Answer:
2 1/3 minutes
Step-by-step explanation:
4/3 minute = 80 seconds
80/4 (from 4/7) =
20 seconds per 1/7
20 * 7 = 140
140 to minutes = 2minutes and 20 sec or 2 1/3 minutes
Answer:
23.0 =x
Step-by-step explanation:
Assuming this is a right triangle
cos theta = adj/ hypotenuse
cos 23 = x/25
Multiply each side by 25
25 cos 23 = x
23.01262134 =x
To the nearest tenth
23.0 =x
Answer:
144
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
(b-3)(b-3) would equal (b^2–6b+9), when using the foil method.
Convert 30% to a decimal by dividing by 100 = 0.30
Multiply by the cost of the helmet, $50
50 x 0.30 = $15, the amount of the discount.
50-15 = $35, the sale price of the helmet.
For the sales tax, again, convert to a decimal by dividing by 100 = 0.06
35 x 0.06 = 2.10, the amount of sales tax
$35 + $2.10 = $37.10, total cost with tax
