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Anettt [7]
3 years ago
14

Johnny has a locker combination with 1 letter followed by three digits. None of the digits can repeat themselves. How many combi

nations are there in the sample space? (Theoretical Probability and Simulations) Help me find the answer.
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
6 0
 First, what letter can it be at the beginning?

English Alphabet has 26 letters, so we have 26 possibilities

26*

then it can be any of 10 digits

26*10=260

then any of the remaining 9 digits:

26*10*9

then any of the remaining 8 and 7 digits:

26*10*9*8*7=131040

so the solution is: 131040 possible combinations!
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Last month a Carpenter made five tables this month he made 80% more than that how many tables do the carpenter make this month
Nataliya [291]

Answer:

9 tables

Step-by-step explanation:

5 × 1.8 = 9

to find how many tables he made you have to multiply the number he made by 1, then .(whatever the percent is)

4 0
3 years ago
Read 2 more answers
Carl, Gilda, Conroy, and Kyla are the four candidates in a school election. Carl received 1/5 of the votes, Gilda received 5% of
Juliette [100K]
Firstly, we can convert all of the fractions into percentages. To do this, we need to make the denominator of the fraction 100, and whatever we do to the denominator we must also do to the numerator.

5 x 20 = 100
1 x 20 = 20.

So Carl recieves 20/100 or 20% of the votes.

4 x 25 = 100
1 x 15 = 25

So Conroy receives 25/100 or 25% of the votes.

If we add these together and Gilda's 5%, we get 50%. Since there are 100% votes overall, we need to do 100 - 50 = 50.
 
Kyla receives 50% of the votes.
8 0
3 years ago
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A pyramid has a base area of 44cm and a height of 12.6 cm what is the volume of the pyramid ?
aliya0001 [1]

Answer:

184.8 cubic cm

Step-by-step explanation:

The formula for the volume of a pyramid is

V = (1/3)(B)(h)      where B is the area of the base, and h is the height

We are given B = 44 cm² andh = 12.6cm  

Plug them into the formula and simplify...(I'm assuming you are allowed to use a calculator for these problems)

V = (1/3)(44cm²)(12.6cm)

<h2>     V = 184.8 cm³  or 184.8 cubic cm</h2><h2 />
7 0
3 years ago
To find the quotient 3/4 divided by 1/8
Alex Ar [27]

Answer:

2. multiply 3/4 by 8

Step-by-step explanation:

3/4 ÷ 1/8

Copy dot flip

3/4 * 8/1

24/4

6

7 0
3 years ago
Read 2 more answers
I’m not getting these at all
spin [16.1K]

Answer:

\frac{a}{1 +bc} = x

Step-by-step explanation:

In this question, it appears that you need to solve this equation in terms of x.

Beginning with the equation a = x(1 + bc), we must isolate the 'x' variable and make an equation equivalent to 'x'. This can be done by:

a = x(1 + bc)

Divide (1 + bc) from both sides, giving you:

\frac{a}{1 +bc} = x

8 0
3 years ago
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