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Basile [38]
3 years ago
10

In the diagram below, line segment bc is an altitude of triangle abd. What is the length of line age meant cd? If necessary, rou

nd your answer to two decimal places, PLEASE HELP ME IM REALLY STUCK

Mathematics
1 answer:
Naddika [18.5K]3 years ago
5 0
Check the picture below.

running a perpendicular line like so from the right-angle, makes three similar triangles, the large, containing the smaller ones, and a medium and a small one.  Now, using proportions, you can just  use there, the medium and smalle to get "x".

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While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass
rjkz [21]

Answer:

A- 129.6 N

Step-by-step explanation:

Since the centrifugal force on the passenger, F varies jointly as the mass of the passenger, m and the square of the speed of the car,v. In mathematical notation, F ∝ mv² ⇒ F = kmv².

If F₁ = 226.8 Newtons, m₁ = 70 kilograms and speed v₁ = 60 kilometers per hour. From F= kmv², k = F/mv² the proportionality constant. If F₂ is the force on the passenger of mass m₂ = 90 kilograms and speed of car ,v₂ = 40 kilometers per hour. Then,

k = \frac{F_{1} }{m_{1}v_{1} ^{2}  } = \frac{F_{2} }{m_{2}v_{2} ^{2}  }\\ F_{2} = F_{1} \frac{m_{2} }{m_{1} }(\frac{v_{2} }{v_{1} }) ^{2}    \\F_{2} =  226.8\frac{90 }{70 }(\frac{40 }{60 }) ^{2}\\F_{2} = 129.6 newtons

3 0
3 years ago
You just got a free ticket for a boat ride, and you can bring along 3 friends! Unfortunately, you have 5 friends
Makovka662 [10]

Answer:

ill split them all into halves, so at least half of everyone can come along

Step-by-step explanation:

4 0
3 years ago
When calculating a loan’s effective rate, if the interest compounds every two months, what value of n do you plug into your equa
klemol [59]

<span>If the interest is comounded every 2 months then you will apply the interest 6 times in a year. So the value of n that you will plug into your equation is 6 because there 12 months a year then it wll be compounded every 2 months</span>

5 0
3 years ago
Read 2 more answers
In triangle MPQ points N and R are located on sides MP and QP with NR drawn. which set of measurements below would justify that
NNADVOKAT [17]
The answer is number 1. Because 12/10 =20/18 is a true statement. None of the others are true
6 0
2 years ago
A 20° sector in a circle has an area of 684 yd2.
olga_2 [115]
20 x 18 = 360

---------

18 x 684 yards squared = 12,312 yards squared

---------

Answer:

12,312 yards squared
8 0
3 years ago
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