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3 years ago

Solve for y: 1/2 y - 7 = -24

Mathematics

2 answers:

monitta3 years ago

8 0

Answer:

Y = 1/2y - 7 = -24

1/2 x 62 = 31

31 - 7 = 24

RideAnS [48]3 years ago

7 0

Answer:

-42

Step-by-step explanation:

First, add 7 to both sides, then you have 0.5y=-21, then simply divide by 0.5 on both sides( remember dividing by a fraction is simply multiplying by a whole number, in this case 2 because the fraction is 1/2) which gives you y=-42.

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3 years ago

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Family traveled 25 miles in 1/2 hour. If it’s currently 3:00 pm and the destination is 225 miles away, what time will they arriv

dangina [55]

It is currently 03:00 PM, the family will reach at 03:00+4.5 = 07:30 PM

Step-by-step explanation:

We have to calculate the speed first to find the time it will take the family to complete the trip.

Given

Distance = d = 25 miles

Time = t = 1/2 hours = 0.5 hours

$Speed =\frac{d}{t}\\=\frac{25}{0.5}\\=50 miles\ per\ hour$

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4 years ago

Solve this problem

Gemiola [76]

Answer:

a+b=3

and

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3 years ago

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Answer:

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3 years ago

Stacy performed an experiment in which she rolled a six-sided die multiple times. The results are shown below

user100 [1]

Answer:

5/9

Step-by-step explanation:

Let the probability of getting a multiple of 3 is "A"

Let the probability of getting an even number is "B"

Total number of outcomes=36

Total number of favourable outcomes of either a multiple of 3 or an even number are

(1,1) ,(1,2) ,(2,1) ,(1,3) ,(3,1) ,(2,2) ,(1,5) (5,1) ,(3,3) ,(2,4) ,(4,2) ,(2,6) ,(6,2) ,(3,5) ,(5,3) ,(4,4) ,(6,4) ,(4,6) ,(5,5) ,(6,6)

That is we have 20 favourable outcomes

Hence, Probability=\frac{\text{favourable outcomes}}{\text{total number of outcomes}}Probability=

total number of outcomes

favourable outcomes

Therefore, after substituting the values we get

probability=\frac{20}{36}probability=

After simplification we will get

probability=\frac{5}{9}probability=

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3 years ago