I am not quite sure what the question asks for,
But this is what i assume it wants:
Cos A= 0.6489
In this given one, we basically find the size of the angle A
we do cosine inverse on both sides to get the size of the angle A
![cos^{-1}](https://tex.z-dn.net/?f=%20cos%5E%7B-1%7D%20)
: It looks like this in the calculator
![cos^{-1}](https://tex.z-dn.net/?f=%20cos%5E%7B-1%7D%20)
× cos A=
![cos^{-1}](https://tex.z-dn.net/?f=%20cos%5E%7B-1%7D%20)
(0.6489)
(
![cos^{-1}](https://tex.z-dn.net/?f=%20cos%5E%7B-1%7D%20)
and cos cancels out)
A=
![cos^{-1}](https://tex.z-dn.net/?f=%20cos%5E%7B-1%7D%20)
(0.6489)
A=49.54°
check:
cos 49.54=0.6489 (its right!)
Answer:
Step-by-step explanation:
y = -x + 1......same as y = -1x + 1.....in y = mx + b form, ur slope is in the m position....so the slope of this line is -1.
a parallel line will have the same slope.
(-1,3)...x = -1 and y = 3
slope(m) = -1
y = mx + b.....we have x,y, and m....now we need to find y int (b)
3 = -1(-1) + b
3 = 1 + b
3 - 1 = b
2 = b
so ur parallel equation is : y = -1x + 2...or just y = -x + 2
Hey there!!
Given :
![f ( x ) = 2x + 7](https://tex.z-dn.net/?f=f%20%28%20x%20%29%20%3D%202x%20%2B%207)
Find f ( 7.5 )
Now, we will need to substitute the value of 7.5 in place of x
![f(7.5) = 2(7.5) + 7](https://tex.z-dn.net/?f=f%287.5%29%20%3D%202%287.5%29%20%2B%207)
![f(7.5) = 15 + 7](https://tex.z-dn.net/?f=f%287.5%29%20%3D%2015%20%2B%207)
![f(7.5) = 22](https://tex.z-dn.net/?f=f%287.5%29%20%3D%2022)
Hope my answer helps!
Answer:
-6 is less than -5
Step-by-step explanation:
any negative number is always lower than a positive number