Answer:
Half of a number is 15
Step-by-step explanation:
First of all, add commas between each option so it's easier to read I had a hard time figuring out what the options were because of this.
An equation is a statement that the values of two mathematical expressions are equal. An expression is a collection of symbols that jointly express a quantity. This means there has to be an equal sign when the phrases are put into numerical form.
Twice as much as a number: 2X
12 less than a number: X - 12
Half of a number is 15: X/2 = 15
The difference of 20 and a number: 20 - X
As you can see, only one of these phrases is an equation by definition, and that is X/2 = 15, or half of a number is 15. That's because it's the only one that values two expressions as equal.
45. divide the first set of x and y by 2 then multiply by 9 to get 45 for y and 18 for x
Answer:
{-1/8, 1/8}
Step-by-step explanation:
Solve |a|-3/4=-5/8 for |a|: Add 3/4 to both sides of this equation, obtaining:
|a| - 6/8 + 6/8 = -5/8 + 6/8, or |a| = 1/8. This absolute value function has two components:
a = 1/8 and a = -1/8.
Transformational properties allow systematic movement of congruent figures while maintaining or adjusting their orientation.
Answer:
Step 1: Find f(5/2)
f(5/2) = -23(5/2) + 5
f(5/2) = -115/2 + 5
<em><u>f(5/2) = -105/2</u></em>
<em><u /></em>
<em><u /></em>
Step 2: Find f(52)
f(52) = -23(52) + 5
f(52) = -1196 + 5
<em><u>f(52) = -1,191</u></em>
