Multiply x<span> and </span>3
<span>Multiply x and 1</span>
<span>The x just gets copied along.</span>
<span>The answer is x</span>
x
<span>3*x evaluates to 3x</span>
Because of the minus sign
<span>3x becomes - 3x</span>
<span>The answer is -3x</span>
<span>Multiply y and 2</span>
<span>Multiply y and 1</span>
<span>The y just gets copied along.</span>
<span>The answer is y</span>
y
<span>2*y evaluates to 2y</span>
<span>-3*x-2*y evaluates to -3x-2y</span>
<span>The answer is -3x-2y-2</span>
<span>-3*x-2*y-2 evaluates to <span>-3x-2y-2</span></span>
<span><span>so the first one is right</span></span>
<span><span>
</span></span>
Answer:
(21/30)*100 = $70
Step-by-step explanation:
1.which of the following is not true for adding mixed numbers?
A.the denominators of the fractions must be the same in order to add them.
B.you can add mixed numbers by changing them into improper fractions or by using a number line.
C.the sum of the mixed numbers written as an improper fraction is in simplest form.
D.the sum of the mixed numbers must be written in simplest form
The answer is C
Answer:
3 x 8 = ____16____
Step-by-step explanation:
8+8+8= 16 or 3+3+3+3+3+3+3+3= 16
Hope this helps :)
