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LuckyWell [14K]
3 years ago
6

A three-digit personal identification number is chosen using the digits 1–9. The digits cannot be repeated. What is the approxim

ate probability that the first digit will be 6? 0.00595 0.03571 0.11111 0.66667
Mathematics
1 answer:
scoundrel [369]3 years ago
6 0

Answer: C

Step-by-step explanation:it’s the 3rd ans on edge

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I designers adding a border around the edge of rectangular swimming pool he measures the pool and find out the length of the poo
SVEN [57.7K]

Answer:

135

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the vertex of the graph of y = 1/3 (x-9)2 + 5 Question 1 options: (9,5) (3,3) (3,5) (-9,5)
svlad2 [7]
ANSWER

The vertex of the graph of
y =  \frac{1}{3}  {(x - 9)}^{2}  + 5
is

(9,5)



EXPLANATION

The vertex form of a parabola is given by

y = a {(x - h)}^{2}  + k

where
V(h,k)
is the vertex of the parabola.


The function given to us is

y =  \frac{1}{3}  {(x - 9)}^{2}  + 5
This is already in the vertex form.


When we compare this to the general vertex form, we have,

a =  \frac{1}{3}

h = 9
and

k = 5


Therefore the vertex of the parabola is

V(9,5)

Hence the correct answer is option A.

7 0
3 years ago
Read 2 more answers
Solving systems equations by elimination
pishuonlain [190]
I won't answer them all for you (don't want to cheat - need to learn something).
But for the first one given:

<span>-2x-9y=-25
-4x-9y=-23

you set up either x or y (which ever one you want to eliminate) so that one of them cancels.
So this one is easy - you just have to multiply an entire row by negative (doesn't matter which one) - so that the y's will be + and - 

Since they're both 9 and they're subracting NOW - you can eliminate the y value. Now add/subtract the x's. So it'd be -2 or 2 depending on how you eliminated y. Then add the number outside of the = sign. Now just solve for x. After that plug in whatever you got for x into both of the rows. Then find the y value.

Hopefully this wasn't confusing -- reply if it is and I will try to simplify. I can give you contact if you need help with the rest 

Good luck!</span>
3 0
3 years ago
Find the value of x:
cluponka [151]
5x - 20 = 8x - 65
-20 = 3x - 65
3x = 45
x = 15
5 0
3 years ago
Read 2 more answers
a square garden has an area of 225 square feet. how much fencing will a gardener need to buy in order to place fencing around th
IgorC [24]
The gardener will need to buy 60 feet of fencing. Because the square root of 225 if 15, and 15 times 4 is 60. So, 60 is the perimeter of the garden.
6 0
3 years ago
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