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Fynjy0 [20]
2 years ago
10

A wise man once said, “ 500 reduced by 4 times my age is 268.” What is his age?

Mathematics
1 answer:
Alla [95]2 years ago
8 0

Answer:

58 years old

Step-by-step explanation:

the equation would be 500-4x=268 with x being his age.

subtract both sides by 500 to get -4x=-232

then divide both sides by -4 to get x=58

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A 1050-kg car travels on the freeway at a speed of 33 m/s. What is the cars kinetic energy ?
xenn [34]

9514 1404 393

Answer:

  571,725 J

Step-by-step explanation:

KE = 1/2mv²

KE = 1/2(1050 kg)(33 m/s)² = 571,725 J

5 0
2 years ago
given the equations 9x + (3)/(4)y + 6 and 2x + (1)/(2)y=9 by what factor would you multiply the sencond equation to eliminate y
Paul [167]

Answer:

  -3/2

Step-by-step explanation:

If the first equation is 9x +3/4y = 6, then the solution would look like this:

  \left(9x+\dfrac{3}{4}y\right)-\dfrac{3}{2}\left(2x+\dfrac{1}{2}y\right)=(6)-\dfrac{3}{2}(9)\\\\6x=-\dfrac{15}{2}\\\\x=-\dfrac{15}{12}=-\dfrac{5}{4}\\\\2\left(-\dfrac{5}{4}\right)+\dfrac{1}{2}y=9\ \longrightarrow\ y=2\left(9+\dfrac{5}{2}\right)=23

An appropriate multiplier is -3/2.

4 0
3 years ago
A plumber chargers $50 for a service call plus $75 per hour. The total of these costs (in dollars) is a function C(t) of the tim
STatiana [176]
So cost=50+75t
so 200=50+75t
subtract 50 from both sides
150=75t
divide both sides by 75
2=t
$200=2 hours

50+75t=cost
300=50+75t
subtract 50 from both sides
250=75t
divide both sides by 75
10/3=t=200 mins=3hours 20 mins=$300
4 0
2 years ago
Read 2 more answers
The total cost of n shirts is $15. The shirts are priced at a constant rate of $3 each.
Flauer [41]

Answer:

3*x=15

Step-by-step explanation:

i think-

5 0
2 years ago
Read 2 more answers
suppose that a certain basketball athlete earned $23,000,000 to play 80 games, each last 48 min. how much did the athlete earn p
Anit [1.1K]
He earns 23 000 000 per 80 games for 48min
Per game he earns
23000000 \div 8 0 = 782500
If he earns 782 500 per game he earns 5 989,5833 per minute

782500 \div 48 = 5989.5833
If he played 2/3 of the time he played 32min which means he earned...

782500 \div 32 = 24453.125
So he trained 35hours for a 48min match
Together that is 35.8hours

But I dont think this really matters here you just have to multiply 24453.125 with 60

And you get his hourly salary which is 1 467 187.5

5 0
2 years ago
Read 2 more answers
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