Answer:
a You must choose at least 3 marbles
Step-by-step explanation:
If the probability is equally likely that you will choose a red or blue marble (1/2)
Then the marbles will need to be the same size or you will know which the color of the marble by the size.
There needs to be the same number of marbles, or you will be more likely to pick the color with more marbles of that color
If you look, you will pick the color of the marble you want.
The probability is determined by the number of marbles in the bag, not by the number you choose
Answer:
13 and 15
Step-by-step explanation:
the equation is x+2y=43
i just guess and checked till i got to the right answer
so, x=13 and y=15
13+2(15) . it equals 43
Answer:
1) x=1; x= 0 is an extraneous solution
Step-by-step explanation:
5 = 4x + 1
5 = 4 x 1 + 1
5 = 5
x = 1
______________________
x x^2
0 x 0^2
0 x 0 = 0
x = 0
:)
Answer:
Step-by-step explanation:
The area of the floor A = Length * Width
Given
A = 200 square meters
If the length of the floor is 32 m longed than it’s width then;
L = 32+W
A = LW
200 = (32+W)W
200 = 32W + W²
W²+32W-200 = 0
W = -32±√32²+800/2
W = -32±42.71/2
W = -32+42.71/2
W = 10.71/2
W = 5.35 m
L = 32+5.35
L = 37.35m
Hence the dimension is 5.35ft by 37.35m
