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Vinvika [58]
2 years ago
7

3. How many 4-letter code can be formed using the first 10 letters of the English alphabet, if no letter can be repeated?

Mathematics
1 answer:
galben [10]2 years ago
7 0
Abcdefg
There cannot be more than two because there are only two vowels, e and a. But it has to be 4 lettered, which limits a lot of option, so there can only be one 4-letter code.
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Kate runs 2/3 of a mile on Mondays, Wednesday's and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. How many miles doe
padilas [110]

Answer:

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

Step-by-step explanation:

We know that Kate runs 2/3 of a mile on Mondays, Wednesdays and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. We calculate how many miles does Kate run during the week.  

Therefore, we get

\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}=1+\frac{7}{15}

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

8 0
3 years ago
Write an equation in slope-intercept form (y = mx + b) , that perpendicular to y = 2x - 4 that passes through the point (3, - 3)
FromTheMoon [43]

Answer:

Step-by-step explanation:

perp. -1/2

y + 3 = -1/2(x - 3)

y + 6/2 = -1/2x + 3/2

y = -1/2x - 3/2

8 0
3 years ago
Which number should come next in the series? 13, 57, 911, 1315, 1719?
DiKsa [7]

Answer:

2123

like 1+4=5

3+4=7

Step-by-step explanation:

All odd numbers beginning from one, in a series.

Also: Starting with 13, add 4 to each digit separately, and continue adding 4 to the result.

6 0
2 years ago
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(3 1/3) (6) What is the answer?
kaheart [24]

Answer:

20

Step-by-step explanation:

(6x3=18)  (6x1/3=2)  (18+2=20)

8 0
2 years ago
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HELP ASAP with this question.
Soloha48 [4]
The answer is A, 16. Here's some work: 

6x + 2 = 98
6x = 96
x = 16
7 0
3 years ago
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