Steven needs to select a 5-digit code to turn off his alarm system. How many different codes can be formed if no digits can be repeated?

Just one

Step-by-step explanation:

if you can’t repeat any digits the first code will go 12345 and just like you run out of digits

100,000

Step-by-step explanation:

There are 5 digits in the number. To form a five digit number , we can have any digit in the 5th place except 0 because 0 will cause the number to be a 4 digit one.

So, the number of ways we can fill the 5th place is 9.

For the 4th place, we can have any digit from 0–9. Same goes for the 3rd, 2nd as well as the One’s place.

Finally we can multiply them and get your answer which is 9*10*10*10*10 which results in 90000.

Unless of course this is an actual code in which the 5th place can be 0. Then that would make the amount 10*10*10*10*10, or 100,000

stew reads at the fastest rate of 265 words per minute.

step-by-step explanation:

it's a given that felicia reads at 260 word per minute and on connie's graph we can see that she reads 200 words per minute. since stew's table tells us that he read 795 in 3 minutes, we can divide 795 by 3 to find out how many words he reads per minute.

795/3 = 265

stew reads 265 words per minute - he reads at the fastest rate since felecia reads at 260 words per minute and connie reads at 200 words per minute.

stew (265) > felecia (260) > connie (200)

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk