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3 years ago

PLEASEEE URGENT !!!!!!!!

Mathematics

2 answers:

Sloan [31]3 years ago

8 0

Answer:3d=15 d=5

Step-by-step explanation: Divide 3 on both sides which gives you 5.

xenn [34]3 years ago

5 0

Answer:

Find the X and Y Intercepts 3x-5y=-20

Find the X and Y Intercepts 3x-5y=-20. 3x−5y=−20 3 x - 5 y = - 20. Find the x-intercepts. Tap for more steps

Step-by-step explanation:

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A company produces computer batteries. Everyday, the company produces exactly 500 batteries. To keep track of how many batteries

valkas [14]

Using the binomial distribution, it is found that about 75 batteries each day are defective.

For each battery, there are only two possible outcomes, either it is defective, or it is not. The probability of a battery being defective is independent of any other battery, hence the binomial distribution is used to solve this question.

<h3>What is the binomial probability distribution?</h3>

It is the probability of exactly x successes on n repeated trials, with p probability of a success on each trial.

The expected value of the binomial distribution is:

$E(X) = np$

In this problem:

3 out of 20 batteries are defective, hence p = 3/20 = 0.15.

Each day, 500 batteries are produced, hence n = 500.

Then, the expected number of defective batteries in a day is given by:

E(X) = np = 500(0.15) = 75.

More can be learned about the binomial distribution at brainly.com/question/14424710

5 0

3 years ago

A butcher has 7 1/3 pounds of ground bee that will be priced at $1.24 per pound. He divides the meat into 7 equal packages. How

k0ka [10]

Answer:

In total, the four 7 packages would cost $9.09. However individually they would cost $1.30. Hope this helps!

8 0

4 years ago

You have 24 seashells and give 8 seashells to your sister. You arrange the rest of the seashells into 4 equal rows. Which steps

Oliga [24]

Answer:

24-8 = 16 if u divide 16 by 4 u get 4 in each row

Step-by-step explanation:

5 0

3 years ago

7. Allan went shopping for stationery. He bought x pens at $1.75 each and y books at

timurjin [86]

Answer:

$4.25

Step-by-step explanation:

x pens=$1.75

y pens =$2.50

Now,

in the terms of x and y ,

Alan spend altogether=1.75 +2.50

=$4.25

4 0

3 years ago

a parking lot is going to be 40 m and 100 m long. which dimensions could be used for a scale model of the lot? this is for apex

dimaraw [331]

40cm by 100cm could work.

6 0

4 years ago