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olga55 [171]
2 years ago
10

What is the order biggest to least. 6/40 -4 3/4 -9/20

Mathematics
2 answers:
OlgaM077 [116]2 years ago
8 0

Answer:

.15, -.45, -4.75

Step-by-step explanation:

put all of them into a ti84 calculator and convert to decimals and then you get your answer.

arlik [135]2 years ago
6 0

Answer:

6/40, > -9/20, > -4 3/4

because positive numbers are greater, and the smaller the negative number, the greater it is.

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A circular lid has a diameter of 12 inches. What is the exact area of the lid? A. 6π square inches B. 12π square inches C. 24π s
kaheart [24]
The area of any circle is equal to \pi r^2, where r is the radius.

We know that the diameter is 12. The radius is always half of the diameter, so the radius of our circle must be 6.

Substitute 6 for r in our equation and simplify.

π6² = π6×6 = 36π in²
6 0
3 years ago
2. Consider the circle x² + y2 = 1, given in figure. Let OP makes an angle 30° with the x axis.
PolarNik [594]

The equation of the tangent line to the circle passing through the point P is; y = (1/√3)x ± 2/√3

<h3>How to find the equation of the tangent?</h3>

I) We are given the equation of the circle as;

x² + y² = 1

Since angle of inclination is 30°, then slope is;

m = tan 30 = 1/√3

Then equation of the tangent will be;

y = (1/√3)x + c

Put  (√3)x + c into the given circle equation to get;

x² + ((1/√3)x + c)² = 1

x² + ¹/₃x² +  (2/√3)cx + c² = 1

⁴/₃x² +  (2/√3)x + (c² - 1) = 0

Since we need to find value of c for equation to become tangent, then the above quadratic equation must have real and equal roots.

Thus;

((2/√3)c)² - 4(⁴/₃)(c² - 1) = 0

⁴/₃c² - ¹⁶/₃(c² - 1) = 0

⁴/₃c² - ¹⁶/₃c² + ¹⁶/₃ = 0

4c² = ¹⁶/₃

c² = ⁴/₃

c = √⁴/₃

c = ±²/√3

Thus, equation of tangent is;

y = (1/√3)x ± 2/√3

II) Radius from the given equation is 1. Thus, we will use trigonometric ratio to find the x and y intercept;

x-intercept is at y = 0;

0 = (1/√3)x ± 2/√3

-(1/√3)x = ±2/√3

Intercept is positive. Thus;

x = (2/√3)/(1/√3)

x = 1

y - intercept is positive at x = 0;

y = (1/√3)0 ± 2/√3

y = 2/√3

Read more about Equation of tangent at; brainly.com/question/17040970

#SPJ1

6 0
1 year ago
Is 3/20 larger then 2
aleksley [76]
To find out is 3/20 is larger than 2 we will convert 3/20 to a decimal. Lets do it:- 

3/20
3 ÷ 20 = 0.15

Is 0.15 larger than 2?

No, 0.15 is not larger than 2.

So, 3/20 isn't larger than 2.

Hope I helped ya!! xD
8 0
3 years ago
Read 2 more answers
HELP ASAP I NEED THIS TODAY ONLY I WILL MARK BRAINLIEST
Serjik [45]

Answer:

Step-by-step explanation:

1a. 14

1b. it's positive

2. If we were to just go with an estimation, i would say anywhere between 50-60, but I'm going with 50

4 0
3 years ago
30 points: 5 star and best answer and thanks. you can leave answers in. A B C or D ty ty ty.
nalin [4]
1, B 2, C 3, C 4, C 5, a 6, b 7, b 8, C 9, a I think. Hoped this helps.
5 0
3 years ago
Read 2 more answers
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