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Leokris [45]
3 years ago
6

Peanuts sell for $3 per pound. Cashews sell for $6 per pound. How many pounds of cashews should be mixed with 12 pounds of peanu

ts to obtain a mixture that has a value of $4.20 per pound?
Mathematics
1 answer:
Phantasy [73]3 years ago
6 0

Answer:

84

Step-by-step explanation:

12*3+6x=4.20(12+x)

36+6x=50.4+4.2x

6x-4.2x=50.4-36

1.8x=14.4

x=14.4/1.8

x=8 pounds of cashews is used.

Proof:

12*3+6*8=4.2(12+8)

36+48=4.2*20

84=84

(not mine)

from algebra.com

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3 years ago
State the trigonometric substitution you would use to find the indefinite integral. Do not integrate. (25 + x2)−6 dx x(θ) =
Thepotemich [5.8K]

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x(θ) = 5 tan θ

Step-by-step explanation:

Given that:

\int (25+x^2)^{-6} \ dx

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6 0
4 years ago
In Rectangle ABCD, m
storchak [24]

Answer:

m∠ACD = 24°

Step-by-step explanation:

Measure of the interior angles of a polygon = \frac{(n - 2)\times 180}{n}

Therefore, measure of the interior angles of a rectangle = \frac{(4 - 2)\times 180}{4}

                                                                                              = \frac{360}{4}

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3 years ago
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