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3 years ago

Help asap thank you....

Mathematics

2 answers:

MrMuchimi3 years ago

4 0

The answer to your question is letter F.

dolphi86 [110]3 years ago

3 0

The answer will be F. If you plot the point you can see that they are in chronological order.

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How do I simplify (tanx/1+secx) + (1+secx/tanx)

Ket [755]

Tan x /(1 +sec x) + (1+sec x) /tan x

Tan x=sin x / cos x
1+ sec x=1 +1/cos x=(cos x+1)/cos x

Therefore:
tan x /(1 +sec x) =(sin x/cos x)/(cos x+1)/cos x=
=(sin x * cos x) / [cos x* (cos x+1)]=sin x /(Cos x+1)

(1+sec x) /tan x=[(cos x+1)/cos x] / (sin x/cos x)=
=[cos x(cos x+1)]/(sin x *cos x)=(cos x+1)/sin x

tan x /(1 +sec x) + (1+sec x) /tan x=
=sin x /(Cos x+1) + (cos x+1)/sin x=
=(sin²x+cos²x+2 cos x+1) / [sin x(cos x+1)]=

Remember: sin²x+cos²x=1⇒ sin²x=1-cos²x

=(1-cos²x+cos²x+2 cos x+1) / [sin x(cos x+1)]=
=2 cos x+2 / [sin x(cos x+1)]=
=2(cos x+1) / [sin x(cos x+1)]=
=2 /sin x

Answer : tan x /(1 +sec x) + (1+sec x) /tan x= 2/sin x

8 0

3 years ago

Work out the area of the triangle. 10m 26m 24m The diagram is not drawn to scale.

ser-zykov [4K]

Answer:

120m^2

Step-by-step explanation:

this is a pythagorean triple, which means that the three numbers form a right triangle. I recommend memorizing the most popular ones

So the area of this would just be 10m*24m/2 or 120m^2

3 0

2 years ago

What is an equation of the line that passes through the points (-3, -1) and<br> (-6,3)?

Angelina_Jolie [31]

Answer:

y=-4/3 + 11

Step-by-step explanation:

1. Find the slope

-6-(-3)

slope= -4/3

2. Point slope form

y-3=-4/3(x+6)

y-3=-4/3x + 8

y=-4/3x+11

8 0

2 years ago

A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students ar

Vlad1618 [11]

Answer:

Step-by-step explanation:

Hello!

The population is the set of elements that you are interested in studying. In this example, the instructor wants to know the number of days Lake Tahoe Community College math students are absent from class during a quarter. To do so she will take a random sample of math students and register the number of absences of each student. Each math student is an element of the population.

Then the population is "Lake Tahoe Community College math students"

I hope it helps!

6 0

3 years ago

Which statement is true regarding the graphed functions? A) f(4)=g(4) B) f(4)=g(-2) C) f(2)=g(-2) D) f(-2)=g(-2)

fomenos

Answer:

Option (D)

Step-by-step explanation:

If the two points $(x_1,y_1)$ and $(x_2,y_2)$ are lying of the line.

Slope of the line represented by the function 'f' = $\frac{y_2-y_1}{x_2-x_1}$

Two points are lying on the line are (-2, 4) and (0, -2).

Slope of the line passing through these points 'm' = $\frac{4+2}{-2-0}$

m = -3

Y-intercept of the line 'b' = -2 [From the graph]

Therefore, equation of the function will be,

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

f(x) = -3x - 2

Similarly, for other function represented by the line in red,

Slope of the line passing through (-6, 0) and (0, 6) = $\frac{6-0}{0+6}$

m' = 1

Y-intercept of g(x) = 5 [From the graph]

Equation that represents the function g(x) = 1.x + 5

g(x) = x + 5

For g(x) = f(x)

-3x - 2 = x + 6

-3x - x = 2 + 6

-4x = 8

x = -2

Therefore, for x = -2 both the functions will have the value.

f(-2) = g(-2)

Option (D) will be the answer.

6 0

3 years ago