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Westkost [7]
4 years ago
8

Which expression represents the volume the composite figure 1 inch 3 inch 2 inch

Mathematics
1 answer:
vfiekz [6]4 years ago
3 0
The following expression represents the volume 1×3×2
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A shipment of 40 fancy calculators contains 3 defective units. What is the probability if a college bookstore buys 20 calculator
JulsSmile [24]

Answer:

38.46%

Step-by-step explanation:

There are no names or marking that can make the calculator look different, so the order is not important. Then we should use a combination to solve this problem.

There are 40 calculators in one shipment, 37 of them good items and 3 of them are defect items. We need to choose 19 good calculators and 1 defect calculator. The number of ways to do that will be:

\frac{37}{19}* \frac{3}{1}= 37!\frac{37!}{19!(37-19!)} * \frac{3!}{1!(3-1)!}= 53017895700

The number of possible ways to choose 20 calculators out of 40 calculators will be:

\frac{40}{20}= \frac{40!}{20!(40-20!)}=137846528820

The chance will be: 53017895700/ 137846528820 = 0.3846= 38.46%

4 0
3 years ago
The ratio of two numbers is 3to 4. The synod the number is 63. What are the two number
lidiya [134]
I THINK THE ANSWER IS 9
4 0
3 years ago
Diana creates a graph for the amount of money she earns, y, for working x hours. The graph contains the points (34,408), (40,480
Leni [432]

Answer:

C, B

Step-by-step explanation:

     x        y

A 34     408

B 40     480

C 46     588

A= $12/hour

B= $12/hour

C= $12.78/hour

The difference between A and B is 72.  The difference between B and C is 108.

6 0
3 years ago
Read 2 more answers
(Look at picture.............)
Tpy6a [65]

Answer:

3460

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Help me now ASAP<br> For what value of n are (1/9)^3 and 9^n equal?
RideAnS [48]

Step-by-step explanation:

( \frac{1}{ {9}^{3} } ) =  {9}^{n}

{9}^{ - 3}  =  {9}^{n}

n =  - 3

HOPE  \: IT  \: HELPS \:  YOU

3 0
3 years ago
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