Answer:
sin(x) = cos(y)
Step-by-step explanation:
Let's figure out what sin(x) and cos(y) are before we figure out the relationship.
Sine is opposite / hypotenuse. Here, the opposite side to angle x is 12 and the hypotenuse is 13. So, sin(x) = 12/13.
Cosine is adjacent / hypotenuse. Here, the adjacent side of angle y is 12 and the hypotenuse is 13. So, cos(y) = 12/13.
Now we can see the relationship: sin(x) = cos(y)
In fact, for any right triangle with angles 90°, α°, and β°, where α and β can be any angle degree that add up to 90, the following relationships are true:
sin(α) = cos(β)
and
sin(β) = cos(α)
Answer:
Total cost of covering the pedestal is <em>$12.54</em>.
Step-by-step explanation:
The pedestal is a <em>square prism </em>so top and bottom are of square shape.
Hence, we have here length = width
We know that the Total Surface Area of a Prism is:
Where <em>l</em> is length,
<em>w</em> is width and
<em>h</em> is height of prism
We know that here <em>w = l = 3 feet</em>
and <em>h = 4 feet</em>
Also, underside of pedestal is not to be covered.
The underside of pedestal is square type.
So,
Cost of cover per square foot = <em>$ 0.22</em>
Total cost of 
678 to the nearest hundred the answer is 700
Answer:
x = 30
Step-by-step explanation:
So we're going to start by finding the other angles of the triangle which x is part of. So we know that a line adds up to 180 degrees. So we can find the angle that's close to N. If you know which one I'm talking about.
105 + 45 = 150. So then we can subtract 150 from 180
180 - 150 = 30
And for the angle at angle L, it's also 90 degrees.
So we know that the angles that add up so far are 120.
Now we'll make an equation:
2x + 120 = 180
Because all angles of a triangle add up to 180
So we subtract 120 from both sides
2x = 60
Now we divide 2 form both sides.
x = 30
So, x = 30
Answer:
a. c
b. b
Step-by-step explanation:
a. To the right of means adding 7 and the original point is 1 so the answer is 1+7
b. To the left of means adding -7 and the original point is 1 so the answer is 1 + (-7)
