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rewona [7]
3 years ago
6

A man runs 11 miles, turns and walks 9 miles, turns again and runs 6 miles returning to his starting point. What is the area of

this triangle formed by his path?​
Mathematics
1 answer:
Alja [10]3 years ago
8 0
What formula are you using?
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Find the mean:<br> 28, 18, 19, 18, 17<br> Heh help
kap26 [50]

Answer:

Mean = 20

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A boy is playing a ball in a garden surrounded by a wall 2.5 m high and kicks the ball vertically up from a height of 0.4 m with
USPshnik [31]

Answer:

2.54 seconds

Step-by-step explanation:

We can use the following equation to model the vertical position of the ball:

S = So + Vo*t + a*t^2/2

Where S is the final position, So is the inicial position, Vo is the inicial speed, a is the acceleration and t is the time.

Then, using S = 2.5, So = 0.4, Vo = 14 and a = -9.8 m/s2, we have that:

2.5 = 0.4 + 14*t - 4.9t^2

4.9t^2 - 14t + 2.1 = 0

Solving this quadratic equation, we have that t1 = 2.6983  s and t2 = 0.1588 s.

Between these times, the ball will be higher than 2.5 m, so the amount of time the ball will be higher than 2.5 m is:

t1 - t2 = 2.6983  - 0.1588 = 2.54 seconds

6 0
3 years ago
Please help need answer
Len [333]

Answer:

B

Step-by-step explanation:

When there is only rotation and reflection, there is no change in size. A change in size occurs when there is dilation.

7 0
3 years ago
Different problem same topic please help
BlackZzzverrR [31]

Answer:

see below

Step-by-step explanation:

y = 5x - 31

y = mx + b

where m = slope

slope of a parallel line = 5

slope of a perpendicular line = - 1/5

7 0
2 years ago
60 is 30% of what number?
Phantasy [73]
Percent means parts out of 100
30%=30/100=3/10

'of' means multiply

60 is 30% of what translates to
60=3/10 times what
multiply both sides by 10/3
600/3=what
200=what
the number is 200
7 0
3 years ago
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