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timama [110]
3 years ago
7

Y=x+8 y=9x+72 substitution

Mathematics
1 answer:
irina [24]3 years ago
7 0
(Y,X) = (72,8)
I think this is the right answer it has been a while since I had math sorry. Hope this helps
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Formula for profit percentage?​
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Answer:

For instance, say you pay $8,000 for goods and sell them for $10,000. Your gross profit is $2,000. Divide this figure by the total revenue to get your gross profit margin: 0.2. Multiply this figure by 100 to get your gross profit margin percentage: 20 percent.

Step-by-step explanation:

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of the oranges 48 in a carton, one-third of them were rotten. ben and david took the remaining good oranges. if ben took 8 more
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Now, Let the number of Oranges taken by David = x
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Answer:.

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PLEASE ANSWER QUICKLY :) A rocket is launched vertically from the ground with an initial velocity of 64 ft/sec. Write a quadrati
DedPeter [7]

Answer:

The equation for the height, in ft, is:

h(t)=-16.085\cdot t^2+64\cdot t

Step-by-step explanation:

The height can be expressed as an integration of the speed:

h(t)-h(0)=h(t)=\int_{0}^t v(t)\,dt

Also, the speed can be expressed as an integration of the acceleration:

v(t)-v(0)=v(t)-64=\int_0^ta(t)\,dt=-g\cdot t=-32.17t\\\\v(t)=64-32.17t \;[ft/s]

Then, if we go to the height equation, we have:

h(t)=\int_{0}^t v(t)\,dt=64t-32.17\cdot \dfrac{t^2}{2}=64t-16.085t^2

The equation for the height is:

h(t)=-16.085\cdot t^2+64\cdot t

7 0
3 years ago
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