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Nataly [62]
3 years ago
8

Determine the total amount of time worked if Natalie punches in at 8:15 AM and out at 11:42 AM, back in at 1:12 PM and out at 4:

00 PM.
Mathematics
1 answer:
patriot [66]3 years ago
5 0
8:15 AM - 11:42 AM = 3 hours and 27 minutes.
1:12 PM - 4:00 PM = 2 hours and 48 minutes.
3 hours + 2 hours = 5 hours.
27 minutes + 48 minutes = 1 hour and 15 minutes.
5 hours + 1 hour and 15 minutes = 6 hours and 15 minutes.

Natalie worked a total of 6 hours and 15 minutes.
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The weight distribution of parcels sent in a certain manner is normal with meanvalue 12 pounds and standard deviation 3.5 pounds
tino4ka555 [31]

Answer:

The parcel with weight less than 20.14 pounds are 99% of all parcels under the surcharge weight.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 pounds

Standard Deviation, σ = 3.5 pounds

We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.99

P( X < x) = P( z < \displaystyle\frac{x - 12}{3.5})=0.99  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 12}{3.5} = 2.326\\\\x = 20.141\approx 20.14  

Thus, parcel with weight less than 20.14 pounds are 99% of all parcels under the surcharge weight.

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3 years ago
The line segment joining the points a (3,2) and b (5,1) is divided at the point p in the ratio 1:2 and p lies on the line 2x-18y
kumpel [21]

your answer would be 2x-18y+k=0

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The ratio between CSA and TSA of a circular cylinder is 1:2. Find the volume of the cylinder if its total surface area is 616.
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A salesperson earns commission on the sales that she makes each month.
Anna35 [415]

Answer:

$800

Step-by-step explanation:

We first need to turn 8% into a decimal:

8% -> \frac{8}{100} -> 0.08

Next, multiply 10,000 by 0.08:

x=10,000(0.08)

x=800

The salesperson earned $800 worth of commission this month.

6 0
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F(x)=-4x^2+9 Find f(−3)
pochemuha

Answer:

f (-3) = 45

Step-by-step explanation:

f (x) =

4x {}^{2}  + 9

f (-3) =

(4 \times  - 3 \times  - 3) + 9

=》

36 + 9

=》

45

8 0
3 years ago
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