A number c decreased by 9 is less than or equal to 20 find c

24 pencils costing a total of $3.00 how many cents per a pencil

hram777 [196]

Answer:

$0.125 , so 12.5 cents per pencil

Step-by-step explanation:

$\frac{3.00}{24}$

You can double check this by doing $0.125*24$ , making sure it equals 3.

3 0

3 years ago

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0f the 64 students in grade five, 3/8 of them either walk or ride a bike to school. The rest take a bus. How many fifth graders

UkoKoshka [18]

40 fifth graders take a bus to school. 8x8= 64 so they have you a good fraction to start with to find out how many kids are walking or taking their bike (3/8) all you have to do is multiply 3 and 8 which equals 24 to find the fraction of the amount of kids who take the bus you subtract 3 from 8 which gives 5/8 and to get the answer you multiply 5 and 8 which is 40.

3 0

3 years ago

A particular fruit's weights are normally distributed, with a mean of 406 grams and a standard deviation of 27 grams.The heavies

Tom [10]

Given

mean of 406 grams and a standard deviation of 27 grams.

Find

The heaviest 14% of fruits weigh more than how many grams?

Explanation

given

mean = 406 gms

standard deviation = 27 gms

using standard normal table ,

$\begin{gathered} P(Z>z)=14\% \\ 1-P(Zso , [tex]\begin{gathered} x=z\times\sigma+\mu \\ x=1.08\times27+406 \\ x=435.16 \end{gathered}$

Final Answer

Therefore , The heaviest 14% of fruits weigh more than 435.16 gms

8 0

1 year ago

KIM [24]

Answer:

Thus the required Pythagorean triplet is 14,48,50. ∴ The required Pythagorean triplet is 16,63,65.

Step-by-step explanation:

5 0

3 years ago

Percent equations the question is blank % of 75 = 30

lubasha [3.4K]

Answer:

40

Step-by-step explanation:

30/75 = .4

4 0

3 years ago

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