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3 years ago

WILL GIVE U BRAIN IF UR SMART ENOUGH TO ANSWER AND FREE 75 PTS

Mathematics

2 answers:

atroni [7]3 years ago

7 0

Answer:

x = 96

Step-by-step explanation:

harkovskaia [24]3 years ago

6 0

Answer:

The answer is 96.

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I deposited $ 50,000.00 in Chase Bank at 4%. How long my money has to stay in the bank to double ?

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whyu

Step-by-step explanation:

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3 years ago

Lindsay went to the teacher supply store she bought 10 whiteboards for a total of $35 and some posters for $5.40 each. If she sp

Paul [167]

The whiteboards she bought cost $35, and she spent a total of $51.20, subtract to find out the total amount she spent on posters:

$\sf 51.20-35=16.2$

So she spent a total of $16.20 on posters, now divide by the amount one poster costs to find out how many posters she bought.

$\sf 16.2\div 5.4=\boxed{\sf 3}$

So she bought 3 posters.

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3 years ago

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Change this fraction into a decimal: 20/25

marissa [1.9K]

.8

20/25 = 4/5 = 80% = .8

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3 years ago

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If positive integer number n has exactly 8 divisors, what is the least number of divisors can n^2 have?

lys-0071 [83]

Answer:

The simpler case is the number:

n = a^7, where a is prime.

We use this so we avoid having cross numbers by multipliying different prime numbers. because for example lets compare:

2^2 = 4 has 3 divisors, 4, 2 and 1.

(4*4) = 16 has the divisors: 1, 2, 4, 8 and 16. (5 divisors).

Now let's mix primes:

2*3 = 6 has 3 divisors, 3, 2 and 1.

6*6 = 36

(3*2*1)*(3*2*1) = 36

then the divisors are:

3*3, 3*2, 3*1, 2*2, 2*1, 1*1, 3*2*2, ..., etc.

You can clearly see that this has a lot more divisors than the previous case.

Then returning to the answer:

a^7 can be divided by a, a^2, a^3, ..., and by itself, a^7 (and 1, so we have exactly 8 divisors).

Now, we can write:

n^2 = (a^7)^2 = (a^(2*7)) = a^14.

By the same logic that was used above, a^14 has 14 + 1 divisors.

Then the smallest number of divisors possible is 15.

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3 years ago

I need help please ASAP ?!!!!!!!

Gala2k [10]

Answer:

Step-by-step explanation:

I don't know this is just what I think

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3 years ago

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