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Daniel [21]
3 years ago
7

What is the probability that 20 tosses of a fair coin will show 13 heads?

Mathematics
1 answer:
marusya05 [52]3 years ago
4 0

Answer:

44

Step-by-step explanation:

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Find the constant of proportionality (r) in the equation y=rx
Schach [20]

Answer:

0.1

Step-by-step explanation:

r = y/x

r = 1.4 / 14 = 0.1

8 0
3 years ago
Need help on 5 & 6 please !!!
Novosadov [1.4K]

Step-by-step explanation:

Q5. Let the cost of 28subscriptions be $s.

Words: 1subscription/28subscription = $21/$28

Numbers: 1/28 = 21/s

Cross multiply and solve: 1 x s = 21 x 28

s = 588

Answer with label: $588

Q6.

Words: 2inches/3.6inches = 2.5hours/bhours

Numbers: 2/3.6 = 2.5/b

Cross multiply and solve:

2 x b = 2.5 x 3.6

2b = 9

b = 4.5

Answer with label: 4.5hours

5 0
3 years ago
Please help, will give double the points
kolbaska11 [484]
5.68 it has to be that
8 0
4 years ago
Read 2 more answers
10)
ddd [48]
77, 80, 87, 88, 92, 94, 99
the median is 88
Q1 is 80 and Q3 is 94
94-80 = 14 which is the interquartile range

therefore, your answer is D) 14
4 0
3 years ago
In one month a store had 1,222 in sales but exspenses were 2,345. How much did the store lose in that month
Digiron [165]
The store starts out as 0 profit

The store than made 1222 sales ( 0 +1222) = 1222

however, the store spent 2345  ( 1222- 2345) = -1123

The store lost 1123 (dollars? idk what the thing is, but the store lost 1123 of whatever that is)

hope this helps
8 0
3 years ago
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