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Phantasy [73]
3 years ago
8

A family plans to have 3 children. For each birth, assume that the probability of having a boy is the same as the probability of

having a girl. What is the probability that they will have at least two boys? (Hint: You might want to list the sample space to answer this question.)
Mathematics
1 answer:
Rzqust [24]3 years ago
3 0

Answer:

1/2

Step-by-step explanation:

50-50 chance they will have a boy each time, 50-50 chance they will have a girl each time

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A square sheet of paper measures 42 centimeters on each side. What is the length of the diagonal of this​ paper?
Illusion [34]
59.4cm
Use Pythagorean theorem to find the diagonal (^ means exponent)
a^2 + b^2 = c^2
42^2 + 42^2= c^2
1764+1764=c^2
3528=c^2
square root both sides
c= 59.39696962
round and you get 59.4 cm
5 0
3 years ago
I need to find cos z please
Svetach [21]

Answer: 61.92751306414704

Step-by-step explanation:

6 0
3 years ago
The m∠1 is the 63° angle. What is the measure of angle 1? degrees
zvonat [6]

Answer:

117 degrees

Step-by-step explanation:

theres no picture and not alot of context so i just subtracted 180 and 63

6 0
3 years ago
Read 2 more answers
A festival charges $3 for child admission and $5 for adult admision. At the end of the festival they have sold 779 tickets for a
lutik1710 [3]

Answer:

562 child tickets were sold

217 adult tickets were sold

Step-by-step explanation:

A festival charges $3 for children admission and $5 for adult admission

At the end of the festival they have sold a total number of 779 tickets for $2771

Let x represent the child ticket

Let y represent the adult ticket

x + y= 779..............equation 1

3x + 5y= 2771..........equation 2

From equation 1

x + y = 779

x= 779 -y

Substitute 779-y for x in equation 2

3x + 5y= 2771

3(779-y) + 5y= 2771

2337 - 3y + 5y= 2771

2337 +2y= 2771

2y= 2771 -2337

2y = 434

y = 434/2

y = 217

Substitute 217 for y in equation 1

x + y= 779

x + 217= 779

x = 779-217

x= 562

Hence 562 child tickets were sold and 217 adult tickets were sold

6 0
3 years ago
Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .
lesya692 [45]

Formula for the area of a quarter circle: A = (pi x r^2) / 4

A = (pi x 1^2) / 4

A = 1pi / 4

A = 0.79 square centimeters

Hope this helps! :)

8 0
3 years ago
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