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____ [38]
3 years ago
7

If the simple interest on ​$2,000 for 8 years is ​$​800, then what is the interest​ rate?

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0
The answer would be the 18.75 per year
Hope I helped
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What is the factorization of this polynomial? 9x^2-0x-4
Harman [31]
9x²-0x-4
=9x²-4
=(3x-2)(3x+2) is the factor form of 9x²-0x-4
Solve for x:
3x-2=0
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3x-2+2=0+2
3x=2
Divided 3 to each side
3x/3=2/3
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Or
3x+2=0
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Divided 3 to each side
3x/3=-2/3
x=-2/3. Hope it help!
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if 2 more students took the math test and both made a score of , what would the picture graph look like?
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Answer:

No. The new height of the water is less than the height of the glass(6.33 cm<10 cm)

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#Volume of the golf ball:

V=\frac{4}{3}\pi r^3\\\\=\frac{4}{3}\pi \times 4^3\\\\\approx 268.08\ cm^3

#The volume of the water in the glass:

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We then equate the two volumes to the glass' volume to determine the new height of the water:

V=\pi r^2h\\\\(206.08+50.27)=\pi r^2 h\\\\h=318.35/(\pi \times 4^2)\\\\=6.33\ cm

Hence, the glass will not overflow since the new height of the water is less than the height of the glass(6.33 cm<10cm).

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