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mart [117]
3 years ago
14

Please answer this question now

Mathematics
1 answer:
kotegsom [21]3 years ago
3 0

Answer:

The midpoint is (8,9.5)

Step-by-step explanation:

The midpoint is found by averaging the x coordinates and the y coordinates

x = (x1+x2)/2     y = (y1+y2)/2

x = (13+3)/2 = 16/2 = 8

y = (5+14)/2 = 19/2 = 9.5

The midpoint is (8,9.5)

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An aircraft flying at an average speed of 770 km/h takes 15 hours to complete a journey. Find the time taken for the aircraft to
Hoochie [10]
We can solve it two ways, we´ll do it via physics:
We know that:
d=vt
d=770km/h*15h
d=11550km
Now at 660km/h:
t=d/v
t=11550km/660km/h
t=17,5h
Math way:
770km/h→15h
660km/h→x
So:
(770*15)/660=x
x=17,5h
8 0
3 years ago
Read 2 more answers
Concrete pour requires 9.83 cubic yards of cement. How many one cubic foot sacks must be order?
OverLord2011 [107]

Answer:

  266

Step-by-step explanation:

There are (3 ft)^3 = 27 ft^3 in 1 cubic yard. Then 9.83 cubic yards will be ...

  (9.83 yd^3)(27 ft^3/yd^3) = 265.41 ft^3

265 sacks will not be enough. 266 sacks must be ordered.

5 0
2 years ago
Evaluate b2 for b = -4.
trapecia [35]
B2 = -4 x 2
-4 x 2 = -8
3 0
3 years ago
A bracelet is made by stringing together four beads. Each bead is either red or green. How many different color patterns are
JulijaS [17]

Answer:

3 or 5, depends on the bracelet can be fully green or red. If you have to have both colours then it's 3.

Step-by-step explanation:

RRRG

RRGG

RGGG

GGGG?

RRRR?

7 0
2 years ago
Read 2 more answers
Please explain.
LekaFEV [45]

Answer:

25% probability

Step-by-step explanation:

If there are three questions with four possible choices, there are twelve total answer choices. if you only get one answer as the correct one in each question then there's three out of the twelve answer choices that are correct in total. Basically, 3/12 = .25 = 25%. that's for total.

Also, with each question having 4 answers with 1 correct, 1/4 = .25 = 25% as well.

I hope this helped!

3 0
3 years ago
Read 2 more answers
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