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r-ruslan [8.4K]
3 years ago
5

Reasoning A cone with radius 4 and height 9 has its radius quadrupled. How many times greater is

Mathematics
1 answer:
vichka [17]3 years ago
7 0

Answer:

Quadrupled cone: 150.8 x 4 = 603.2

How many times greater is

the volume of the larger cone than the smaller cone?

603.2 - 150.8 = 452.4

the volume

of the cone would change if the radius were divided by four.

150.8 divided by 4 = 37.7

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Please some help me it’s due at 11:59
garik1379 [7]

Answer:

Metronome

Step-by-step explanation:

Metronome gives a steady beat to people that cant count beats in a measure

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3 years ago
A student has a class that is supposed to end at 9:00am and another that is supposed to begin at 9:10am. Suppose the actual endi
never [62]

Answer:

0.8340

Step-by-step explanation:

The aim of this question is to find the probability that the student makes it to the second class prior to when the lecture commences.

Provided that A, B, and C are independent of each other from the full complete question.

Then; we want P(A + C < B)

So A \sim N (2, 1.5)

B \sim N (10, 1)

C \sim N (6, 1)

P(A + C - B < 0)

Since they are normally distributed( i.e. A + C - B)

Then;

E(A + C -B) = E(A) + E(C) - (B)

E(A + C -B) = 2 - 10 + 6

E(A + C -B) =  -2

Var(A+C -B) = Var(A) + Var (B) + Var (C)

Var(A + C -B) = (1.5)² + (1)² + (1)²

Var(A + C -B) = 4.25

The standard deviation = \sqrt{4.25}

The standard deviation = 2.06155

P(A+C-B) = p \Big (Z < \dfrac{0-(-2)}{2.06155} \Big )

P(A+C-B) = p \Big (Z \le 0.97014  \Big )

\mathbf{P(A+C-B) = 0.8340}

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3 years ago
I need help with my test
Serga [27]

Answer:

Nine is 76, no clue about eight

Step-by-step explanation:

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Plaz guys help me on this question additional mathematics ​
Soloha48 [4]

Answer:

Step-by-step explanation:

vector OA=a

vector OB=b

vector OX= λ vector OA=λa

vector OY=μ vector OB=μb

a.

1.vector BX=(vector OX-vector OB)=λa-b

ii. vector AY=(vector OY-vector OA)=μb-a

b.

5 vector BP=2 vector BX

5(vector OP-vector OB)=2 (vector OX-vector OB)

5(vector OP-b)=2(λa-b)

5 vector OP-5b=2λa-2b

5 vector OP=2λa-2b+5b

vector OP=1/5(2λa+3b)

ii

complete it.

4 0
4 years ago
Write a linear function f with the given values
umka21 [38]
The answer is y=2x
have a good day
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