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4 years ago

Please help!

Mathematics

1 answer:

Troyanec [42]4 years ago

8 0

4 1/3+ 5 3/4 =

4 4/12+ 5 9/12 =

9 13/12=

10 1/12

so right now 10 1/12 of the fence is built so 2 11/12 still need to be built

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All Seasons Plumbing has two service trucks that frequently need repair. If the probability the first truck is available is .75,

astra-53 [7]

Answer:

5% probability neither truck is available

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that the first truck is available.

B is the probability that the second truck is available.

We have that:

$A = a + (A \cap B)$

In which a is the probability that the first truck is available and the second one is not $A \cap B$ is the probability that both trucks are available.

By the same logic, we have that:

$B = b + (A \cap B)$

The probability that both trucks are available is .30.

This means that $A \cap B = 0.3$

The probability the second truck is available is .50

This means that $B = 0.5$ . So

$B = b + (A \cap B)$

$0.5 = b + 0.3$

$b = 0.2$

The probability the first truck is available is .75

This means that $A = 0.75$ . So

$A = a + (A \cap B)$

$0.75 = a + 0.3$

$a = 0.45$

The probability that at least one truck is available is:

$A \cup B = a + b + (A \cap B) = 0.45 + 0.2 + 0.3 = 0.95$

The probability that neither truck is available is:

$1 - (A \cup B) = 1 - 0.95 = 0.05$

5% probability neither truck is available

6 0

3 years ago

How many squares will it take to fill the large square

anastassius [24]

Answer:

i believe it would take 16. let me know if thats right?

Step-by-step explanation:

4 0

3 years ago

Which of the following expressions are equivalent to -9/6 A. 9/-6 B.-9/-6 C. None of the above

xeze [42]

Answer:

A. 9/-6

Step-by-step explanation:

-9/6 and 9/-6 both equal -1.5

7 0

3 years ago

Can you reduce -6/-3

dezoksy [38]

Answer:

yes, -6/-3=2

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

The regular price of an item is $120. The item is on sale at a discount rate of 20%.

Natali [406]

Sale price = 120 - (120*20%)
= 120 - (120*0.20)
= 120 - 24
= 96

In short, Your Answer would be Option C) $96

Hope this helps!

6 0

4 years ago