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stellarik [79]
2 years ago
12

Find 3 ratios that are equivalent to the given ratio.

Mathematics
1 answer:
Debora [2.8K]2 years ago
6 0

Answer:

A. 12:26 , E. 18:39 , D. 24:52

Hope this helped, brainliest would be appriciated :) have a nice day!

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A fitness center runs a contest for customers who enroll in its annual membership plan. The customers are allowed to draw a coup
krek1111 [17]

1. 20/35(30)=17.142

2. 5/35(60)=17.142

3. 10/35(60)=17.142



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3 years ago
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Join my G i m k i t Code is 85963
Ludmilka [50]

Answer

I joined but it said it was full

7 0
3 years ago
What is the inverse of 2/3?
jolli1 [7]
The inverse of 2/3 
is 3/2. 

Good Luck! :)

3 0
3 years ago
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The essay lengths of 29 randomly sampled essays are used to estimate the mean of the population. What t-score should be used to
slavikrds [6]

Answer:

A t-score of 1.701 should be used to find the 95% confidence interval for the population mean

Step-by-step explanation:

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 29 - 1 = 28

Now, we have to find a value of T, which is found looking at the t table, with 28 degrees of freedom(y-axis) and a confidence level of 0.95(t_{95}). So we have T = 1.701.

A t-score of 1.701 should be used to find the 95% confidence interval for the population mean

5 0
3 years ago
a bag contains only a red and blue marbles there are a total of 36 marbles in the back there are five red marbles for every four
Harrizon [31]
Let R and B be the number of red and blue marbles respectively.

Then,
R+B = 36
R:B = 5:4

Therefore,
Ratio of red marbles = 5/9
Ratio of blue marbles = 4/9
This means,
R = 5/9*36 = 20 marbles
B = 4/9*36 = 16 marbles

If one blue marble is removed from the bag, the  new B= 16-1 = 15 blue marbles  and the new total of marbles in the bag = 36-1 = 35 marbles.
The new ratios are
R = 20/35 =4/7
B = 15/35 = 3/7
That is, R:B = 4:3

The reasoning of the student is wrong. When a marble is removed, both the number of blue marbles changes as well as the total of the marbles in the bag. In other words, both the values in the ratio reduce by 1.
7 0
3 years ago
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