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SIZIF [17.4K]
3 years ago
13

How many 2 over 3 foot pieces can Wendy cut from the 5 and 1 over 3 feet of ribbon? Show your work.

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0
2/3 foot pieces from 5(1/3) pieces.. hmm. Well, step one is to convert that mixed number into an improper fraction. To do that, Multiply the denominator by the whole number, then add the numerator, and put that answer in a fraction over the original denominator. In this case, it would be 3*5=15+1=16/3.
Now that the denominators are the same, all we need to do is see how many times 2 goes into 16. 16/2 is 8. Your answer is 8.
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prisoha [69]
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8 0
3 years ago
There were 3 pencils and 8 markers on each desk if there were 64 markers how many pencils would there be
Harrizon [31]
Let's assume the values are proportional.

3 pencils/8 markers= x pencils/64 markers

8*8=64
3*8=24=x

Final answer: 24 pencils
3 0
3 years ago
A cola-dispensing machine is set to dispense a mean of 2.02 liters into a bottle labeled 2 liters. Actual quantities dispensed v
sammy [17]

Answer:

Step-by-step explanation:

Given that a  cola-dispensing machine is set to dispense a mean of 2.02 liters into a bottle labeled 2 liters.

Std deviation =0.015 litres

X- litres contained in a bottle is N(2.02, 0.15)

Z score is obtained as z=\frac{x-2.02}{0.015}

a) probability a bottle will contain between 2.00 and 2.03 liters

=P(2<x<2.03) = P(-1.33<Z<2)

= 0.4082+0.4772

=0.8854

b) P(X<2) = P(Z<-1.33) =0.5-0.4082 = 0.0918

c) 2% of containers

|z|<0.11

X lies between 0.6883 and 3.352 l

5 0
3 years ago
Need answers ASAP! 7th Grade math!
kari74 [83]
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7 0
3 years ago
The mean number of hours of part-time work per week for a sample of 526526 college students is 2828. If the margin of error for
sveta [45]

Answer:

The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

Step-by-step explanation:

A confidence interval has the following format.

\mu_{x} \pm M

In which \mu_{x} is the mean of the sample and M is the margin of error.

In this problem, we have that:

\mu_{x} = 28, M = 2.2

\mu_{x} - M = 28 - 2.2 = 25.8

\mu_{x} + M = 28 + 2.2 = 30.2

The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

4 0
3 years ago
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