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Gennadij [26K]
3 years ago
8

Due to weather mark walk to school day of the 20 days in february what would be the fraction representation for the number of da

ys he walk to school what will be the percent of the days in which mark walk to school
Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0

Tbe question doesn't state the number of days he walked to school out of 20 school days in the

Month of February.

Answer:

Kindly check explanation

Step-by-step explanation:

To. Obtain the fractional representayion for the number of days he walked to school ;

Let the number of days he walked to school = 10 (this is an hypothesized value)

Number of school days in February = 20

Fraction = 10 /20 = 0.5

The percentage of times walked to school : multiply the fraction obtained above by 100%

0.5 * 100% = 50%

Just put the desired value and proceed uSing the steps described above.

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Find the area under the standard normal distribution curve for each.
yawa3891 [41]
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P(z<1.95) = 0.9744
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P(z<2.05) = 0.9798
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Answers:
    Range of z                                       Area
     --------------   ---------------------------------------
a.     0 - 1.95                                      0.9744
b.     0 - 0.37                                     0.6443
c.  1.32 - 1.82   0.9656 - 0.9066 =   0.0590
d. 1.05 - 2.05  0.9798 - 0.8531   =   0.1267
e. 0.03 - 0.53  0.7019 - 0.5120   =   0.1899

8 0
3 years ago
Drake needs to drill holes in a wooden plank. The holes will have a diameter of 0.5 millimeters, with an error allowance of 0.05
Tanzania [10]

Answer:

 |x − 0.5| = 0.05

Step-by-step explanation:

Here x represents the diameter,

Since, an error of 0.05 millimeters is allowance in diameter,

Thus, the maximum acceptable diameter = x + 0.05,

And, the minimum acceptable diameter = x - 0.05

According to the question,

The holes will have a diameter of 0.5 millimeters,

Thus, x - 0.05 < 0.5  and 0.5 < x + 0.05

⇒ x - 0.5 < 0.05 and x - 0.5 > - 0.05  

⇒ x - 0.5 < 0.05 and -(x -0.5) < 0.05

⇒ |x-0.5| < 0.05

⇒ Option D is correct.

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2 years ago
If f(x) = ||x|| , find f(−14)
bogdanovich [222]

Answer:

14

Step-by-step explanation:

f(-14) = ||-14|| = |14| = 14

3 0
3 years ago
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