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KiRa [710]
3 years ago
5

The letters from the word "alert" are used to form a password into a school computer system. How many 5-letter passowrds can be

formed if the letters can be used more than once?
a. 3125
b. 50
c. 120
d. 625
Mathematics
1 answer:
Sliva [168]3 years ago
6 0
The correct answer is a. 3125

That's because the letter can be used more than once, so if you start and try everything from aaaaa, to ttttt, the possibilities are huge and much larger than any of the lower numbers.
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For questions 5 and 6, solve the system using the Elimination method.
beks73 [17]

Answer:

\boxed{x = 7~~and~~y = -3}

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Step-by-step explanation:

5x + 3y = 26 (times 6) 30x + 18y = 156

6x + 7y = 21 (times 5) 30x + 35y = 105

.

30x + 18y = 156

<u>30x + 35y = 105 </u>  <u>  </u>

-17y = 51

y = \frac{51}{-17}

y = -3

.

Substitute the value of y to one of equations

6x + 7y = 21

6x + 7(-3) = 21

6x - 21 = 21

6x = 21 + 21

6x = 42

x = \frac{42}{6}

x = 7

3 0
3 years ago
Please need help on this
Rufina [12.5K]

Answer:

The first one is not a function

The second is a function

Third not a function

Fourth is a function

Step-by-step explanation:

6 0
3 years ago
The question is on the picture
Vadim26 [7]

<em>Answer,</em>

100,000,000 > 334,605,925

But, 100,000,000 is smaller that 334,605,952

So, It would be "100,000,000 < 334,605,925"



7 0
3 years ago
One reading at an Arctic research station showed that the temperature was -35 Celsius.what is this temperature in degrees Fahreh
dem82 [27]
-31F because of the formula.
-35°C multiplied by 9/5 +32 = -31°F
~JZ
Hope it helps

8 0
3 years ago
Find unknown number lb=oz
Vlada [557]

Answer:

72

Step-by-step explanation:

multiply by 16

6 0
3 years ago
Read 2 more answers
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