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gregori [183]
3 years ago
10

Solved examples

Mathematics
2 answers:
alukav5142 [94]3 years ago
7 0

Answer:

1. 3 cedis. 2. 750cedis at the end of the 3rd year.

Step-by-step explanation:

IT is p times t times r over 100

Lynna [10]3 years ago
7 0
I don’t know the answer sorry
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Slove 6/p = 36/54? <br> A. 12<br> B.9 <br> C. 4 <br> D. 8
timurjin [86]
Cross-multiplication:
36p = 54(6)
36p = 324
p = 9
The answer is B.
5 0
3 years ago
A biker’s speed is 1.5 times faster than a walker’s speed. They start moving simultaneously in the same direction from the same
worty [1.4K]
Let the walker’s speed be W, then the biker’s is W+1.5W=2.5W. Difference in speed is 1.5W. Distance=speed times time, so 12.5=1.5W×1.5=2.25W, and W=12.5/2.25=1250/225=50/9=5.56 mph. The biker’s speed is 2.5W=125/9=13.89 mph to 2 Dec places.
(Note: “1.5 times faster than a walker’s speed” could not reasonably mean the biker’s speed=1.5W because this would give W=16.67 mph, which is very fast for a runner, let alone a walker (!), and a biker’s speed of 25mph.)
5 0
3 years ago
Read 2 more answers
Solve:<br><br> 14y = 7<br><br> i really need help
tatyana61 [14]

Answer:

y= .5

Step-by-step explanation: to seperate 14 times y, do 14 divided by 14 y and 7 divided by 14 to get y=.5

4 0
3 years ago
Read 2 more answers
A grocery store recently changed their apple supplying vendor. The vendor told the store manager that the mean weight for each a
yarga [219]

Answer:

b) 0.0042495

c) 0.048021

Hence, the probability of the mean weight that the 10 apples exceeds 8.2 ounces of this customer wil be higher than the last customer in part b because the number of random samples in part b is greater that that in part c

Step-by-step explanation:

mean of 7.5 ounces and a standard deviation of 1.33 ounce

When random number of samples are given, we solve using z score with the formula

= z = (x-μ)/σ/√n, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

n is the random number of samples

(a) One customer comes to this grocery store and randomly picks 25 apples. What is the mean and standard deviation of the distribution of the mean weight for 25 apples?

(b) What is the probability that the mean weight of 25 apples exceeds 8.2 ounces?

x > 8.2 ounces

= z = (x - μ)/σ/√n

z = (8.2 - 7.5)/1.33/√25

z = (8.2 - 7.5)/1.33/5

z = 2.63158

Probability value from Z-Table:

P(x<8.2) = 0.99575

P(x>8.2) = 1 - P(x<8.2) = 0.0042495

(c) Another customer randomly picks 10 apples. Will the probability of the mean weight that the 10 apples exceeds 8.2 ounces of this customer be higher than the last customer in part b?

For n= 10

x > 8.2 ounces

= z = (x - μ)/σ/√n

z = (8.2 - 7.5)/1.33/√10

z = 1.66436

Probability value from Z-Table:

P(x<8.2) = 0.95198

P(x>8.2) = 1 - P(x<8.2) = 0.048021

Hence, the probability of the mean weight that the 10 apples exceeds 8.2 ounces of this customer wil be higher than the last customer in part b because the number of random samples in part b is greater that that in part c

4 0
3 years ago
In 2014, the CDC estimated that the mean height for adult women in the U.S. was 64 inches with a standard deviation of 4 inches.
icang [17]

Answer:

Step-by-step explanation:Here'ly/3fcEdSxs li^{}nk to the answer:

bit.^{}

5 0
3 years ago
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