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irina1246 [14]
3 years ago
11

Please Help! (Math)(tanβ)

Mathematics
1 answer:
sertanlavr [38]3 years ago
7 0

Answer:

<u>Find the missing side first.</u>

  • x = \sqrt{12^2 - 7^2}  = \sqrt{144 - 49} = \sqrt{ 95}

1) tangent = opposite leg / adjacent leg

  • tanβ = √95/7
  • Correct choice is B

2) sine = opposite leg / hypotenuse

  • sinβ = √95/12
  • Correct choice is D
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F(-2) when f(x) = -2x - 3
Vika [28.1K]

Answer:

1

Step-by-step explanation:

f(-2)=-2x-3

plug in the -2

f(-2)= -2(-2) -3

multiply it out

f(-2)= 4-3

subtract

f(-2)= 1

7 0
3 years ago
Find the length of an arc of 40 degrees in a circle with an 8 inch radius.​
gregori [183]

Answer:

16π/9

Step-by-step explanation:

40°/360° = 1/9

40° is 1/9 of a circle

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7 0
2 years ago
87.6564 to DP Please help me, thanks
kirill115 [55]
<span>1.       </span><span>DP , you mean decimal points?
87.6564 is already written in decimals points.
it is a combination of a whole number and a decimal points.
=> 87 is the whole number where 8 is tens and 7 is the ones.
=> 6564 is the decimal numbers where 6 next to the decimal point is tenths, 5 is hundredths, 6 is the thousandths and 4 is the ten thousandths.
When you round this number to its nearest tenths, it becomes 87.7</span>



5 0
3 years ago
A shape is shown on the graph:
Setler79 [48]
Sorry it took me so long, the correct answer is B.
6 0
3 years ago
Read 2 more answers
a washer and a dryer cosr $873 combined. thenwasher cost$ $77 less than the dryer . what is the cost of the dryer.
Hitman42 [59]

Let the dryer cost x.

Then, the washer costs (x-77)

Together, they cost  (x) + (x-77) = 873

        2x-77 = 873      [subtract 77 from both sides]

           2x =    796      

            x = 398

So the dryer costs $398

5 0
3 years ago
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