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Lena [83]
3 years ago
5

An identification system assigns each item a code using 3 capital letters. How many different codes are possible?

Mathematics
2 answers:
Mars2501 [29]3 years ago
6 0
Each letter can be in three different places for the 3-letter code.

Next, since there are 26 letters in the alphabet,
26^3 = 17,576 should be the answer here.

D. 17,576

Good luck!
kaheart [24]3 years ago
5 0

Answer:

D. 17,576

Step-by-step explanation:

26*26*26 =  26 3cube = 17,576

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1546:12 =<br>Please pake cara​
defon

Answer:

It is a ratio. Is it?

If so, I think the answer is 773 : 6

5 0
3 years ago
Four consecutive even integers are such that the sum of the second and fourth is 76. What is the sum of the first and third inte
Arada [10]

Answer:

72

Step-by-step explanation:

Consecutive even integers have a difference of 2 between them

let n be the first integer, then

n + 2, n + 4, n + 6 are the second, third and fourth, then

n + 2 + n + 6 = 76 ( sum of second and fourth )

2n + 8 = 76 ( subtract 8 from both sides )

2n = 68 ( divide both sides by 2 )

n = 34

Thus the 4 even integers are

34, 36, 38, 40

sum of first and third = 34 + 38 = 72

4 0
3 years ago
Whats the answer to the problem 62.8 / 3 = ?
Rainbow [258]
That is a direct division, if you are confused by the decimal point, lets get rid of it! We can get rid of the decimal point multiplying the upper and lower parts of the division by 10, lets do it:
<span>62.8 / 3
= 10*</span><span>62.8 / 10*3
= </span><span>628 / 30
we can try to reduce the fraction dividing by 2 the upper and lower parts:
= 314/15
and now we have to make the operation:
= 20.93</span>
3 0
4 years ago
A survey of 500 randomly selected adults found that 57% say that they would take a ride in a fully self-driving car. The 95% con
Novay_Z [31]

Answer:

Yes; Since the confidence interval limits are both greater than 50%, we can reasonably conclude that more than half of all adults would take a ride in a fully self-driving car.

Step-by-step explanation:

From the question we are told that

     The sample size is  n =  500

     The sample proportion is  \r  p  =  0.57

     The  95% confidence interval is (0.5266, 0.6134)

Looking at the 95% confidence level interval we see that the sample proportion is within the interval and given that the confidence interval limits are both greater than 50%, we can reasonably conclude that more than half of all adults would take a ride in a fully self-driving car.

4 0
3 years ago
2 d2 + 15d + 23 = 3<br> It’s quadratic formula
DENIUS [597]

Answer:

-15 plus or minus the square root of 65 all over 4 (All over means fraction)

4 0
3 years ago
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