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seropon [69]
3 years ago
7

Please help me im almost done!​

Mathematics
1 answer:
kumpel [21]3 years ago
8 0

Answer:

if you divide both sides of -5x > 0 you get z > <em>0. </em>This is incorrect because if you choose a value from the possible solutions such as z=6 and substitute it into the original equation you get <em>-30</em> > 0, which is <em>not true</em>

I put the answers in bold

hope this helps!

Step-by-step explanation:

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Take the points and plug them into the inequality in their place. (5(x),3(y))

3 < 9(5) + 8

3 < 45 + 8

3 < 53

or

3 is less than 53

Is this statement correct?

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Find compound interest on rs 5000 at rate of 10% p.a compounded semi-annually for 1 1/2 years
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Now plug in: A=5000(1+ \frac{0.10}{2}) ^{1.5*2} which becomes A=5000(1+ \frac{0.10}{2}) ^{3}. Plug this into your calculator. 

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Write an equation of a line that passes through point (5, 3) and is perpendicular to the line 2y = 5x – 8.
anastassius [24]

Answer:

y= -2/5+5

Step-by-step explanation:

A line must always be written in the form y= and the line given is not. Dividing both sides of the equation by 2 you get y=5/2x-4. This is the equation of the line given.

Perpendicular line have gradients that, when they are multiplied, they are equal to -1

The line given multiplied by the gradient of the line(the one required to find)= - 1. That is 5/2×line= -1.

Dividing both sides of the equation by 5/2 you'll get - 2/5. This is the gradient of the line required.

Using the general formula y=mx+c substitute the gradient into the equation. You'll get something like this y= -2/5x+c.

Substitute the given point into the equation. You'll get something like this 3= -2/5(5)+c.

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