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3 years ago

How many five-digit codes can be made if the first number cannot be a 0 or a 1 and no numbers can repeat?

Mathematics

1 answer:

Makovka662 [10]3 years ago

6 0

Answer:

24,192.

Step-by-step explanation:

The first number must be one of 2,3,4,5,6,7,8 or 9. That is 8 possibilities.

The number of permutations of the other 4 numbers is 9P4

= 9! / (9-4)!

= 3024

Now we multiply by the 8:

3024 * 8

= 24,192.

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Which of the following best describes the graph of the polynomial function

Anestetic [448]

Answer:

Step-by-step explanation:

the given graph touches the Y-axis in the point (5;0), it means the only zero.

To the additional: the graph is y=(x-5)².

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3 years ago

Add and simplify 1/5 + 1/10

aliya0001 [1]

In order to add these fractions we have to make a common denominator.

1/5 can turn into 2/10 Its the same thing. And its easier to solve with.

now lets multiply.

$\frac{2}{10}$ × $\frac{1}{10}$

Now we add across

2 + 1 = 3

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10 + 10 = 10 ( When adding fractions like these the denominator stays the same)

So your answer is...

$\frac{3}{10}$

Good Luck! :)

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2 years ago

L has $200. Ty has 30% more than Lu and twice as much as Ali. How much money do they have altogether? (PLEASE SHOW STEPS!)

saul85 [17]

30% of 200=60 200+60= 260
Ty has £260
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200+260+520= £980

Answer £980

I hope this is right :D

5 0

3 years ago

If 4 blocks weigh 28 ounces how many blocks weigh 70 ounces

Sloan [31]

Answer:

10 blocks.

Step-by-step explanation:

Find the unit rate.

$\frac{28}{4}=\frac{7}{1}=\frac{70}{10}$

Therefore, 10 blocks weigh 70 ounces.

3 0

3 years ago

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Softa [21]

Answer:

it will take her 12 days

Step-by-step explanation:

you do this problem by subtracting the 180 form 720 thne dividing by how much she will be adding every day

8 0

3 years ago