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lorasvet [3.4K]
3 years ago
13

The perimeter of a square is 67 cm. What is the length of its

Mathematics
2 answers:
cestrela7 [59]3 years ago
6 0
The answer is C , hope it helped :)

Salsk061 [2.6K]3 years ago
3 0
Let each side be = x

Perimeter = 67 cm
4x = 67 cm
x = 16.75 cm
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Patrick has $12,000 saved for medical school from gifts and summer jobs. Because the cost of college has risen each year, Patric
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Based on the given situation above about Patrick's savings, I can say that the best option for him in order to keep up with the increase 20 years after would be to utilize a compound interest account. The answer would be option B. Notice that with compound interest account, the amount he gets is around $31,000. Hope this helps.
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3 years ago
Suppose that we will randomly select a sample of 106 measurements from a population having a mean equal to 19 and a standard dev
svet-max [94.6K]

Answer:

z =\frac{18.45-19}{\frac{7}{\sqrt{106}}}= -0.809

And if we use the normal standard distribution or excel we got:

P(z

Step-by-step explanation:

For this case we have the following info given:

\mu = 19 represent the mean

\sigma = 7 represent the standard deviation

n = 106 represent the sample size

The distribution for the sample size if we use the central limit theorem (n>30) is given by:

\bar X \sim N(\mu , \frac{\sigma}{\sqrt{n}})

And for this case we want to find the following probability:

P(\bar X< 18.45)

And for this case we can use the z score formula given by:

z =\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}

And replacing we got:

z =\frac{18.45-19}{\frac{7}{\sqrt{106}}}= -0.809

And if we use the normal standard distribution or excel we got:

P(z

4 0
3 years ago
Mr. Jacob arrived at his school at 07:10 and left at 15:45. How long was he in his school?
Makovka662 [10]

Answer:

he stayed 8 hours and 35 minutes

Step-by-step explanation:

15 -7 =8

45-10=35

7 0
3 years ago
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Vlad1618 [11]
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3 years ago
Ten less than the prouduct of six and a number is 32. which equation would help you find the number
OlgaM077 [116]

Answer:

6x-10 =32

Step-by-step explanation:

Let the number be x

the product of 6 and a number

6x

ten less than

6x-10

That is equal to 32

6x-10 =32

3 0
3 years ago
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