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fredd [130]
2 years ago
10

Multiply. Write the answer in simplest form. 1/2 x 3/5 x 4/9

Mathematics
1 answer:
dexar [7]2 years ago
5 0

Answer:

4/75

Step-by-step explanation:

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1/2x + x + 1/5y + y = 32
NeTakaya
(1/2)x + x + (1/5)y + y = 32

(3/2)x + (6/5)y = 32
4 0
2 years ago
Howie sorkin can travel 8 miles upstream in the same time it takes him to go 12 miles downstream. His boat goes 15 mph in still
lozanna [386]

Answer: the speed of the current is 2.5 mph

Step-by-step explanation:

Let the speed of the boat be x miles per hour

Let the speed of the current be y miles per hour

Speed = distance / time

Time = distance/speed

If the boat goes 12miles downstream(in still water) at 15 mph then, the time is

12/ 15 = 0.8 hours

In still water, it means that it moved in the same direction with the current.

The total speed would be x + y. Therefore

x + y = 15 - - - - - - -1

If the boat goes 8 miles upstream in 0.8 hours, the the speed is

8/ 0.8 = 10 miles per hour

Assuming it moved in the opposite direction to the current.

The total speed would be x -y. Therefore

x - y = 10 - - - - - - -2

Adding equation 1 and equation 2, it becomes

2x = 25

x = 25/2 = 12.5

y = 15 - x

y = 15 - 12.5 = 2.5 miles per hour

8 0
3 years ago
Four bags of rice and two bags of corn weigh 52 lbs. Three of the bags of rice weigh 24 lbs. What is the ratio of weight of the
Paraphin [41]

Answer:

2.1666666

Step-by-step explanation:

52÷24=2.1666666

4 0
2 years ago
Please help me, which of the following sets of ordered pairs is a function?
Anni [7]
Function means no x value repepetes with a differnt y value
(x,y)
first numbers never repeat


first one, the x values repeat
2nd, x values rpeat
3rd, no repeat
4th, -3 repeats

answer is 3rd option
4 0
2 years ago
In the U.S. we consume 20 million barrels of oil per day. If the U.S. population is 320 million people, how many barrels per day
anyanavicka [17]

Answer:

1/16 or 0.0625

Step-by-step explanation:

Divide 20 by 320 and you get 1/16 or 0.0625

6 0
3 years ago
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