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BigorU [14]
3 years ago
13

Does (-3, 3) make the equation y = -3x true?

Mathematics
1 answer:
liq [111]3 years ago
6 0
<h3>Answer: No (-3,3) is not a solution to y = -3x</h3>

========================================================

Explanation:

The point (-3,3) means x = -3 and y = 3 pair up together

So plugging in x = -3 should lead to y = 3 if (-3,3) was a solution

Plug x = -3 into y = -3x to find that

y = -3x

y = -3*(-3)

y = 9

So x = -3 and y = 9 should be the actual pair (not x = -3 and y = 3)

---------------

Put another way

y = -3x

3 = -3(-3) ... replace x with -3 and y with 3

3 = 9 ... which is false

This shows (x,y) = (-3,3) is not a solution

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Step-by-step explanation:

Formula for amount with simple interest = P(1+rt)

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P= principal value , r= rate of interest , t = time.

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=2000(1+r)^5

When both have same worth then

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taking log on both sides , we get

5\ln (1+r)=\ln 1.0625\\\\\\ 5\ln (1+r)=0.0606246\\\\\\ \ln (1+r)=0.012125\\\\\\ 1+r=e^{0.005266}\\\\\\ 1+r=1.0122\\\\ r=0.0122\\\\ \\ r=1.22\%

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3 years ago
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Alex_Xolod [135]

Answer:

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Step-by-step explanation:

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