Answer:
first is a) option and second is b) option
Answer: IDEK I THINK
Step-by-step explanation:the number of times Mateo swims each week is represented by the...4 rectangles...in the model.
The distance, in miles, that Mateo swims each time he goes to the pool is represented by the...2 shaded sections out of 3 in 1 rectangle.
The total distance Mateo swims each week can be determined using the expression...8/12 x 2/3 which is equivalent to...4/9miles.
Answer:
2.5 ft
Step-by-step explanation:
The figure for the given scenario is shown below.
There are two right angled triangles, ΔACD and ΔBCD
The height of flag staff is represented by segment AB, BC is the height of pedestal stand , D is a point on the ground that makes angles 30° and 60° with the bottom and top of staff at B and A respectively.
AB = 5 ft. Let the height of pedestal stand be ft and the distance of point D from the bottom of stand be ft as shown in the figure.
Now, from ΔACD,
From ΔBCD,
Plug in the value of in the first equation and solve for .
.
Therefore, the height of the pedestal stand is 2.5 ft.
{x - 3y = 7 | · (-2)
{2x - 6y = 12
{-2x + 6y = -14
{2x - 6y = 12 (+)
---------------------------------------
-2x + 2x + 6y + (-6y) = -14 + 12
0 = -2
contradiction
x, y ∈ ∅
Okay so first we need to know how much work each worker can do so we have two divide the 15 hours by 6 workers.
i decided to make to hours into half hours just to make it easier
in the end every worker can do 2 hours and 30 minutes of work
but if you add in 7 more workers it will take about 1.1 hour for each worker to complete the work thus getting it done in 7 hours