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Paladinen [302]
2 years ago
9

Which of the following are equivalent to 4+(14 - 2)

Mathematics
1 answer:
Yuki888 [10]2 years ago
8 0

Hey there!

4 + (14 - 2)

DROP the PARENTHESES

4 + 14 - 2

14 - 2 = 12

4 + 12 = 16

Answer: 16

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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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
A customer pumps $35.40 total in gas and pays with a $50 bill. What is the amount of change the customer should receive?
djverab [1.8K]
$50 - $35.40 = $14.60
8 0
3 years ago
Read 2 more answers
What's the equation for the line that passes through the given point and is parallel to the graph of the given line (3,-1);y=2x-
ad-work [718]
You should plug the x and y values into the original equations to get your b value. You should get a b value of 7. Your new equation should be y=2x+7
5 0
3 years ago
I don't understand this pls help
Nitella [24]

Answer:

1

Step-by-step explanation:

Solve. Remember to follow PEMDAS.

PEMDAS  is the order of operation, and =

Parenthesis

Exponent (& Roots)

Multiplication

Division

Addition

Subtraction

First, divide 54 with -6:

54/(-6) = -9

Next, combine the terms.

10 + (-9) = 10 - 9 = 1

1 is your answer.

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3 years ago
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5
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15 would be in simplest form
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