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3 years ago

How many two-digit numbers can be formed

Mathematics

2 answers:

statuscvo [17]3 years ago

6 0

Answer:

16 is How many two-digit numbers can be formed

using only the numbers 0, 1, 2, 3, or 4 without

repeat?

Step-by-step explanation:

Because all the two-digit number that can be formed is 10, 12, 13, 14, 20, 30, 40, 43, 42, 41, 34, 32, 31, 24, 23, 21

Alexandra [31]3 years ago

5 0

You can make a total of 16

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Soloha48 [4]

Answer: 6x and 18y.

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2 years ago

What are the solutions to the equation? b^2 − 10b=39

erik [133]

1)

$b^2-10b=39\\\\(b-5)^2-25=39 \ |+25 \\\\ (b-5)^2=64\\\\(b-5)^2=(\pm 8)^2\\\\ b-5=-8 \ or \ b-5=8 \\\\ b=-3 \ or \ b=13$

2)
-10b = 3b - 13b

$b^2-10b=39\\\\b^2+3b-13b-39=0\\\\b(b+3)-13(b+3)=0\\\\ (b+3)(b-13)=0\\\\ b+3=0\ or \ b-13=0 \\\\ b=-3\ or \ b=13$

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4 years ago

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If a=2, b=3 and c=4 then find the numerical value of a2+2abc+b2+c2

qaws [65]

a=2 b=3 and c=4. then,

a2+2abc+b2+c2

a2+2abc+b2+c2= 2^2+2×2×3×4+3^2+4^2

(replace value of a, b, c by2,3,4 respectively tgen solve)

= 4+48+9+16

= 77………………

Therefore, 77 is correct answer.

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3 years ago

An experiment consists of rolling a six sided die to select a number between 1 and 6 and drawing a card at random from a set of

Dennis_Churaev [7]

Answer:

Step-by-step explanation:

dice

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4 years ago

A card is selected at random from a deck of 52 playing cards, the probability that a card 2 is selected will be ______________.

kkurt [141]

Answer:

b) 4/52

Step-by-step explanation:

Since there are only 4 playing cards in a full deck that are labeled '2', and there are 52 cards in total - then there is a 4 out of 52 chance that a '2' card will be selected!

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3 years ago

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