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Stells [14]
3 years ago
10

SALES Cars and trucks are the most popular vehicles. Last year, the number of cars sold was 39,000 more than three times the num

ber of trucks sold. There were 216,000 cars sold last year. Write an equation that can be used to find the number of trucks, t, sold last year.
​
Mathematics
1 answer:
Talja [164]3 years ago
8 0

Given :

Miki has 104 nickels and 88 dimes. She wants to divide her coins into groups where each group has the same number of nickels and the same number of dimes.

There were 216,000 cars sold last year.

To Find :

Equation that can be used to find the number of trucks, t, sold last year.

Solution :

Let , number of truck sold is t and number of car sold is c.

It is given that the number of cars sold was 39,000 more than three times the number of trucks sold.

So ,

c=3t+39000\\\\t=\dfrac{c-39000}{3}

Putting value of c = 216000 in above equation , we get :

t=\dfrac{c-39000}{3}\\\\t=\dfrac{216000-39000}{3}\\\\t=59000

Hence , this is the required solution .

​

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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]

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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

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

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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}

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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

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#LearnwithBrainly

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3 years ago
What is one light year in seconds need it to written out in the conversion format
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In one year there are 365 days of 24 hours. Each hour has 60 minutes and each minute is 60 seconds long. So, 60s/min x 60 min/hr x 24hr/day x 365 days equals 31,536,000s.


Hope this helps you with your answer. If it is incorrect, then I am sorry.

8 0
3 years ago
Read 2 more answers
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