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Oksana_A [137]
3 years ago
7

It seemed like the graduation speech would last forever. Tyler leaned over to his father and asked in a discreet whisper, ''What

time is it now?'' His father told him it was one-fourth of an hour after the last time he asked. If it was 1:15 p.m. the last time he asked, what time is it now?
Mathematics
1 answer:
NeX [460]3 years ago
4 0

Answer:

1:30 pm

Step-by-step explanation:

1/4 of an hour is 1/4 of 60 minutes, or 15 minutes

15 minutes past 1:15 would be 1:30 pm

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Help me guys I need help ?​
Nostrana [21]

Answer:

The answer is D. Hope this helps

4 0
3 years ago
Read 2 more answers
Simplify the function f (x) = f(x)= 1/2 (27)^ 2x/3. Then determine the key aspects of the function.
lora16 [44]

Answer:

f= (not applicable)

x= f(x)=1/2*((27) squared (x/3))

Step-by-step explanation:

3 0
3 years ago
Kaylee drove 75.5 miles in 54 minutes,if she continues to drive at the same rate, how long will it take her to drive 250 miles?
Crazy boy [7]

Answer:

179 minutes

Step-by-step explanation:

  1. Divide both sides by 75.5 to see how many minutes it would take to drive 1 mile. (54 / 75.5) =108/151
  2. She can drive 1 mile in 108/151 minutes
  3. Times by 250. (108/151 * 250) 178.8
  4. 179 to nearest minute
7 0
3 years ago
recent research indicated that about 20% of british children are deficient in vitamin d. suppose doctors test a group of element
blsea [12.9K]

If about 20% of British children are deficient in vitamin and doctors test a group of elementary school children, the probability that the first vitamin d-deficient child is the 8th one tested is 4.19% determined using geometric distribution formula.

In probability and statistics, geometric distribution refers to the probability that first success would occurs after n number of trials and is given by:

P(X)=q^(x-1)p

Where p is the probability of success and q is (1-p)

In this case,

p=probability of children deficient in vitamin= 0.2

q= probability of children not deficient in vitamin= 0.8

Hence,

P(8)=0.8^(8-1)*0.2= 0.0419

Hence, the probability that 8th child is deficient is 4.19%

Learn more about geometric distribution:

brainly.com/question/14957440

#SPJ4

8 0
1 year ago
Si una matriz tiene una fila o columna de ceros su determinante es:
Anni [7]

Answer:

es la A

Step-by-step explanation:

la columna es de cero ,es lo mismo

4 0
3 years ago
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