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Anika [276]
3 years ago
10

A metallurgist needs to make 21 mg of an alloy containing 85% nickel. She is going to melt that 65% nickel with pure nickel. How

much of each should she use?
Mathematics
1 answer:
devlian [24]3 years ago
7 0
99 because if u divided it
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Rom4ik [11]

Answer:

You would need 9/4 or 2 1/4 gallons of paint

Step-by-step explanation:

You would need 2 1/4 gallon of paint because if 1/3 of the room takes 1/4 paint, then 3/4 would finish a room, multiply the three by three for three rooms and there you have 9/4 or 2 1/4 gallons

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3 years ago
Find the cube root of -8.
Lina20 [59]

Answer:

The cube root of -8 is -2

Step-by-step explanation:

Factor the numbers 8=2^3

-∛2³

Apply radical rule;

∛2³=2

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5 0
3 years ago
Parallel lines m and n are cut by a transversal. At the intersection of line m with the transversal, the uppercase left angle is
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3 years ago
The figure shows a square, a regular pentagon and a regular hexagon put together. What is the measure of ∠BAC
Elan Coil [88]

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One angle of a regular hexagon = 120°.

One angle of a square = 90°

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8 0
2 years ago
A large adult elephant weights 24,000 pounds. A baby elephant, on the other hand, weights only 260 pounds. How much more does th
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