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kati45 [8]
3 years ago
9

a cone is a solid made from a disc, a point not in the same plane as the discs and all points between them. true or flase?

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0

Answer:

False.

Step-by-step explanation:

A cone is not a solid made from a disc, a point not in the same plane as the discs and all points between them.

Mathematically, the volume of a cone is given by the formula;

V = \frac{1}{3} \pi r^{2}h

Where;

V is the volume of the cone.

r is the radius of the base of the cone.

h is the height of the cone.

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Shkiper50 [21]

Answer:

a

Step-by-step explanation:

=3a + a + 2a - 5a

=4a - 3a

= a

hope it helps u tate!

5 0
3 years ago
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Angie has spent $150 on birthday presents for her daughter so far. If this is 50% of what she plans to spend, how much money doe
padilas [110]

Answer:

$300.00

Step-by-step explanation:

Since 50% means half, we can take the $150.00, and multiply it by two, getting $300.00.

<h2><u>Hope This Helped!</u></h2>
5 0
3 years ago
Hshshdh pls awnser as soon as possible
gogolik [260]
Volume of sphere = 4/3(pi)(r^3)
Given pi = 3.14, r = 10
4/3(3.14)(10^3)
= 4186.66
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3 years ago
If sin 2X = COS ZY and m2X = 72°, what is the measure of ZY?<br> 18°<br> 072°<br> 90°<br> 108°
KATRIN_1 [288]

Answer:

<u>18°</u>

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sin 2x=cos zy

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5 0
4 years ago
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The edge roughness of slit paper products increases as knife blades wear. Only 1% of products slit with new blades have rough ed
Masteriza [31]

Answer: Our required probability is 2.8%.

Step-by-step explanation:

Since we have given that

Probability of products slit with new blades have rough edges P(X) = 1%

Probability of products slit with blades of average sharpness exhibit roughness P(Y) = 3%

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Let A be the  selected product that exhibit edge roughness.

P(A|X) = 25% = 0.25

P(A|Y) = 60% = 0.60

P(A|Z) = 15% = 0.15

So, the probability of products that exhibit edge roughness is given by

P(X)P(A|X)+P(Y)P(A|Y)+P(Z)P(A|Z)\\\\=0.01\times 0.25+0.03\times 0.60+0.05\times 0.15\\\\=0.028\\\\=2.8\%

Hence, our required probability is 2.8%.

8 0
3 years ago
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