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timurjin [86]
3 years ago
5

Help me with this question i tried multiple time to solution it always wrong

Mathematics
1 answer:
maw [93]3 years ago
4 0
7/9-1/3 or 7/9-3/9= 4/9 is the answer
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How many arrangements can be made using 2 letters of the word HYPERBOLAS if no letter is to be used more than once?
alisha [4.7K]

Answer:

90 arrangements

Step-by-step explanation:

Since there are no repititions of letters, there are unique  10 letters in total.

THe number of arrangements would be 2 permutation 10. We need the formula for permutation. That is:

nPr=\frac{n!}{(n-r)!}\\

Now, n = 10 [total] and r is 2, so we have:

nPr=\frac{n!}{(n-r)!}\\\\_{10}P_{2}=\frac{10!}{(10-2)!}\\=\frac{10!}{8!}\\=\frac{10*9*8!}{8!}\\=10*9\\=90

So, there can be 90 arrangements

3 0
3 years ago
Write the equation for the graph below.<br> PLEASE I NEED HELP !
mrs_skeptik [129]
Y= 1x+ 3
1x is the slope and 3 is the y intercept
I did rise over run to find the slope 3/3=1
Y is 3 because y intercept is when a line go through the y axis and it’s on 3
hope this helps!
5 0
3 years ago
Need help on this question. Will give brainliest
Llana [10]

Answer: C

Step-by-step explanation:

Bcuz when its square it results to something known as the perfect square trinomial. Thats the way i learned it. Ion know if u learned it the same way pero i hope this helps.

3 0
2 years ago
Does Every positive real number have both a positive and negative cube root?
vovangra [49]
Yes. For example, 25. The square root of 25 is 5 because 5*5=25. Multiplying two negatives always= a positive, so -5*-5=25.
7 0
3 years ago
Read 2 more answers
The cost of a fridge has increased by 15% to £828. Work out the original price
lilavasa [31]
The original value was <span>£720.
720 x .15 (15%) = 108
720 + 108 = 828 </span>
8 0
3 years ago
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