years ago
When you write $1.35, what does the decimal point mean
mote1985 [20]

Answer and explanation:

well the decimal is mainly used to separate the dollars from the cents so basically means that dollars are ending and the rest continues as cents or that its separating the dollar from the cent.

Can i please have brainiest it would help a lot.

8 0
3 years ago
Read 2 more answers
Tonisha has a lemonade stand. She has $34 in expenses and wants to make at least $76 per day.
saul85 [17]

Answer:

x − 36 ≥ 55

Step-by-step explanation:

Given:

At least income = $76

Total expenses = $34

Find:

Inequality

Computation:

Assume;

Total amount of sales = x

So,

Inequality;

x − 36 ≥ 55

 

3 0
3 years ago
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