Answer:
3) -11
Step-by-step explanation:
f(-3)=5*(-3)+4
f(-3)=(-15)+4
f(-3)=-11
Answer:
3 hours
Step-by-step explanation:
$105 - $30 = $75
$75 ÷ $25 = 3 hours
Answer: 431 reserved seats were sold.
Step-by-step explanation:
<h3>4(1787-y)+3y = 5792
</h3><h3>7148-4y+3y = 5792</h3><h3>x+1356=1787
</h3><h3>x=431</h3><h3 /><h3>Hope this helps :)</h3>
Log base 4 of 32 is equal to 5/2.
What a log is looking for is what number do we have to raise 4 to in order to get 32. Since it is not an exact multiply of 4, we have to look for fractions. Since we know that 2 can multiply directly to 32, we would simply take the square root of 4. This can be done by raising 4 to the 1/2.
Now that we have 2, we know that raising that to the 5th power would give us 32. So we'll take that answer and the 1/2 from before and multiply them together to get the final answer.
5*1/2 = 5/2.
The dirty little secret about trig is students mostly just need to understand the 45/45/90 right isosceles triangle and the 30/60/90 triangle, which is half an isosceles triangle.
I'm sure you have seen it many times already, so I'll remind you in the 30/60/90 right triangle the sides opposite those angles are respectively in the ratio
. Remember the smallest side is always opposite the smallest angle, etc. These make a right triangle because
So in this hypotenuse 2 triangle, the length 1 side is opposite the 30 degree angle and the
side is adjacent to it.
We could jump right to the answer but let's enumerate all the trig functions. Really you should memorize the sine and cosine so you can get these quickly.
We want the cotangent, another way to get it is
