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mart [117]
3 years ago
13

A box contains 12 cards numbered from 1 to 12 and 7 face cards. Two cards are randomly drawn from the box without replacement. F

ind the probability P(an even number and a face card)
Mathematics
1 answer:
Sergeu [11.5K]3 years ago
5 0

Answer:

i think it is 1/2, or 50%

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How to find solution to system of equations using substitution?
iris [78.8K]
Well u need to give me the equation and the substitutions for the variables then I can solve it
7 0
3 years ago
Adding and subtracting functions g(x) = 2x f (x) = −2x^3 + 2x Find g(x) + f (x)​
Andrei [34K]

Answer:

-2x³+4x

Step-by-step explanation:

g(x) + f(x)

(2x) + (-2x³+2x)

-2x³+4x

5 0
3 years ago
The black figure is an ellipse
mash [69]
There is no figure here
8 0
3 years ago
14. The area of a rectangle is 375 square inches and it’s perimeter is 80 inches. Find both the length and width.
Pavel [41]

Answer:

Length  =25 inches

Width = 15 inches

Step-by-step explanation:

Let l = length of rectangle, w = width of rectangle

Given the area and the perimeter of the rectangle, we can write:

lw = 375

2l+2w=80

So:

l+w = 80\div2

=40

l=40-w

Now, we can use substitution to find the value of w:

lw = 375

(40-w)w = 375

40w-w^2 = 375

375+w^2-40w = 0 (Quadratic equation)

(w-15)(w-25) = 0

∴ w = 15, 25

We can use substitution again to find the value of l

lw = 375

l=375\div w

=25,15

∵ Length usually refers to the longer side of a rectangle, ∴ length =25 inches and width =15 inches.

Hope this helps :)

8 0
3 years ago
What is a correct congruence statement for the triangles shown?
Kamila [148]

Answer:

ΔRHS ≅ ΔNKW

Step-by-step explanation:

We are given that, in the triangles RHS and NKW.

∠H = ∠K

Side HS = KW.

∠S = ∠W

Now, using the ASA congruence criteria, which states that when two corresponding angles of the triangles are equal with the included side between them is equal, then both the triangles are congruent.

Hence, according to ASA criteria, ΔRHS ≅ ΔNKW.

4 0
3 years ago
Read 2 more answers
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