Answer:
B
Step-by-step explanation:
No matter what value you multiply a, the fraction will remain unchanged. That is because you can divide an a out from the numerator and the denominator. Thus, doubling a has no affect on the fraction, and in fact, u can simplify it to just bc. Now, if you halve b, it will simply just halve the actual value. When you halve b, you are simply executing (1/2)(b)(c). Therefore, you can rearrange the expression to be (1/2)(bc), which is just halving bc. If you decrease by 1/2, it's the same thing as being half of the value it was before. Therefore, the answer is b.
The answer is the 2nd choice
Step-by-step explanation:
Given
(2x - 7) ²
We can see it is in the form of (a - b) ² so.
= (2x)² - 2 * 2x * 7 + 7²
= 4x² - 28x + 49
Answer:
15
Step-by-step explanation:
We assume you mean that ...
∠1 + ∠2 = 90°
60° + 2x° = 90° . . . . given values for the angles
2x° = 30° . . . . . . . . . .subtract 60°
x = 15
I think 6 of each. I divided 15 by 2, got $7.50. You can buy exactly six magazines w that, and 6.5 granola bars. So six of each.
