$t = k \frac{1}{s} \\ 2 = k. \frac{1}{60} \\ k = 120 \\ k \: \: is \: constant \: of \: variation \\ relationship \: is \\ t = \frac{120}{s} . \\ when \: s \: = 90 \\ t = \frac{120}{90} \\ t = \frac{4}{3} \\ when \: t = 2 \frac{1}{2} \\ s = \frac{120}{2 \frac{1}{2} } \\ s = 48$

4 0

3 years ago

Find the midpoint of the line segment between the points (11, -5) and (-3, -7)

alexdok [17]

Answer:

(4, -6)

Step-by-step explanation:

(x1+x2)/2 + (y1+y2)/2 = midpoint

(11+-3)/2 = 8/2 = 4. x = 4

(-5 + -7)/2 = -12/2. y = -6

4, -6 is the midpoint

give brainliest please! hope this helps :)

4 0

2 years ago

Help!!!! please answer!!!

maw [93]

Answer:

116

Step-by-step explanation:

3 to the power of 4 is 81. 7x5 =35+81=116

6 0

3 years ago