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marta [7]
3 years ago
9

Graph the following equations - y = 2 x - 1

Mathematics
1 answer:
zalisa [80]3 years ago
7 0

Answer:

f(x)= 1 - 2x

Step-by-step explanation:

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Find the exact value of tan( cos^-1 ( -5/13))
trasher [3.6K]

Answer:

-¹²/₅  

Step-by-step explanation:

Let cos a = -⁵/₁₃

Then tan a = sin a/cos a

= [√(1 - cos²a)]/cos a

= {√[1 - (-⁵/₁₃)²]}/(-⁵/₁₃)

= -[√(1 - ²⁵/₁₆₉)] × ¹³/₅

= -[(√(¹⁴⁴/₁₆₉ )] × ¹³/₅

= -¹²/₁₃ × ¹³/₅

= -¹²/₅

tan(arccos (-⁵/₁₃)) = -¹²/₅

The diagram shows the 2nd  quadrant of a circle with radius 13, cos a = -⁵/₁₃, and tan a = ¹²/₍₋₅₎ = -¹²/₅.

4 0
3 years ago
What kind of triangle does it form?
Gwar [14]

Answer:

It forms a scalene triangle

Step-by-step explanation:

This is because scalene triangle does not have any of its sides equal.

\sqrt{111} is also 10.54.And looking at the measurements none of it are equal to each other so therefore it is a scalene triangle

7 0
3 years ago
The length of the base of a right triangle is 12 meters. The height of the right triangle is 9 meters. find the area of the righ
Komok [63]

Answer:

A=54m²

Step-by-step explanation:

A = hbb/2 =9 · 12/2 = 54m²

8 0
2 years ago
Every number other than 0 has a multiplicative inverse.
Gala2k [10]

Answer:

A multiplicative inverse of a real number x is a real number y such that xy = 1. ... ((NOT GOOGLING DEF))

Step-by-step explanation:

"For every real number x, if x 0, then there is a real number y such that xy = 1.”

3 0
2 years ago
Add 2/3+1/4. You MUST show your work to receive full credit
makkiz [27]
Write all numerators above the least common denominator.
8+3/12
Add the numbers.
Solution 11/12
8 0
3 years ago
Read 2 more answers
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