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Semenov [28]
3 years ago
6

Sam raked 3 bags of leaves in 16 minutes. if he continues to work at the same rate about how long will it take him to rake 5 bag

s
Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0
3 bags = 16 m
1 bag = 5/1/3 m
5 bags = 26 m 40 seconds

i am a mathematics teacher. if anything to ask please pm me
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The life of a semiconductor laser at a constant power is normally distributed with a mean of 7,000 hours and a standard deviatio
Scrat [10]

This question not incomplete

Complete Question

The life of a semiconductor laser at a constant power is normally distributed with a mean of 7,000 hours and a standard deviation of 600 hours. If three lasers are used in a product and they are assumed to fail independently, the probability that all three are still operating after 7,000 hours is closest to? Assuming percentile = 95%

Answer:

0.125

Step-by-step explanation:

Assuming for 95%

z score for 95th percentile = 1.645

We find the Probability using z table.

P(z = 1.645) = P( x ≤ 7000)

= P(x<Z) = 0.95

After 7000 hours = P > 7000

= 1 - P(x < 7000)

= 1 - 0.95

= 0.05

If three lasers are used in a product and they are assumed to fail independently, the probability that all three are still operating after 7,000 hours is calculated as:

(P > 7000)³

(0.05)³ = 0.125

7 0
3 years ago
first, measures the triangle's angles. They are all 60 degrees. Then, measures the sides. Side 1 is 6 cm long. Side 2 is also 6
jenyasd209 [6]

Answer:

The correct answer is 6 cm.

Step-by-step explanation:

The measure of all angles of the triangle is given to be 60 degrees. This invariably means we are talking about an equilateral triangle as all angles of an equilateral triangle are equal.

Also all sides of an equilateral triangle is known to be equal. Therefore the measure of all sides of the concerned triangle are equal.

Given the measure of two length of sides are 6 cm respectively.

Therefore the length of side 3 is 6 cm, equal to the other two sides.

6 0
3 years ago
21 quarters out of 186 quarters simplest form
posledela
21/186
Answer: 7/62
Hope this helps!!!!!!!

4 0
3 years ago
Read 2 more answers
PLEASE ANSWER PLZZZ HELP
stich3 [128]
0.0307 or what are you giving us here?
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3 years ago
What is 6 thousandths of a meter of a decimal
Svetllana [295]
0.006
That's you're answer
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3 years ago
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