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Inessa [10]
3 years ago
13

Rick won 27 tickets playing a game. To get a prize, he needs to win at least 30 more tickets. How many more tickets can he won’t

to get a prize?
Mathematics
1 answer:
ElenaW [278]3 years ago
6 0

Answer: 56

Step-by-step explanation:

30 is a win so what is 1 least than 30 is 29.

So 27 add 29 is equal to 56

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How many pairwise comparisons must you make for a case with 15 statistically independent scenarios?
Levart [38]

There are 105 comparisons made with 15 statistically independent scenarios.

According to the statement

we have given value of n is 15.

Then r = 2. so,

we use the formula NcR then

Substitute the values in it then

15c2

we open it according to ncr formula

In this formula we arrange the terms according to the following

NcR formula = n! /r! * (n-r)!

then the terms will arrange in this way.

So,

ncr = 15! / 2! * 13!

After solving the statement some terms will be cancel with each other and remaining terms are

ncr = 15*14/2

ncr = 210/2

ncr = 105

here the value becomes 105.

So, There are 105 comparisons made with 15 statistically independent scenarios.

Learn more about COMBINATION here brainly.com/question/12725706

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3 0
1 year ago
Is (3,-2) a solution to the system below? How do you know?
cricket20 [7]

Step-by-step explanation:

you know by using the x and y coordinates of the point in the equations and see, if both equations are still true.

if yes, it was a solution, and if just only one is false, then it was not a solution.

(3, -2) in

y + 4x = 10

5x - y = 13

so,

-2 + 4×3 = 10

-2 + 12 = 10

10 = 10 true

5×3 - (-2) = 13

15 + 2 = 13

17 = 13 false

so, it was NOT a solution.

3 0
2 years ago
A = πηγ2<br> What do you divide by?
defon

Answer:

76.20+q; 76.60Es

Step-by-step explanation:

5 0
3 years ago
After a storm, 135 trees out of 180 were left standing. What is the percentage loss of the number of trees?
beks73 [17]

Answer:

Percentage loss of the number of trees is 25\%.

Step-by-step explanation:

Given: After a storm, 135 trees out of 180 were left standing.

To find: What is the percentage loss of the number of trees?

Solution:

We have,

Total number of trees =180

Number of trees left standing =135

Therefore, loss of trees=180-135=45

We now that \text {Loss\%}=\frac{\text{Number of trees left}}{\text{Total number of trees}}\times 100 \%

\implies \text {Loss\%}=\frac{45}{180}\times 100 \%

\implies \text {Loss\%}=\frac{450}{18} \%

\implies \text {Loss\%}=25 \%

Hence, the percentage loss of the number of trees is 25\%.

6 0
3 years ago
In his last football game, Sean rushed for 94 yards. if his season total is now 871 yards, how many total yards did he have prio
Masteriza [31]

it should be somewhere around 110 to 120 yards


4 0
3 years ago
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