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2 years ago

Rewrite the following to show that the opposite of a sum is the sum of the opposites. -(1/4 +6)

Mathematics

2 answers:

alina1380 [7]2 years ago

5 0

Answer:

1/4+6

Step-by-step explanation:

guapka [62]2 years ago

4 0

1/4-6

Hope this helps

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What is 50 percent of 18?

Effectus [21]

Steps:
18*0.5=9

Answer:

9

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2 years ago

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The lifetime for a certain type of tre has been shown to be five years the mean) with a standard deviation of 6 months. In a nor

olga_2 [115]

Answer:

2.28%

Step-by-step explanation:

mean = 5 years = 60 months

standard deviation = 6 months

X = number of years the tires will last

P = probability of ...

z = z-score

6 years = 72 months

z = (# of months - mean) / standard deviation

z = (72 - 60)/6

z = 12/6

z = 2

P(X > 72) = 1 - P(X < 72)

= 1 - P(z < 2)

(using a Standard Normal Probabilities Table we can see that P(z < 2) = .9772)

So:

= 1 - .9772

= 0.0228 OR 2.28%

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2 years ago

What is the net force on the image(NEED ASAP)

ollegr [7]

Answer:

1200 N right

Step-by-step explanation:

Subtract 150 from 1350. Since there is more force towards the right, the net force is 1200 N right

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2 years ago

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Pete, a professional bowler, is unhappy with any game below 200. Over time, 80% of his games exceed this score. What is the prob

Aneli [31]

The probability that Pete exceeds 200 in at least 9 of his next 10 games is 0.268+0.1074 = 0.3754

<h3>What is Probability ?</h3>

Probability is defined as the likeliness of an event to happen.

It has a range of 0 to 1.

It is given that

Pete, a professional bowler, is unhappy with any game below 200

80% of his games exceed this score.

the probability that Pete exceeds 200 in at least 9 of his next 10 games is given by

P( 9/10 > 200) +P(10/10>200)

The binomial experiment consists of n trial out of it x is success.

$P( x) = \dfrac{n!}{x!(n-x)!}p^x(1-p)^{n-x}$

Here p = 0.8

For 9/10 matches

$P( 9/10 > 200) = \dfrac{10!}{9!(10-9)!}0.8^9(1-0.8)^{10-9}\\\\ = {10}(0.8)^9(0.2)\\= 0.268$

For (10/10 >200)

$P( 10/10 > 200) = \dfrac{10!}{10!(10-10)!}0.8^{10} (1-0.8)^{10-10}\\\\ = {1!}(0.8)^{10}\\= 0.1074$

Therefore the probability that Pete exceeds 200 in at least 9 of his next 10 games is 0.268+0.1074 = 0.3754.

To know more about Probability

brainly.com/question/11234923

#SPJ1

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2 years ago

A Weather Forecaster, predicts that there is a 25% chance of rain on Saturday and a 40% chance of rain on Sunday. If these proba

densk [106]

Answer:

10%.

Step-by-step explanation:

These 2 probabilities are independent so we multiply them:

Prob(It rains both days) = 0.40 * 0.25

= 0.10

= 10%.

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3 years ago