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stira [4]
3 years ago
11

If No Digit Appears More Than Once, How Many 3-Digit Numbers Can Be Formed From The Digits 2, 3, 4, 6, And 7?? How Did You Recei

ve That Answer??
Mathematics
1 answer:
Licemer1 [7]3 years ago
7 0
<span>5P4 = 5!/(5-4)! = 5*4*3*2 = 120</span>
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There are 10 marbles in a bag. 1/5 are red and the others are blue. What is the ratio to blue marbles.
Irina-Kira [14]

Answer:

Ratio = 1 : 4

Step-by-step explanation:

Total marbles = 10

Given 1/5 is red, that is 1/5 of the total marbles are red

                                                            \frac{1}{5} \ of \ 10 = \frac{1}{5} \times 10 = 2

Therefore , 10 - 2 = 8 marbles are blue.

Ratio of red marbles to blue marbles

                                    \frac{2}{8} = \frac{1}{4} = 1 : 4

4 0
3 years ago
Given the function f(x) = 4(x + 1)^2 – 3, indicate the shifts that will affect the location of the vertex, and explain what effe
solniwko [45]
He first two are relatively easy. f(x-2) shifts it sideways (2 to the right in this case) f(x) -2 shifts it straight down (by 2)
f(2x) means replace x with 2x in the original 4(2x + 1)^2 − 3 if you factor out the 2 from the square root you get 4*sqr(2) ( x + ½)^2 - 3 which is now in the form a ( x -h)^2 + k the vertex is now at (-½, -3) (it used to be at (-1,-3) the "a" has gotten bigger, which makes the parabola "skinnier" (it goes up faster)
2•f(x) becomes 2*( 4(x + 1)2 − 3 ) = 8 (x+1)^2 -6 where is the vertex now? is this parabola fatter or skinnier than the original f(x) ?
8 0
3 years ago
Lines l and m intersect at point p and are perpendicular. if a point q is reflected across l and then across m, what transformat
artcher [175]
Rotating 180 degrees about the point p. 

If they are perpendicular reflecting across each one will have the same effect as if the point was rotated 180 degrees about the certain point.
7 0
3 years ago
What is an discriminant ​
igor_vitrenko [27]

Answer:

a function of the coefficients of a polynomial equation whose value gives information about the roots of the polynomial.

8 0
3 years ago
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The table shows the distance in feet, y, that a rocket traveled in x seconds.
Murrr4er [49]

Answer:

The correct option is D. y = 25x^{2}.

Step-by-step explanation:

i) From the table and our own observation and a trial and error approach we

  can clearly see that the equation that matches y in feet ( the distance

  traveled by the rocket) and x in seconds ( the time elapsed) is given by the

  equation y = 25x^{2}

 Therefore the correct option is D. y = 25x^{2}.

7 0
3 years ago
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