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Likurg_2 [28]
2 years ago
13

How do you find the distance around a triangle that had sides measuring 2-1/8 feet, 3-1/2 feet, and 2-1/2 feet?

Mathematics
1 answer:
tatuchka [14]2 years ago
6 0
1. Turn the fractions in to decimals
2.Add them up

2.13 + 3.5 + 2.5 = 8.13ft
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if a car travelling 60 mph can stop in 200ft, how many feet will it take the same car to stop when it is travelling 36 mph?
bezimeni [28]
It will take 120 feet for the 36mph car to stop
3 0
2 years ago
1. Look for a pattern in the first three equations. Then, fill in the missing numbers in the rest of the
Alla [95]

Answer:

1=1 times 2/2 1 + 2=2 times 3/2 1 +2+3=3 times 4/2 1+2+3+4=4 times 5/2 1+2+3+4+5=5 times 6/2

4 0
2 years ago
rock is thrown upward with a velocity of 27 meters per second from the top of a 23 meter high cliff and it misses the cliff on t
ahrayia [7]

the rock will be at 11 meters from the ground level after 5.92 seconds

Step-by-step explanation:

The motion of the rock is a free-fall motion, since the rock is acted upon the force of gravity only. Therefore, it is a uniformly accelerated motion, so its position at time t is given by the equation:

y=h+ut+\frac{1}{2}at^2

where

h = 23 m is the initial height

u = 27 m/s is the initial velocity, upward

a=g=-9.8 m/s^2 is the acceleration of gravity, downward

t is the time

We want to find the time t at which the position of the rock is

y = 11 m

Substituting and re-arranging the equation, we find

11=23+27t-4.9t^2\\4.9t^2-27t-12=0

This is a second-order equation, which has solutions:

t=\frac{27\pm \sqrt{(-27)^2-4(4.9)(-12)}}{2(4.9)}=\frac{27\pm \sqrt{964.2}}{9.8}

So

t_1 = -0.41 s

t_2=5.92 s

The first solution is negative so we neglect it: therefore, the rock will be at 11 meters from the ground level after 5.92 seconds.

Learn more about free fall:

brainly.com/question/1748290

brainly.com/question/11042118

brainly.com/question/2455974

brainly.com/question/2607086

#LearnwithBrainly

8 0
3 years ago
Boxes that are 12 inches tall are being stacked next toboxes that are 18 inches tall. What is the shortest height in which the t
ycow [4]
36 inches because 12,24,36 and 18,36, 36=36
6 0
3 years ago
Select all that apply.
kirill115 [55]
It would be 5*5*5  which is 125 :D
3 0
3 years ago
Read 2 more answers
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