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Drupady [299]
3 years ago
5

Lucy started to run on a treadmill after setting its timer for 77 minutes. The display says that she has finished 79% of her run

. How many minutes have gone by? Round your answer to the nearest tenth.
Mathematics
1 answer:
max2010maxim [7]3 years ago
8 0

Answer:

60.8

Step-by-step explanation:

Step 1: Go on g oogle

Step 2: Type "79% of 77"

Step 3: Round your answer 60.83 to 60.8 because it said round to the nearest tenth.

You might be interested in
If a thermometer indicates 40 degrees Celsius, what's the temperature in degrees Fahrenheit? A. 22°F B. 72°F C. 54°F D. 104°F
Elena L [17]
F = 9/5C + 32

F = 9/5(40) + 32
F = 72 + 32
F = 105

40°C is ~105°F,  and the closest would be D.
5 0
4 years ago
56% enrolled if a same of 500 is randomly selected what probability 250 will get selected?​
dalvyx [7]

I'll get you started:

mean = np = (500)(.56) = ?

standard deviation = √npq = √(500)(.56)(.44) = ?

Note: q = 1 - p

Finish the calculations.

To find z-score:

z = (x - mean)/sd

Note: x = 250

Once you have the z-score, look in a z-table using the score to find your probability. Remember that the question is asking "at least 250" when looking at the table.

4 0
3 years ago
What is the probability of living another year for a woman who is 73 years old ?
AlladinOne [14]

Answer:

0.980413

Step-by-step explanation:

The table for the deaths and death rate per 100,000 population is attached below ;

73 years fall in the 65 - 74 years category ; with 1958.7 deaths (Female)

Hence, the probability of living another year is :

Number of deaths per 100,000 population ;

P(death) = 1958.7 / 100,000 = 0.019587

Probability of living another year = 1 - P(death)

1 - 0.019587 = 0.980413

8 0
3 years ago
Which equation could be used to solve for the length of side c, given a = 5, b = 12, and C = 72°?
dolphi86 [110]

Answer:

law of cosines

c^2=(5)^2+(12)^2-2(5)(12)cos72

7 0
3 years ago
Read 2 more answers
Help pleaseee!! If you answer can u explain it to me, thank you
oee [108]

Answer:

$7.50

Step-by-step explanation:

4 bottles of water cost $10, meaning that each bottle costs $2.50 (10/4 = 2.5). If 3 bottles are bought and each bottle costs $2.50, the total cost is $7.50 (3*2.5 = 7.5).

4 0
3 years ago
Read 2 more answers
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