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zhannawk [14.2K]
3 years ago
13

CAN SOMEONE HELP ME WITH B AND C PLEASE? I'LL MARK AS BARAINLIEST​

Mathematics
1 answer:
Finger [1]3 years ago
6 0

Since the radius of the semi circle is 10 cm then the diameter is 20 cm, when folded, its circumference is now 20, given the circumference find the radius of the cone. i guess

Volume = 1/3 πr2 (l2﹣r2)1/2

circumference = 20 cm = πD

D=6.363636364

Radius = 6.363636364/2 = 3.181818182

l = 10

vol = 100.51cm3

curved s.a = πrl

=99.96cm2

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Dahasolnce [82]

Answer:

Kindly check attached picture and explanation

Step-by-step explanation:

A.) The tree diagram is attached in the picture below.

B.) Number less than 3 :

Event A:

A = {1HH, 1HT, 1TT, 1TH, 2H, 2T}

C.)

Event B:

B = {1TT, 3TT, 5TT}

D.)

Event C:

C = {1HT, 1TH, 3HT,3TH,5HT, 5TH}

E.)  

A' = Elements not in A = number ≥ 3

A' = {3HH,3HT, 3TT, 3TH, 4H, 4T, 5HH, 5HT, 5TH, 5TT, 6H, 6T}

Question f and G are not well formatted ;

h. Check attached picture

I) i. Are A and B mutually exclusive? Are A and C mutually exclusive? Are B and C mutually exclusive?

A and B are mutually exclusive if AnB = ∅

Check :

AnB = {1TT}

Hence, A and B are not mutually exclusive

A and C

AnC = {1HT, 1TH}

A and C are not mutually exclusive.

B and C

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B and C are mutually exclusive

4 0
2 years ago
An airplane left Miami, FL. At the same time another plane left Santiago, Chile. The two planes flew toward each other at rates
Zinaida [17]

Answer:

3.5

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Relative speed will be:

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We therefore conclude that the planes met after 3.5 hours.

Hope this helps!

6 0
3 years ago
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Alchen [17]

Answer:

x=3

Step-by-step explanation:

3x+5=14

   -5  -5

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/3  /3

x=3

3 0
3 years ago
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Could I have some help please
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Since AB=AD, the triangle on the left is isosceles and has two 35 degree angles.  Since the sum of all the interior angles is 180 deg, 

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3 years ago
Find two consecutive integers whose <br> Sum is 93.
Alla [95]

Answer:

46 and 47.

Step-by-step explanation:

If x is one of the integers then the other is x+1.

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3 years ago
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