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3 years ago

14

an assembly line produces 20 items per hour. if the line runs 24 hours per day, 7 days week, how many items are made by this mac

hine in one month? (assume 30 days/month)

1 answer:

bezimeni [28]3 years ago

7 0

20(24) = 480 items per day
480(30) = 14,400 items per month

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A fair die is rolled 360 times. Find the probability that: a) less than50 results are a 6. B) between 55 and 65 results (inclusi

Karolina [17]

For this problem, you haven = 360p = 1/6q = 5/6 E[x] = np = 360*1/6 = 60SD[x] = √(npq) = √(360*1/6*5/6) = √(50) ≈ 7.07

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3 years ago

Solve for p and q if<br>p+q=2(p-q)<br>pq=675

IgorC [24]

Step-by-step explanation:-

Let p + q = 2( p - q) be eqn.1 and pq = 675 be eqn.2

Now , lets expand eqn.1

$=> p + q = 2p - 2q$

$=> 2p - p = 2q + q$

$=> p = 3q$

Lets put the value of p in eqn.2

$=> 3q \times q = 675$

$=> 3q^{2} = 675$

$=> q^{2} = \frac{675}{3} = 225$

$=> q = \sqrt{225} = +15 \: or \: -15$

Lets find out the value of p.

When q = +15 , $p = 3 \times 15 = 45$

When q = -15 , $p = 3 \times - 15 = -45$

Hence ,

p = ±45

q = ±15

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3 years ago

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The points (5, -16) and (8, r) lie on a line with slope 4. Find the missing coordinate r.

Anika [276]

Answer:

-4

Step-by-step explanation:

8-5= 3

x/3= 4

12/3=4

-16+12=-4

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3 years ago

In Alaska, Scientists are studying the melting of glaciers. They found that in the past 10 years, the glaciers receded about 59.

notka56 [123]

Answer:

5.905 feet

Step-by-step explanation:

59.05 divided by 10 = 5.905 (just move the decimal one place left for when dividing with 10)

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3 years ago

Need help I will give brainlisted and 70 points for the correct answer!

Rina8888 [55]

Answer:

#1 is 3.5 x 10^-1

#2 is 3.1 x 10^6

#3 is 5.3 x 10^-6

#4 is 4.2 x 10^-1

Step-by-step explanation:

You just need to multiply/divide the decimals, didn't even need the exponents

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3 years ago

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