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kogti [31]
3 years ago
12

A cup of coffee contains 130mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how long will it

take for half of this caffeine to be eliminated from a person's body?
Mathematics
1 answer:
uysha [10]3 years ago
4 0
It will take approx.65 of caffeine remaining after 6 hours
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If it takes Doug 40 mins to clean his home and Frankie 50 mins. How long will it take if they work together?
lora16 [44]
Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house
8 0
3 years ago
The volume of a cone is 88π cubic feet. Its height is 8 feet. Fatima is finding the radius of the cone. Her work is shown below.
Kisachek [45]
To evaluate the radius of the cone we proceed as follows:
V=1/3 πr²h
plugging in the values, v=88π, h=8 ft
step 1
88π1/3πr²(8)
step 2
88π=8/3πr²
step 3
 divide both sides by π
88=8/3r²
multiply both sides by 3/(8)
88(3/8)=r²
step 4
simplify
33=r²
step 5 
get the square root
r=√33

Thus the mistake that Fatima made was:
<span> In step 3, Fatima did not multiply 88 by the reciprocal of 8/3 </span>
9 0
3 years ago
Read 2 more answers
What is the slope of the line in the graph?
Goshia [24]

Answer:

My answer would be y=2x+1

Step-by-step explanation:

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Help me answering this question
tatuchka [14]

Answer:

D

Step-by-step explanation:

when we perform each of these transformations, the only one that does <u>NOT</u> make shape F congruent (the same position, orientation and size) with shape G, for it reflects over and axis making it mirror to G, but is then ROTATED 90 degrees into shape G's sector, rotating the shape 90 degrees as well

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Math please please please help
kondaur [170]

y=3|3+2|

Hope this helps!

-Payshence

8 0
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