Answer:
7 hr * 12 days = 84 hours
10*84 = 840 man-hrs to build the wall
----
14 men * 8 hr = 112 man-hrs/day
840/112 = 7.5 days
Step-by-step explanation:
Answer:
(-10,0)
Step-by-step explanation:
y = 3/2 x + 15
To find the x intercept let y =0 and solve for x
0 = 3/2x +15
Subtract 15 from each side
-15 = 3/2x -15+15
-15 = 3/2x
Multiply each side by 2/3
2/3 *-15 = 2/3 * 3/2x
-10 =x
The x intercept is
(-10,0)
Here's the explanation ~
Zeros or roots of a function is the value of independent variable (usually x - coordinate or absicca) where the value of dependent variable (y - coordinate or ordinate) is 0.
That is :
The point where it cuts the x - axis, it has an x - coordinate = -6
Therefore, we can conclude that The zero of given function is -6
Answer:
268.13
Step-by-step explanation:
To find the sales tax, multiply the decimal value of the sales tax times the original price. The sales tax at 7.25% is the same as the decimal 0.0725.
sales tax = 250 x 0.0725 = 18.125
round that amount to the nearest penny so it is 18.13
The total price you would pay is the original price plus the sales tax
250 + 18.13 = 268.13
Okay so if you grab the 400 and subtract that from 1220 which equals 820. After that you should subtract the 100 and 200 from 820 since she is using that for utilities and food. Which then equals to 520 and that should be to your answer. Hope that helps
