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Anarel [89]
3 years ago
7

PLEASE TELL ME IF YOU DO I WILL GIVE YOU THESE POINTS IF YOU DON'T I WILL HUNT YOU DOWN WITH THE MODERATOR Thank you!

Mathematics
2 answers:
frez [133]3 years ago
8 0
1) This is visible in last part of the question, 
When daughter = 24
& Mom = 48

Then, 24 * 2 = 48

2) Peter = 35
Son = 10

35-x = 6(10-x)
35-x = 60-6x
6x - x = 60 - 35
5x = 25
x = 25/5
x = 5

So, 5 years ago is the answer.

Hope this helps!
ArbitrLikvidat [17]3 years ago
3 0
The daughter will be 24 and the mother would be 48 because 24*2=48.
and are there any answer for the second question

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Which expression is equivalent to 5(4f+3)-2f
Ierofanga [76]

Answer:

f = 5/6

Step-by-step explanation:

5(4f + 3) - 2f

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= 18f + 15

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f = 15/18

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3 years ago
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Let X denote a random variable which corresponds to the number of players in a team who get injured during a game. If we assume
Feliz [49]

Answer:

(a)

The values of X can be 0, 1, 2 , ..., 10 . So, X is a discrete random variable.

(b)

The distribution of X is Binomial distribution with the parameters n = 10 and p = 0.2

(c)

Probability that no one or one person will be injured = P(X = 0) + P(X = 1)

= 10C0 * 0.20 * (1 - 0.2)10-0 + 10C1 * 0.21 * (1 - 0.2)10-1

= 0.810 + 10 * 0.2 * 0.89

= 0.3758096

(d)

Average value of X = np

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(e)

Variance of X = np(1-p)

Variance of X = 10 * 0.2 * (1 - 0.2) = 1.6

(f)

Number of ways in which 2 people gets injured = 10C2 = 10! / ((10-2)! 2!) = (10 * 9) / (2 * 1) = 45

Assume the best player got injures, number of ways in which one people out of remaining 9 people gets injured = 9C1

= 9! / ((9-1)! 1!)

= 9

Probability that the best player got injured = Number of ways in which 1 people gets out of 9 and best person gets injured / Number of ways in which 2 people gets injured

= 9 / 45

= 0.2

4 0
3 years ago
In the diagram, point D is the center of the medium-sized circle that passes through C and E, and it is also the center of the l
mestny [16]

9514 1404 393

Answer:

  5/8

Step-by-step explanation:

The area of the smaller circles is proportional to the square of the ratio of their diameters. The two smallest circles have diameters equal to 1/4 the diameter of the largest circle. Hence their areas are (1/4)^2 = 1/16 of that of the largest circle.

Similarly, the medium circle has a diameter half that of the largest circle, so its area is (1/2)^2 = 1/4 of the are of the largest circle.

The smaller circles subtract 2×1/16 +1/4 = 3/8 of the area of the largest circle. Then the shading is 1-3/8 = 5/8 of the area of the largest circle.

3 0
3 years ago
What is the value of x in the equation 3x - 4y=65, when y=4?<br> N
4vir4ik [10]

Answer:

x =27

Step-by-step explanation:

3x - 4y=65

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3x -4(4) =65

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3 0
3 years ago
Plz help I’ll mark you
timurjin [86]

Answer:

A 1/2

Step-by-step explanation:

Ratio of short length to hypotenuse

= cos60

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4 0
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