Answer:
<h2>It's a right triangle. a = 5.</h2>
Step-by-step explanation:
Look at the picture.
We have the triangle 30° - 60° - 90°. The sides are in ratio 1 : √3 : 2.
We have:
<em>divide both sides by √3</em>

It's a right triangle.
Answer:
6480
Step-by-step explanation:
18% of 1500 is 270 x 24 for each month of 2 years and you get 6480
Note how all four answer choices begin with "x=-2(." This tells us that we have the graph of a horizontal parabola that opens to the left, because of the "-" symbol.
Given that the vertex is located at (-1,-3), we know that the (y-c) term must be (y-[-3]), or (y+3). Thus,we can immediately eliminate answer choices b and d
The only answer choice that fits this situation is (a): x = -2(y+3) - 1.
(21x- 19x) -10= 180
2x-10= 180
2x= 190
x= 95
hope this helps!
Start with an equation.
Nine less... so -9
3 times a number = 3x
Greater than 40 is >40
So put together is 3x-9>40
When solving I imaging the greater than sign as an equal sign. Less confusing.
3x-9=40
3x=49
x>49/3