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kondor19780726 [428]
3 years ago
5

$5,000 is invested at 3% interest.

Mathematics
2 answers:
umka21 [38]3 years ago
7 0

Answer:

B

Step-by-step explanation:

If the is is a fixed interest for a year, let x be the amount invested at 5%. an expression can be written as:

5000\cdot{0.03}+x\cdot{0.05}=275

0.05\cdot{x}=275-150

x=125/0.05=2500

The amount that must be invested is $2500. The answer is B.

adell [148]3 years ago
4 0
5000*0.03+0.05x=275
Solve for x
X=2500
The answer is b
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if the breadth of rectangle in one third of its length and perimeter is 80 cm find length and breadth of rectangle​
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Answer:

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Step-by-step explanation:

Length = x cm

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3 years ago
Line m has the equation y = 1/2x - 4
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Answer:

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Step-by-step explanation:

We know that the slope-intercept of line equation is  

y=mx+b

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Therefore,

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solving for y to writing the equation in the slope-intercept form and determining the slope

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Divide both sides by -2

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comparing ith the slope-intercept form of the line equation

Thus, the slope of the line 'n' will be: 1/2

  • As the slopes of both lines 'm' and 'n' are the same.

Therefore, we conclude that the equation x-2y=4 represents the equation of the line 'n' if lines m and n are parallel to each other.

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