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Tomtit [17]
3 years ago
8

Please answer this correctly

Mathematics
2 answers:
amm18123 years ago
7 0

Answer:

66.7%

Step-by-step explanation:

Factors of 18: 1, 2, 3, 6, 9, 18

There are 4 factors of 18 on the die so there is a 4/6 chance or 2/3 chance rolling a factor of 18. As a percent, 66.7%

pickupchik [31]3 years ago
4 0

Answer:

66.7%

Step-by-step explanation:

The factors of 18 are as listed: 1, 2, 3, 6, 9, 18

Since 1, 2, 3, and 6 are in the die, that makes 4 out of the 6 numbers.

4/6 can be simplified to .667 or 66.7%

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the half-life of isotope X is 2.0 years. How many years would it take for a 4.0mg sample of X to decay and have only 0.50 mg of
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After 2.0 years, the 4.0 mg sample decays to 2.0 mg.

After another 2.0 years (total 4.0 years), the 2.0 mg sample decays to 1.0 mg.

And after another 2.0 years (total 6.0 years), the 1.0 mg sample decays to 0.50 mg.

So it takes 6.0 years for 4.0 mg to decay to 0.50 mg.

4 0
2 years ago
7b ÷ 12 = 4.2  what does b =
Luda [366]
7b/12=4.2
7b=50.4
b=7.2

hope this helps
3 0
3 years ago
Read 2 more answers
Jeri's lawn service charges an initial fee of $4.50 plus $3 an hour. If she is asked to
STALIN [3.7K]

Answer:

5 hours 22 minutes

Step-by-step explanation:

Let us represent the number of hours that Jeri worked as: h

Jeri's lawn service charges an initial fee of $4.50 plus $3 an hour

= $4.50 + $3 × h

= $4.50 + 3h

If she is asked to start before 7 a.m. Jeri charges 1.5 times the regular amount.

= 1.5 × ($4.50 + 3h)

If she made $29.25 on a job that began at 5 am, how many hours did Jeri work?

Hence, we have the final equation;

= 1.5 × ($4.50 + 3h) = $29.25

= 6.75 + 4.5h = 29.25

Collect like terms

= 4.5h = 29.25 - 6.75

4.5h = 22.5

h = 22.5/4.5

h = 5.3571428571

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0.36 hour =

60 × 0.36

= 21.6 minutes

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Therefore, Jeri worked for 5 hours 22 minutes

7 0
3 years ago
In a company 60% of the workers are men is 880 women work for the company how many workers are there in all
borishaifa [10]
I will do my best to answer this question due to the gramatical errors made making it difficult to read and understand.
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2 years ago
Which of the following numbers is not a perfect square?<br><br> 24<br> 25<br> 64<br> 100
stich3 [128]
Hi! 

A perfect square is the product of when a whole number is multiplied by itself

Ex:

6 × 6 = 36, 36 is the perfect square. 

The number that is being multiplied is the square root. 

So to find the correct answer for this question, let's use the process of elimination. 

100 = 10 × 10 so we can cross out 100

64 = 8 × 8 so we can cross out 64

25 = 5 × 5 so we can cross out 25

Now all we have left is 24, which is not a perfect square. 

Answer: A. 24

Hope this helps :)
8 0
3 years ago
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