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Jet001 [13]
3 years ago
9

Find each unit price. which is the better buy explain. electrical wire 1.49 for 3 ft $.69 for 18 n

Mathematics
1 answer:
matrenka [14]3 years ago
7 0
In order to get an accuarte answer, make sure to divide 1.49 by 3. You'll end up with .50 (rounded). To find out the second unit price make sure to divide .69 by 18. You should end up with .04 (once again, rounded). It is better to buy the second set because it is about .46 cheaper than the first. Hope this helps!
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Which of these are factors of this polynomial?
amm1812
Answer: -3(x^2 + 1)(x-5)

Explanation: -3x^3 + 15x+3x -15
Factor by grouping: -3x^2(x-5) +3(x-5)
Combine: (-3x^2 +3)(x-5)
Factor by GCF: -3(x^2 +1)(x-5)
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2 years ago
A shopper is standing on level ground 800 feet from the base of a 250 foot tall department store the shopper looks up and sees a
Aleks04 [339]

Answer:

The elevation to the top of the building from the point on the ground where the shopper is standing is = 17.35°

Step-by-step explanation:

From the ΔABC

AB = height of the building = 250 feet

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\tan \theta = \frac{AB}{BC}

\tan \theta = \frac{250}{800}

\tan \theta = 0.3125

\theta = 17.35°

Therefore the elevation to the top of the building from the point on the ground where the shopper is standing is = 17.35°

8 0
3 years ago
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Rzqust [24]

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6 0
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Read 2 more answers
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schepotkina [342]

Answer:

169π

Step-by-step explanation:

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6 0
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