1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
yarga [219]
3 years ago
12

A briefcase has a three-digit lock code that does not include zero as a digit.

Mathematics
2 answers:
Strike441 [17]3 years ago
6 0

The correct answer is:

A. 24 out of 504.

The probability that the lock code consists of all even digits is 24 out of 504, if the same digit is not used more than once in the lock code.

|Huntrw6|

Sladkaya [172]3 years ago
4 0
First it can be a 2,4,6,8. Four numbers.
Then one is removed, leaving three numbers.
Then one is removed, leaving two numbers.
Possibilities for that to happen: 4*3*2 = 24.
Total amount of possibilities: 9*8*7 = 504.
So the answer is A: 24 out of 504.
You might be interested in
Drag and drop the numbers into the boxes to create an expression that is equivalent to the given expression.
slega [8]
5c + 30 because you use the distributive property 5 x c + 5 x 6
3 0
2 years ago
Which graph represents the function f(x)=
zhenek [66]

Step-by-step explanation:

you don't show us the choices.

anyway, the real graph must be similar to the one you are showing, as it goes to - and + infinity for x = 2.

because the denominator "x-2" will be 0 for x = 2.

but the horizontal limits are both y = +3 (and not 0).

because (3x-2)/(x-2) goes more and more to 3/1 the larger (or smaller in the - direction) x gets.

7 0
1 year ago
In triangle abc, the perimeter is 36, and ab=ac. line ad is perpendicular to bc at the point d, and triangle abd's perimeter is
Musya8 [376]
Let x=ab=ac, and y=bc, and z=ad.

Since the perimeter of the triangle abc is 36, you have:

Perimeter of abc = 36
ab + ac + bc = 36
x + x + y = 36
(eq. 1) 2x + y = 36

The triangle is isosceles (it has two sides with equal length: ab and ac). The line perpendicular to the third side (bc) from the opposite vertex (a), divides that third side into two equal halves: the point d is the middle point of bc. This is a property of isosceles triangles, which is easily shown by similarity.

Hence, we have that bd = dc = bc/2 = y/2 (remember we called bc = y).

The perimeter of the triangle abd is 30:

Permiter of abd = 30
ab + bd + ad = 30
x + y/2 + z =30
(eq. 2) 2x + y + 2z = 60

So, we have two equations on x, y and z:

(eq.1) 2x + y = 36
(eq.2) 2x + y + 2z = 60

Substitute 2x + y by 36 from (eq.1) in (eq.2):

(eq.2') 36 + 2z = 60

And solve for z:

36 + 2z = 60 => 2z = 60 - 36 => 2z = 24 => z = 12

The measure of ad is 12.

If you prefer a less algebraic reasoning:

- The perimeter of abd is half the perimeter of abc plus the length of ad (since you have "cut" the triangle abc in two halves to obtain the triangle abd).

- Then, ad is the difference between the perimeter of abd and half the perimeter of abc:

ad = 30 - (36/2) = 30 - 18 = 12
4 0
3 years ago
Read 2 more answers
Pls help answer the questions
malfutka [58]
First one should be B
4 0
3 years ago
Read 2 more answers
Express 0.484848..... in p/q form​
cupoosta [38]
<h3>Answer:  16/33</h3>

It's in p/q form where p = 16 and q = 33.

=======================================================

Work Shown:

x = 0.484848.....

100x = 48.4848.....

I multiplied both sides by 100 to move the decimal over 2 spots. Both decimal values for x and 100x have an infinite string of "48"s repeated after the decimal point. When we subtract, those infinite strings will cancel out

100x - x = 99x

48.4848..... - 0.484848..... = 48

So after subtracting straight down, we have the new equation 99x = 48 which solves to x = 48/99

Divide both parts by the GCF 3 to fully reduce

48/3 = 16

99/3 = 33

Therefore, x = 48/99 = 16/33 = 0.484848...

I recommend using a calculator to confirm that 16/33 = 0.484848...

Side note: your calculator may round the last digit, but this is of course rounding error

7 0
2 years ago
Other questions:
  • The angle measures 22°, 62°, 118°, and 158° are written on slips of paper. You choose two slips of paper at random.
    6·1 answer
  • Simplify an expression for the area of a rectangle with side lengths 12 and (5/6x+23).
    6·1 answer
  • Math Wiz help! (law of cosines)
    7·1 answer
  • F(x) = 3x - 3, g(x) = 5x - 9
    12·1 answer
  • Water Tank A water tank is shaped like the cone shown here. How much water can
    6·1 answer
  • Jada made 6 cups of blueberry jam and divided the jam equally among 4 containers. How much jam went in each container?
    11·1 answer
  • REWARDING BRAINLY FOR CORRECT ANSWER
    7·2 answers
  • MY BRAIN IS MELTING PLS HELP
    11·1 answer
  • Jenny received a $30.50 gift card for a photo center. She used it to buy prints that cost 20 cents each. The remaining balance,
    5·1 answer
  • The property taxes on a house were $600. What was the tax rate if the house was valued at $100,000? Follow the problem solving a
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!