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Aleksandr [31]
3 years ago
10

why does a truck take longer to accelerate to 100km/hr when its pulling a 1,000 kg trailer than when it isn't

Mathematics
1 answer:
Bingel [31]3 years ago
7 0
Because it has more mass so with less mass it accelerates faster. That is newtons 2nd law of motion.
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William earns $13 an hour working at a movie theater last week he worked h hours at the concession stand and three times as many
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You have 250,000 In an IRA at the time you retire.You have the option of investing this money in two funds.Fund A pays 1.2% annu
krok68 [10]

Let x be the amount of money, you fund in Fund A and y be the amount of mone yyou fund in Fund B.

1. You have 250,000 In an IRA at the time you retire and want to invest this money into Funds A and B, then

x+y=250,000.

2. Fund A pays 1.2% (as a decimal 1.2% is 0.012) annually, then x\cdot 0.012=0.012x is annual interest income in Fund A.

Fund B pays 6.2% (as a decimal 6.2% is 0.062) annually, then y\cdot 0.062=0.062y is annual interest income in Fund B.

Since Fund A and Fund B produce an annual interest income of $8,000, then

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3. Solve the system of equations:

\left\{\begin{array}{l}x+y=250,000\\0.012x+0.062y=8,000.\end{array}\right.

Express x from first equation x=250,000-y and substitute it into the second equation

0.012(250,000-y)+0.062y=8,000.

Multiply this equation by 1000:

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Answer: you have to fund $150,000 in Fund A and $100,000 in Fund B.


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Answer: from up to down 9, from side to side 12

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Answer 29 to 33......
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2y=x
30:174.24
31:25
32:2
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