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weqwewe [10]
3 years ago
15

Any help please, confused‍♀️

Mathematics
2 answers:
vivado [14]3 years ago
6 0
Use Trigonometry and reread the question and you will understand soon
IceJOKER [234]3 years ago
6 0
Sin 60 = opposite/hypotenuse

opposite is 30.  Hypotenuse is what we are looking for. Use algebra:

hypotenuse = opposite/sin60

hypotenuse = 30/(sqrt(3)/2)
hypotenuse = 60/sqrt(3) = 60sqrt(3)/3 = 20sqrt(3)

So the belt is 20sqrt(3) or 34.6 foot
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The price of a smart watch is $109.99 and the sales tax is 6.5%.
Sergeeva-Olga [200]

Answer:

17.14

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which is the Area of a circle with a diameter of 7 units?
saul85 [17]
Area of a circle = (3.14) * r^2
d = 7
r = 3.5

a = (3.14) * 3.5^2
a = (3.14) * 12.25
a = 38.47
7 0
3 years ago
Please help me with this. It needs to be done soon, so I’d appreciate anyone who answers this.
creativ13 [48]

Answer:

A. 4 1/2 ==+ 3

B. 2 + 4

C. 1/2 + 1/2

D. 2 1/2 + 1

E. 4 1/2 + 2

Step-by-step explanation:

Read the coordinates and just like figure out the order which it's like 1 through 5 but wit fractions. hope this helps.

8 0
3 years ago
(PLEASE HELP ASAP)
lesya [120]

Answer:

  • Slope: -2
  • equation: y = -2x +5

Step-by-step explanation:

The given point is the y-intercept of the line, so the slope-intercept form of the equation of a line can be used:

  y = mx + b . . . . for slope m and y-intercept b

Here, you have the slope given as ...

  m = -2

  y-intercept = 5

so the equation of the line is ...

  y = -2x +5

_____

The y-intercept is the value of y when x=0. The point (x, y) = (0, 5) tells you the y-intercept is 5.

7 0
3 years ago
How do you simplify this
Dafna11 [192]

Top:

x / (x + 1) - 1 / x

= [x^2 - (x +1)] / x(x+1)

= (x^2 - x - 1 ) / x (x+1)

Bottom:

x / (x + 1) + 1 / x

= [x^2 + (x +1)] / x(x+1)

= (x^2 + x + 1 ) / x (x+1)

Now you have:

(x^2 - x - 1 ) / x (x+1)

----------------------------

(x^2 + x + 1 ) / x (x+1)

= (x^2 - x - 1 ) / x (x+1) * x (x+1) / (x^2 + x + 1 )

= (x^2 - x - 1 ) /(x^2 + x + 1 )

Answer:

x^2 - x - 1

---------------------

x^2 + x + 1

7 0
3 years ago
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