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Monica [59]
3 years ago
7

At the post office, 42% of packages ship priority mail. If 150 packages are shipped today, how many will not go priority mail?

Mathematics
1 answer:
kenny6666 [7]3 years ago
7 0

Since 42% of packages are being shipped via priority mail, we can safely assume the other 58% are not. 150 x 0.58 is 87.

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5. Expla in why 4 is or is not a multiplicative inverse mod 10 of 7.
AnnZ [28]

Answer:

  4 is not. (3 is)

Step-by-step explanation:

A number is the multiplicative inverse of 7 (mod 10) if the product mod 10 is 1.

7 × 4 mod 10 = 28 mod 10 = 8 . . . . not 1

5 0
3 years ago
A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were w
lana66690 [7]

Answer: 0.3679

Step-by-step explanation:

The cumulative distribution function for exponential distribution is :-

P(x)=1-e^{-\lambda x}, where \lambda  is the mean of the distribution.

Given :  A mean length of waiting time equal 2.8 minutes

i.e. Mean number of calls answered in a minute \lambda=\dfrac{1}{2.8}

Now, the proportion of callers is put on hold longer than 2.8 minutes is given by :_

P(x>2.8)=1-P(x

Hence, the proportion of callers is put on hold longer than 2.8 minutes = 0.3679

8 0
3 years ago
The perimeter of a basketball court is 84 meters and the length is 6 meters longer than twice the width. what are the length and
Colt1911 [192]
The length is 30 meters and the width is 12 meters. 
3 0
3 years ago
PLS HELP ASAPPP plsss
Anna71 [15]

Answer:

27.5

Step-by-step explanation:

this is the trigonometric ratio.. we are looking for d... that is the opposite... any side facing the angel is the opposite.... so the longest side of the right angle triangle is the hypotenuse........ so you are looking for the opposite and you are giving the hypotenuse.... so the easiest way to know how to find it is by using this way...... SOH CAH TOA..... the first words stand for sin cosine and tangent of angles.... we are using sin.... because it says opposite / hypotenuse... and as you can see the angle which is 39 degree we will use sin 39.....what will be sin 39=d/30m....then ull cross multiply.... d=30m* sin 39.....

d = 30m *0.963

d = 28.8

but since 27.5 is dere....

you can round up to 1 sig. f =28

4 0
3 years ago
A woman walks due east on the deck of a ship at 4 mi/h. the ship is moving south at a speed of 24 mi/h. find the speed of the wo
grandymaker [24]

we are given

A woman walks due east on the deck of a ship at 4 mi/h.

the ship is moving south at a speed of 24 mi/h

so, firstly, we will draw diagram

so, we have

OW=4

OS=24

now, we can use Pythagoras theorem

SW^2=OS^2+OW^2

now, we can plug values

and we get

SW^2=24^2+4^2

SW=24.33

so,

the speed of the woman relative to the surface of the water is 24.33 mi/h .......Answer


6 0
3 years ago
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