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morpeh [17]
3 years ago
10

The average blink last one-tenth of a second. If you blink 14,000 times per day, for how many seconds are your eyes closed while

you’re awake? Divide this number by 60 to determine the number of minutes per day your eyes are closed while awake. (2 pts.)
Mathematics
1 answer:
Katen [24]3 years ago
8 0

Answer:

14?

Step-by-step explanation:

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An article describes a study in which a new type of ointment was applied to forearms of volunteers to study the rates of absorpt
Nuetrik [128]

Answer:

There were 70 choices for the four locations to apply the new ointment

Step-by-step explanation:

The order in which the locations are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

How many different choices were there for the four locations to apply the new ointment

Four locations from a set of 8. So

C_{8,4} = \frac{8!}{4!(8-4)!} = 70

There were 70 choices for the four locations to apply the new ointment

3 0
3 years ago
Matt plans to put concrete on a rectangular portion on his driveway. The portion is 8 feet long and 4 inches high. The price of
marishachu [46]
First the cost of $98 /yd³ by the conversion factor that
1 yd³ = 27 ft³.
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Let x be the width, the volume of the rectangular portion of the driveway is,

 V = (8 ft) (1/3 ft) x = 8x/3 ft³

Using the given total cost of the protion,
 C = $58.07 = (8x/3 ft³)(<span>$ 3 17/27/ft³) 

x = 5.99957 ft
 the answer is  6 feet. (rounded)</span>
8 0
3 years ago
Find three consecutive integers whose sum of the first and the third is -88.
vlada-n [284]
-43
-44
-45.
-43 + -45 is -88
3 0
3 years ago
Guys i need help please
klio [65]
I would help but I’m not sure how, please do not press that link or else it will track your address! <33
5 0
2 years ago
Please help... need help ASAP
abruzzese [7]

Answer:

c

did the test got it right.

Step-by-step explanation:

7 0
3 years ago
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