Answer:
1.25% of all the 8,000 people who tried the shampoo had a mild allergic reaction
Step-by-step explanation:
Divide 8,000 by 64 to get the unsimplified percentage
Then put a dot between 1 and 2 to get the percentage to get the percentage, 1.25%
Answer: 8. There were 11 pieces and 3 were used, so 8 are left.
Answer:
9 months
Step-by-step explanation:
$500 - $240 = $260
$260/$30 = 8.67(3s.f.) ≈ 9 months
Recheck:
Balance after 9 months = 240 + (30×9) = 240 + 270 = $510
∴ $510 > $500
Answer:
b and E and c
Step-by-step explanation:
- A is false because some elements have the same image like 2.3 and 2.2 , 2.5 ...
- B is true because the image of an integer remains the same using the greatest integer function. So C is true
- E is true
If (x+2) is a factor of 3x^2+14x+k, the equation must equal zero when x=-2 so:
3(-2)^2+14(-2)+k=0
12-28+k=0
-16+k=0
k=16
