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Gnoma [55]
3 years ago
9

Please help please please help please

Mathematics
1 answer:
zalisa [80]3 years ago
5 0
Spinning on Y out of three letters (G, I and Y) = 1/3
then either an easy or hard = 1/2

so
The probability that the spinner will stop on the letter Y and then easy
= 1/3 x 1/2
= 1/6
= 0.17

answer:
0.17

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My tens digit is double my ones digit. i am less then 70 and greater than 60.
Arte-miy333 [17]

The answer you are looking for would be 63.

63 is greater than 60, but less than 70, and the tens place (6) is double the ones place (3). Thus meaning 63 is the answer.

I hope this helps!

4 0
3 years ago
What is the answer for x?
Crank

Step-by-step explanation:

180 = 70 + 90 + y \\ y = 20 \\ (x + y + 18) + 44 + 90 = 180 \\ y = 8

8 0
2 years ago
Please help and first right answer will be marked branliest
lakkis [162]

Answer:

a) 320 students

b) 25 students

Step-by-step explanation:

Number of 18-years old in the survey:

(We add all  frequency points for each line)

0 + 30 + 20 + 60 + 70 + 40 + 60 + 40 + 0 = 320 students

Number of 18 year old spending between 25 and 35 minutes: 40 + 65 = 105

Number of 12 year old spending between 25 and 35 minutes: 30 + 50 = 80

105 - 80 = 25 students

5 0
3 years ago
If georgina travels 355 km in 7 hours how far will she travel in 8.5 hours at the same rate
rosijanka [135]
She'll have traveled approximately 431.07 km in 8.5 hours, also, 267.85448 miles per hour.
6 0
3 years ago
Some electronic devices are better used than new: the failure rate is higher when they are new than when they are six months old
Reptile [31]
Given that half of the personal music players sold by a particular brand have a flaw. If the player has the​ flaw, it dies in the first six months. If it does not have this​ flaw, then only 20​% fail in the first six months.
Let A be the event that it fails in I 6 months
B1 = it has a flaw
B2 = it does not have a flaw
B1 and B2 are mutually exclusive and exhaustive
the chances that it has this​ flaw
=The probability that it has the flaw is

7 0
2 years ago
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