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mars1129 [50]
3 years ago
5

I need the answer Algebra question

Mathematics
1 answer:
Sav [38]3 years ago
5 0
He had 32 dollars at the beginning of the day

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Lina has a total of 72 blue and red marbles in a box. The probability of choosing a blue marble at random from the box is 4/9
blsea [12.9K]

Answer:

28

Step-by-step explanation:

probability of getting blue ball is 4/9

total cases = 72

i.e number of blue ball 32

number of red vall is 40

so extra 28 is added

3 0
3 years ago
When you<br> two integers with<br> sign,<br> you<br> and keep the
sweet [91]
Wait what sign do you mean
7 0
3 years ago
Suppose we have 3 cards identical in form except that both sides of the first card are colored red, both sides of the second car
Nikolay [14]

Answer:

probability that the other side is colored black if the upper side of the chosen card is colored red = 1/3

Step-by-step explanation:

First of all;

Let B1 be the event that the card with two red sides is selected

Let B2 be the event that the

card with two black sides is selected

Let B3 be the event that the card with one red side and one black side is

selected

Let A be the event that the upper side of the selected card (when put down on the ground)

is red.

Now, from the question;

P(B3) = ⅓

P(A|B3) = ½

P(B1) = ⅓

P(A|B1) = 1

P(B2) = ⅓

P(A|B2)) = 0

(P(B3) = ⅓

P(A|B3) = ½

Now, we want to find the probability that the other side is colored black if the upper side of the chosen card is colored red. This probability is; P(B3|A). Thus, from the Bayes’ formula, it follows that;

P(B3|A) = [P(B3)•P(A|B3)]/[(P(B1)•P(A|B1)) + (P(B2)•P(A|B2)) + (P(B3)•P(A|B3))]

Thus;

P(B3|A) = [⅓×½]/[(⅓×1) + (⅓•0) + (⅓×½)]

P(B3|A) = (1/6)/(⅓ + 0 + 1/6)

P(B3|A) = (1/6)/(1/2)

P(B3|A) = 1/3

5 0
3 years ago
I NEED THIS ANSWERED I DONT UNDERSTAND
Alex_Xolod [135]

Answer: 3.84

Step-by-step explanation:

If you time 6 by 0.8 you get 4.8 then you times 4.8 by 0.8 you get 3.84

Hope this helps :)

7 0
3 years ago
Read 2 more answers
Find the area of each face of the triangular prism and the total surface area.
Mashutka [201]

Answer:

area of each triangular base = 24

area of bottom rectangular face = 160

area of back rectangular face = 120

area of sloped rectangular face = 200

Total = 504

Step-by-step explanation:

8 0
4 years ago
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