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Nesterboy [21]
3 years ago
10

How many two-digit, positive integers can be formed from the digits 1, 3, 5, and 9, if no digit is repeated?

Mathematics
1 answer:
irga5000 [103]3 years ago
8 0

Answer:

<u>12</u>

Step-by-step explanation:

Using Permutation Formula :

  • ⁴P₂
  • 4! / 2!
  • 4 x 3 x 2! / 2!
  • 4 x 3
  • <u>12</u>
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ArbitrLikvidat [17]
I need help with these too ugh someone help me
5 0
4 years ago
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What is the best classification of –4/5 in the real number system?
Sliva [168]
I believe it would be - 0.8. Hope it helps! :)
4 0
3 years ago
Brent is making lasagna for himself and his two friends,Tim and sandy.Brent wants each person to pick out a share of the lasagna
Katen [24]

Answer:

sandy is correct she will be takeing the bigest because

Step-by-step explanation:

brent=1/4

tim=2/8

sandy=3/6

sandy is at least takeing half of the six

im so sorry if i wasted ur time have a good day and good luck on whatever u are working on ^v^

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4 years ago
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Describe how you would estimate the square root of a number that is not a perfect square without using a calculator. lets say n
scZoUnD [109]
To get the square root of imperfect square we can use the formula , which is usually accurate to about two decimal places,
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Where, X = the number you want the square roof of, and S is the closest square you know to x.
For example 75 is an imperfect square
Thus, X=75 and thus the nearest number S = 81, this ,means √81 =9.
Putting this into the formula;
√75= 9+(75-81)/2/2(9)
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6 0
3 years ago
Kayla paid $27.50 for a pair of gloves. The cost of the gloves is $8.75 more than the cost of a scarf. Which equation can be use
Mariana [72]

Answer:

You can use subtraction

Step-by-step explanation:

$27.50 - $8.75 = $18.75 (cost of scarf)

-----------------------------------------------------------------------

the gloves cost 27.50 dollars and if the scarf cost 8.75 dollrs more then that means that if we subtract that extra mount we should get the price of the scarf

if $18.75 is the cost of scarf and if gloves are $8.75 more then...

$18.75 (scarf) + $8.75 (extra $) = $27.50 (gloves)

5 0
3 years ago
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