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Ganezh [65]
3 years ago
8

What is number 8.this is multistep inequalities with grouping symbols.

Mathematics
1 answer:
suter [353]3 years ago
8 0
(4n+7-5n)/2≥11
-n+7≥22
-n≥15 or n≤-15.

Hope you get it.
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A street light is 7.5 feet tall casts a 3-foot-long shadow A nearby flagpole casts a 16.5 foot long shadow what is the height of
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h = 41.25 foot

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\dfrac{\text{height of street light}}{\text{height of shadow of street light}}=\dfrac{\text{height of flagpole}}{\text{height of shadow of the flag pole}}\\\\\dfrac{7.5}{3}=\dfrac{h}{16.5}\\\\h=\dfrac{7.5\times 16.5}{3}\\\\h=41.25\ foot

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