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IgorLugansk [536]
3 years ago
12

You helped organize a birthday party for twenty kids. You filled 150 water balloons and the kids smashed 4/5 of them in ten minu

tes. How many total balloons are leftover?
Mathematics
1 answer:
notka56 [123]3 years ago
4 0

Answer:

30

Step-by-step explanation:

Okay, to find the number of balloons left over, disregard the number of kids and focus only on 150 balloons and that only 4/5 were "smashed." Multiply 150 by 4/5 to find the amount of balloons used, which is 120, and find the difference between 150 and 120, which is 30.

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Experiments with repeated independent trials will be described by the binomial distribution if
bija089 [108]

Answer:

d. each trial has exactly two outcomes whose probabilities do not change

Step-by-step explanation:

A binomial experiment is one where there are exactly two outcomes for each trial and probability for getting success is constant in each trial.

In other words, each trial is independent of the other.

The trials need not be continuous nor time between trials to be constant.

Since trials are to be independent, each trial cannot influence the next.

Only option d is right.

d. each trial has exactly two outcomes whose probabilities do not change

Examples are tossing of coins, throwing dice, drawing cards or balls with replacement, etc

7 0
3 years ago
$149 guitar; 29% discount​
Vikki [24]
Divide number of guitars by 100% and multiply into discount given



149/100 x 29

1.49 x 29

43.21



$43.21 had been removed

Therefore $105.79 is the guitar cost after discount



Hope it was useful ☻


5 0
3 years ago
My math final please help
spin [16.1K]

Answer:

m∠3 = 56

Step-by-step explanation:

Let's solve for x, first:

x + 9 = 3x - 85

9 = 2x - 85

94 = 2x

94/2 = x

47 = x

Now that we have x-value, we can substitute it in any one of the given equation to find angle 3 since, angle 1, 7 and 3 all are congruent:

=> m∠7 = x + 9

=> m∠7 = 47 + 9

=> m∠7 = 56

Since m∠7 ≅ m∠3

and m∠7 = 56, then

<u>m∠3 = 56</u>

Hope this helps!

6 0
3 years ago
jenny borrowed $500 for 5 years at 4% interest compounded annually. what is the total amount she will have paid when she pays of
alexdok [17]
Use the formula for compound interest,  
  
A=P(1+ \frac{r}{n})^{nt}  
  
Where P is the starting amount (500$), r is the rate of interest (0.04), n is the number of times the interest is compounded per unit (1 per year), and t is the amount of time it is compounded (5 years).  
  
Now, plug it into the formula:  
  
A=500(1+ \frac{0.04}{1})^{5}  
  
Do the math, and your answer is she must pay <span>608.32$ when she pays her debts.</span>
5 0
3 years ago
I need help ! For a major quiz grade. Can y’all tell me what is the answer ?
slava [35]

Answer:The answer is C

Step-by-step explanation:

3 0
3 years ago
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