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serious [3.7K]
3 years ago
13

A men earns $62 per week. how many will he earn if he works a full year 52weeks

Mathematics
2 answers:
Sever21 [200]3 years ago
5 0
62$ (earns of 1 week) multiplied with 52 weeks (how often he earns the 62$) is 3224
NARA [144]3 years ago
5 0
$3224 he will earn......
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Answer:

2.0 seconds

Step-by-step explanation:

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To find the time, in seconds, that the balloons collided at the highest point, <u>substitute</u> one equation into the other equation and rearrange to <u>equal zero</u>:

\begin{aligned}-6x^2+23x+5 & = -7x^2+26x+3\\-6x^2+23x+5+7x^2 & = -7x^2+26x+3+7x^2\\x^2+23x+5 & = 26x+3\\x^2+23x+5-26x & = 26x+3-26x\\x^2-3x+5& = 3\\x^2-3x+5-3& = 3-3\\x^2-3x+2& = 0\end{aligned}

<u>Factor</u> the quadratic:

\begin{aligned}x^2-3x+2 & = 0\\x^2-2x-x+2 & = 0\\x(x-2)-1(x-2) & = 0\\(x-1)(x-2) & = 0\\\end{aligned}

Apply the <u>zero-product property</u> to solve for x:

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Therefore, the balloons collided at 1 second and 2 seconds.  

To find at which time the highest point of collision occured, substitute both values of x into one of the functions:

f(1)=-6(1)^2 +23(1)+5=22

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Therefore, the time, in seconds, that the balloons collided at the highest point is 2.0 seconds.

Learn more about quadratic systems of equations here:

brainly.com/question/27930827

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The second problem follows the same steps of combining like terms and isolating the variable. Here, you'll have to combine 2 like terms:
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