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Wittaler [7]
2 years ago
6

30 18 24 4 = 18 make it true

Mathematics
2 answers:
xz_007 [3.2K]2 years ago
7 0

Step-by-step explanation:

30-18+(24/4)=12+6=18

Hope it helps

Vesnalui [34]2 years ago
3 0
30-[18-(24\4)] = 18

if you follow pemdas
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The route used by a certain motorist in commuting to work contains two intersections with traffic signals. The probability that
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Answer:

a) P(X∩Y) = 0.2

b) P_1 = 0.16

c) P = 0.47

Step-by-step explanation:

Let's call X the event that the motorist must stop at the first signal and Y the event that the motorist must stop at the second signal.

So, P(X) = 0.36, P(Y) = 0.51 and P(X∪Y) = 0.67

Then, the probability P(X∩Y) that the motorist must stop at both signal can be calculated as:

P(X∩Y) = P(X) + P(Y) - P(X∪Y)

P(X∩Y) = 0.36 + 0.51 - 0.67

P(X∩Y) = 0.2

On the other hand, the probability P_1 that he must stop at the first signal but not at the second one can be calculated as:

P_1 = P(X) - P(X∩Y)

P_1 = 0.36 - 0.2 = 0.16

At the same way, the probability P_2 that he must stop at the second signal but not at the first one can be calculated as:

P_2 = P(Y) - P(X∩Y)

P_2 = 0.51 - 0.2 = 0.31

So, the probability that he must stop at exactly one signal is:

P = P_1+P_2\\P=0.16+0.31\\P=0.47

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3 years ago
B) i) Solve - 4(3+x) + 5x + 3
Nina [5.8K]

Answer:

9x+15

Step-by-step explanation:

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2 years ago
What is the decay factor of the exponential function
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a.)1/3

Step-by-step explanation:

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Answer:

-1/5

Step-by-step explanation:

slope formula:

m = y₂ - y₁ / x₂ - x₁

Two points are given:

(-5, -5) (5, -7)

m = -7 - (-5) / 5 - (-5)

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3 years ago
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A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 teachers.
zheka24 [161]

Answer:

A) 0 and 13

Step-by-step explanation:

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27/2 = 13.5

13 teachers can teach 3 classes at max

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