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lianna [129]
3 years ago
10

In the activity graph below, where time is measured in hours, what is the minimum time to finish the project?

Mathematics
1 answer:
Andrew [12]3 years ago
7 0
I believe it is D.
On the very bottom if you just go straight across then it would be 7+3+8 which is 18.
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Help on this question explain my answer please!
Tresset [83]
0.12 x 70 = 8.4

12% of 70 is 8.4
5 0
3 years ago
Apolline is mowing lawns for a summer job. For every mowing job, she charges an initial fee plus a constant fee for each hour of
OLEGan [10]

Answer:

Base Fee = $7

Extra charges = $7

Step-by-step explanation:

Represent the base charge with x and the additiional charges with y.

For the 5 hours job, we have:

42 = x + 5y

For the 3 hour job

28 = x + 3y

Solving for x and y;

42 = x + 5y

28 = x + 3y

Subtract the second equation from the first

42 - 28 = x - x + 5y - 3y

14 = 2y

Solve for y

y = 14/2

y = 7

Substitute 7 for y n the first equation

42 = x + 5y

42 = x + 5 * 7

42 = x + 35

x = 42 - 35

x = 7

4 0
3 years ago
1. Which function families can be described by the characteristic
BartSMP [9]
Is a supposed to be the answer? Is there any other options to choose from the no given list?
3 0
3 years ago
PLEASE SOLVE AND CHECK. SHOW COMPLETE SOLUTION
vivado [14]

Answer:

t \leq 25

Step-by-step explanation:

(\sqrt{2t+1}) ^{2} + (\sqrt{2t-1}) ^{2} \leq  10^{2}

=> 2t +1 + 2t -1 \leq 100

=> 4t \leq 100

=> t \leq 100/4

=> t \leq 25

3 0
3 years ago
Are the points A,M, and I coplanar? yes or no?
lys-0071 [83]

Answer:

Yes

Step-by-step explanation:

Three points are coplanar if they lie on the same plane.

Points A and M lie on the plane \tau, on the line l. Point I lies on the line which intersects the plane  \tau at point V.

Since lines l and IV intersect, there is a plane at which these two lines lie. Name this plane \alpha.

Thus, points A, M and I lie on the plane \alpha, so they are coplanar.

5 0
3 years ago
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