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Aleonysh [2.5K]
1 year ago
11

Use the unit circle tan (3/4)

Mathematics
1 answer:
Mariana [72]1 year ago
5 0

Using the unit circle, the coordinates of 3π/4 is :

(-\frac{\sqrt[]{2}}{2},\frac{\sqrt[]{2}}{2})

Note that tangent function can be solved using the formula y/x

where x and y are the coordinates of the angle.

This will be :

\frac{\sqrt[]{2}}{2}\div(-\frac{\sqrt[]{2}}{2})=-1

The answer is -1

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Ranjit wants to measure the length of a table, but has no ruler or
krok68 [10]

9514 1404 393

Answer:

  108 cm

Step-by-step explanation:

6 pencil-lengths will be ...

  6 × 18 cm = 108 cm

The length of the table is 108 cm.

6 0
3 years ago
an internet passcode consists of a digit followed by a letter, followed by another digit. Assuming the digits are 0-9, how many
anyanavicka [17]
There are 10 single-digits (0 through 9) and 26 letters (A through Z)

For the first slot there are 10 choices which represents selecting a single digit
For the second slot there are 26 choices because we choose a single letter here.
Finally there are another 10 choices for the third slot (assuming repeats are allowed)

Multiply the values out: 10*26*10 = 260*10 = 2600

Answer: 2600
8 0
3 years ago
How does a "for every" statement show a ratio comparison?
Alchen [17]
Example: For every 3 boys, there are 4 girls.

Ratio: 3:4 also 3/4

How to use it?

Example question: If there are 3 boys for every 4 girls and there are 27 boys in the class, how many girls are there?

How to set up the ratio:

3 27
— = —
4 x


Solve it?

[Cross Multiply]

3x= 108

[Divide]

X= 36

How to check it?

Reduce 27/36 and see if it equals 3/4

OR

Plug both into the calculator and both should come out with the same decimal. In this case it is 0.75
8 0
3 years ago
Car A travels 702 miles on 12 gallons of gasoline car b travels 873 miles and 15 gallons of gasoline David wants to buy a car wi
Assoli18 [71]

David should buy Car A because it covers more miles in one gallon than Car B

Step-by-step explanation:

Given

Distance traveled by Car A = d_A = 702\ miles

Gallons used by Car A = g_A = 12

Distance traveled by Car B = d_B = 873\ miles

Gallons used by Car B = g_B = 15

In order to find the distance traveled on one gallon, we will divide the total distance by number of gallons

So,

Distance traveled by Car A in one gallon = \frac{702}{12} =58.5\ miles\ per\ gallon

Distance traveled by Car B in one gallon = \frac{873}{15} = 58.2\ miles\ per\ gallon

We can see that Car A travels more distance in one gallon that is 58.5 miles per gallon

So,

David should buy Car A because it covers more miles in one gallon than Car B

Keywords: Fractions, Unit rate

Learn more about unit rate at:

  • brainly.com/question/9527422
  • brainly.com/question/9381523

#LearnwithBrainly

6 0
3 years ago
You spend $22 on a game, receive $60 for painting a fence, and give $15 to your friend. You have $62 left. How much money did yo
Nikitich [7]

Answer:

$39

Step-by-step explanation:

$62 = t - $22 + $60 - $15

t = $39

6 0
3 years ago
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