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Katyanochek1 [597]
3 years ago
13

*) Place the parentheses to make the expression equal

Mathematics
1 answer:
WITCHER [35]3 years ago
3 0

Answer:

Step-by-step explanation:

1 + 02 = 03

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I need help with this math question
Svetach [21]

Answer:

D = 12

Step-by-step explanation:

Side ST is corresponding to side QT. 9" / 3" = 3

3 is the proportion between the two triangles.

Side PT is the corresponding side to side RT.

PT = 4" x 3 = 12"

3 0
2 years ago
Consider the following portion of an electric circuit with three relays. Current will flow from point a to point b if there is a
Svetradugi [14.3K]

Answer:

0.9009

Step-by-step explanation:

Let X be the event that Current will flow

Let Y be the event that the first relay which is 1 is closed

Thus, we can say that every element of Y is in X, but X possesses more elements. Thus, Y ⊂ X.

Thus, we can say that;

P(X ∩ Y) = P(Y)

Thus, given that current flowed, the probability that relay 1 functioned will be expressed as;

P(Y | X) = (P(Y ∩ X))/P(X)

From earlier, we saw that P(X ∩ Y) = P(Y). Thus;

P(Y | X) = P(Y)/P(X)

From the question, P(Y) = 0.9

Since there are 3 relays, then we have;

P(X) = 1 - 0.1³ = 0.999

Thus;

P(Y | X) = 0.9/0.999

P(Y | X) = 0.9009

4 0
3 years ago
The book doug is reading is 280 pages long. he has read 84 pages so far. What percent of his book has Doug read
icang [17]
84/280=.3 convert that to a decmal which is 30%
6 0
3 years ago
Read 2 more answers
Is my answer correct
nikklg [1K]
I strongly believe your answer is correct
8 0
3 years ago
Mike spent half of his allowance going to the movies. He washed the family car and earned 7 dollars. What is his weekly allowanc
satela [25.4K]

What a wack question, confused on either he spent that 7 or didn't. But imma say he didnt so, i think 8$ if thats even an answer, spent half his allowance and earned 7 dollars and ended off with 15 at the end of the week. So that means 8 doesn't it?

Step-by-step explanation:

6 0
3 years ago
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