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Ainat [17]
3 years ago
14

Krissy ran three miles one morning she ran the first mile in 11. 74 minutes the second mile in 11. 26 minutes in the third mile

in 12.12 minute Rounded to the nearest hundredth what is the total number of minutes that it took Krissy to run these three miles?

Mathematics
1 answer:
gladu [14]3 years ago
8 0
Add up all the miles- 11.74+12.12+11.26 is 35.12. 34.12 minutes is the answer
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Eleven percent of the pens made by Apex are defective.
sergiy2304 [10]
Let A be the event 'made by Apex and defective':
P(A) = 0.67 x 0.11 = 0.0737
Let B be the event 'made by B-ink and defective':
P(B) = 0.33 x 0.06 = 0.0198
Let C be the event 'made by Apex or B-ink and defective':
P(C) = P(A) + P(B) = 0.0737 + 0.0198 = 0.0935
P(defective and made by Apex) = 0.0737/0.0935 = 0.788
The answer is 0.788 or 78.8%.


3 0
3 years ago
Let f ( x ) = 2 x − 1 , g ( x ) = 3 x , and h ( x ) = x ^2 + 1 , what is h( h ( 5) ) ?
strojnjashka [21]
First you would solve for h(5) by plugging in 5 as your x, then solving it.

h(5) = 5^2 + 1
h(5) = 25 + 1
h(5) = 26

Next you would multiply the 26 by the individual h, which is basically h(1).

h(1) = 1^2 + 1
h(1) = 2

Lastly you multiply your h(1) value by the h(5) value to get your answer.

h(1) • h(5) = 26 • 2
h[h(5)] = 52
7 0
4 years ago
What is the probability that the next flood will occur four years from now?
Mrac [35]
1 in 100 or 1/100 would be the probability
6 0
3 years ago
Plz help me with these math questions
Akimi4 [234]
For b on the first paper you will start with the distribution property and multiply both x and 2 by 3 because they are in the ()
now you have 3x+ 6=x-18
from here you can subtract x from both sides
2x+6=-18
next subtract 6 from both sides
2x=-24
divide both sides by 2...
x=-12
hope this helped
8 0
3 years ago
An item prices $80 is on sale for 20% off there is a 3% sales tax what is the amount before taxes
Eduardwww [97]

Answer:$64 BEFORE TAX

Step-by-step explanation: Pretax price:$62.14

Sales tax:$1.86

Total price with sales tax:$64.00

3 0
3 years ago
Read 2 more answers
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