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enyata [817]
3 years ago
11

First one to answer this gets brainlest: What is 5 * 4 + (6 / [ 2 + 1 ] ) *11

Mathematics
2 answers:
Ganezh [65]3 years ago
6 0

Answer:

Step-by-step explanation:

5 x 4 + 6/3 x 11

20 + 2 x 11

20 + 22

<u>42</u>

Nonamiya [84]3 years ago
3 0

Answer:

42

Step-by-step explanation:

5 * 4 + (6 / [ 2 + 1 ] ) *11

5 * 4 +2 * 11

20 +2 * 11

20+ 22

42

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The security system in a house has two units that set off an alarm when motion is detected. Neither one is entirely reliable, bu
Mariulka [41]

Answer:

Probability that detector B goes off is '0.615'

Step-by-step explanation:

Given that:

1) Probability that detector A goes off and detector B does not go off is 0.25.

2)Probability that detector A does not go off is 0.35.

3)Probability that detector A  goes off is (1-0.35)=0.65

Assuming that

Probability that detector B goes off is 'p' Hence the probability that detector B does not goes off  is (1-p)

Thus the probability that detector A goes off and detector B does not go off is  product of the individual probabilities

P(E)=0.65\times (1-p)\\\\0.65\times (1-p)=0.25\\\\0.65-0.65p=0.25\\\\0.65-0.25=0.65p\\\\\therefore p=\frac{0.40}{0.65}=0.615

Probability that detector B goes off is '0.615'

5 0
3 years ago
7 x 3/4
Mkey [24]

7 3/4

Step 1: Multiply 7 and 4.

            7 x 4=28

Step 2:Add 3 to their product.

         28+3=31

Step 3:The number so obtained is the numerator and the denominator remains the same.

Answer: 31/4

I think that is what you are looking for!

Hope that helps!!!

7 0
3 years ago
6. The table shows the number of manatee deaths caused by watercraft in Florida each year
erik [133]

Answer: quadratic model, 0.866

Step-by-step explanation:

8 0
3 years ago
2) Last Friday Trevon had $29. Over the weekend he received some money
OverLord2011 [107]

Answer:

12 dollars

Step-by-step explanation:

29+12=41 or 12-49=29

5 0
3 years ago
what is the exact circumference of a circle with a radius of 12 inches? A. 6 IN B. 12 IN C. 24 IN D. 48 IN
goldfiish [28.3K]

Answer:

C≈75.4in

Step-by-step explanation:

C=2πr=2·π·12≈75.39822in

6 0
2 years ago
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