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4 years ago

How do I do these types of problems

Mathematics

1 answer:

cestrela7 [59]4 years ago

8 0

Answer:

find the square root of both of the objects, and subtract them to find the answer.

Step-by-step explanation:

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Which of the following trigonometric ratios has a value that is undefined?

masya89 [10]

Answer:

it is sin C

Step-by-step explanation:

3 0

4 years ago

N is the midpoint of . Find the length of the line segment PQ if NQ = 18. answers:

Vitek1552 [10]

36 because NQ is 18 and the tic mark means that each half is equal to each other, and 18+18=36 :D

5 0

3 years ago

What is the slope of a line perpendicular to the line whose equation is

Marina86 [1]

Answer:

The slope of a line perpendicular to the line whose equation is 4x - 5y = 10 is -5/4.

Step-by-step explanation:

provided the equation;

4x- 5y=10.(let it be equation of line1 )

and the other line be line2

from perpendicularty principle

M1×M2= -1

BUT for M1(slope of line L1)

y= mx+c

where "c" is constant value.

"m" is slope.

therefore

5y= 4x - 10

(dividing by five throughout)

y=(4x/5) - 2

y= (4/5)x - 2

therefore M1= (4/5)

Returning back to our principle

M1×M2= -1

(4/5)M2=-1

M2= -5/4

3 0

3 years ago

How would I solve for x?

vaieri [72.5K]

Answer:

$x = 65$

Step-by-step explanation:

First, we calculate the unknown angle of the left triangle and right triangle: $180 - 62 - 50 = 68$

Unknown angle for left triangle⬆️

$180 - 80 - 53 = 47$

Unknown angle for right triangle⬆️

Now we've calculated the two angles for the small triangle in the middle. So, we just have to calculate the top angle of the middle triangle:

$180 - 68 - 47 = 65$

The angle 65° and angle of x are vertical angle.(both are equal)

So... x= 65°

hope it helps :)

4 0

3 years ago

Which expression is equivalent to sec^2xcot^2x?

Lady_Fox [76]

$\sec x=\dfrac{1}{\cos x}\\\\\cot x=\dfrac{\cos x}{\sin x}$

$\sec^2x\cot^2x=\dfrac{1}{\cos^2x}\cdot\dfrac{\cos^2x}{\sin^2x}=\dfrac{\cos^2x}{\cos^2x\sin^2x}=\dfrac{1}{\sin^2x}$

8 0

3 years ago

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