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irinina [24]
3 years ago
13

Find the function value.tan495°

Mathematics
1 answer:
Trava [24]3 years ago
6 0

Answer:

-1

Step-by-step explanation:

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Can you maybe take a picture of the problem, it’s kinda hard to understand what you’re trying to ask for
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3 years ago
The speed of the boat going with a current is 20 mph. When the boat goes against the current, the speed is 16 mph. Find the spee
adoni [48]

Answer:

The speed of the boat in still water is 18 mph.

The speed of the current is 2 mph

Step-by-step explanation:

Let x represent the speed of the boat in still water.

Let y represent the speed of the current.

When the boat goes against the current, the speed is 16 mph. Assuming it traveled against the current while going upstream, its total speed would be (x - y) mph. It means that

x - y = 16  (equation 1)

Going downstream, the boat averages 20 mph. Assuming it traveled with the current, its total speed would be (x + y) mph. It means that

x + y = 20  (equation 2)

Adding both equations, it becomes

2x = 36

x = 36/2

x = 18 mph

Substituting x = 18 into equation 1, it becomes

18 - y = 16

y = 18 - 16

y = 2 mph

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3 years ago
Use the substitution method to sloved the systmem of equaions. Choose the correct order pair
vazorg [7]
X= 12 + y
So then plug in
12 + y + y = 12
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4 0
3 years ago
What is the diameter of 10 inches​
wolverine [178]

Answer:

Step-by-step explanation:

C = π x 10cm = 31.42cm (to 2 decimal places).

4 0
3 years ago
How do I write a decimal or fraction as a percent for 2/5
AleksandrR [38]

Answer:

40%

Step-by-step explanation:

Make it so the denominator is 100 since a percentage is out of a 100.

2/5 x 20/20 = 40/100

Now turn 40/100 into a percent. Should be simple. 40 out of 100 is 40%.

4 0
3 years ago
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