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Leni [432]
3 years ago
13

Preston, can you please help!!!!! Or anyone else!!!!

Mathematics
1 answer:
Scilla [17]3 years ago
3 0
Hello!

First you have to find the probability of a pulling a penny

To find this you put the amount of pennies over the amount of coins

There are 12 coins and 5 pennies

This is a 5/12 probability

Next you have to find the probability of then pulling out a quarter

Since you already took out a coin the total amount is now 11

The probability is 4/11

You multiply the two probabilities together to get the probability of them happening one after antoher

5/12 * 4/11 = 5/33

The answer is D)5/33

Hope this helps!
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Is 60:45 and 4:3 are equivalent ratios<br>​
WARRIOR [948]

Answer:

yes

Step-by-step explanation:

if we divide both terms of 60 and 45 by 15, we can simplify it to 4:3.

6 0
2 years ago
Y= 3x - 15<br> x+y=13<br> find the solution
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Answer:

x+3x-15=13

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x=7

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Could anyone help with this?
exis [7]

Answer: The answer is D


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N<br> What is the solution to the equation 36 – 5x = 5 – 6(x - 4) ?<br><br> 68bpoints
STALIN [3.7K]

Step-by-step explanation:

  • 36-5x=5-6(x-4)

36-5x=5-6x+24

-5x+6x=24+5-36

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4 0
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A high school track coach has just purchased a new stopwatch. The stopwatch manual states that the stopwatch has an uncertainty
grigory [225]

Answer:

The new stopwatch will not be that useful in timing the sprint team at the school's last track meet.

Step-by-step explanation:

Given:

Accuracy of the stopwatch = ± 0.05 s

The time of the first place sprinter = 12.04 s

The time of the second-place sprinter = 12.07 seconds

Now,

If sprinters were timed with the new stopwatch,

thus,

First sprinter's time would have been between

=  12.04 - 0.05  and 12.04 + 0.05

= 11.99 and 12.09

or

between the interval [11.99 , 12.09]

while

Second sprinter's time would have been between

= 12.07 - 0.05 =and 12.07 + 0.05

= 12.02  and 12.12

or

between the interval [12.0.2 , 12.12]

Hence,

There is an overlap between the worst time of the first sprinter  i.e 11.99 and the best time of the second sprinter i.e 12.02

Hence,

The new stopwatch will not be that useful in timing the sprint team at the school's last track meet.

7 0
3 years ago
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