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AnnZ [28]
3 years ago
5

What's 14/63 in simplest form

Mathematics
1 answer:
serious [3.7K]3 years ago
8 0
You would cancel the common factors in the numerator and denominator. 

Exact Form: 
2/9 

Decimal Form: 
0.222222222.....
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Thayne's credit card bill is $766.85. This includes his charges and interest. If the new charges are $559.45 more than the inter
Andrej [43]

Answer: The answer is 207.4 for the interest

Step-by-step explanation:

766.85 - 559.45= 207.4

8 0
3 years ago
Given f(x) = 4(x - 8), determine the value of f(10).
Komok [63]

Answer:

f(x) = 4(x - 8)

        4 (10 -8) = 8

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
You select a random sample of n=14 families in your neighborhood and find the following family sizes (number of people in the fa
satela [25.4K]

Answer:

a. Best estimate for the mean family size for the population of all families in a country is 16.3571428571

b. 95% confidence interval for the estimate is 16.3571428571±0.7106240840. That is between 15.6465187731 and 17.0677669411

c. The sample is unlikely to be very representative of all families in a country.

Step-by-step explanation:

a. mean family size for the population of all families in a country can be estimated as sample mean, and calculated as:

\frac{15+ 16+ 19+ 18+ 17+ 15+ 16+ 16+  15+ 16+  15+ 16+ 17+ 18 }{14} ≈ 16.3571428571

b. 95% confidence interval for the estimate can be calculated using the equation CI=M± \frac{t*s}{\sqrt{N} } where

  • M is the mean estimate (16.3571428571)
  • t is the corresponding statistic in the 95% confidence level and with 14 degrees of freedom (2.160)
  • s is the standard deviation of the sample (1.2309777100)
  • N is the sample size (14)

s can be calculated as square root of mean squared differences from the sample mean.

Thus 95% CI=16.3571428571± \frac{2.160*1.2309777100}{\sqrt{14} } ≈ 16.3571428571±0.7106240840

The sample is unlikely to be very representative of all families in a country because as the sample data increases, estimate will improve.

7 0
3 years ago
Read 2 more answers
1. If 4r – 10 = 18, what is the value of 2r + 9?
fgiga [73]

Answer:

23

Step-by-step explanation:

4r-10=18

4r=28

4r/4=28/4

r=7

2(7)+9=23

8 0
3 years ago
Read 2 more answers
10 tens - 1 ten 1 tenth
Ann [662]
1 tens cause 1 ten plus one 1 tenth is 11 and 11-10 is 1 right
3 0
3 years ago
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