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Ainat [17]
3 years ago
14

18. answer the question based on the information below ( im not sure if im right)​

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0

Answer:

You are right!

Step-by-step explanation:

I'll go through why the others aren't right.

B:  BD/XY do not correspond to the similar sides of the two.  BC would need to be over WX and XY would need to be under CD

C:  The second proportion is reversed, you need to keep the shape that has its side in the numerator in the numerator and the one in the denominator int he denominator.

D:  Same as B.  You don't need to actually answer me, but maybe you can tell which sides correspond to those written.

Also let me know if you need any further explanation.

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What equation passes through (6,3) and is parrallel to y=3x+5​
marshall27 [118]

Answer:

y=3x+25

Step-by-step explanation:

For the equation y=3x+5, the slope is 3. Since the line will be parallel to it then this is the slope of the new line as well. Use the point-slope form to write the equation, then simplify and convert into the slope intercept form.

(y-13)=3(x--4)

y-13=3x+12

y=3x+25

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Raju bought a book for Rs 35.65. He gave Rs 50 to the shopkeeper. How much
bearhunter [10]
50-35.65
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4 years ago
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6 0
3 years ago
For the differential equation dy/dt=ky, k is a constant, y(0)=24, and y(1)=18. What is the value of k?
Gre4nikov [31]

The equation is separable, so solving it is trivial:

\dfrac{\mathrm dy}{\mathrm dt}=ky\implies\dfrac{\mathrm dy}y=k\,\mathrm dt

Integrating both sides gives

\ln|y|=kt+C\implies y=e^{kt+C}=Ce^{kt}

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24=C

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so the answer is E.

8 0
4 years ago
Read 2 more answers
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