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4 years ago

12

Choose the linear inequality in standard form for this situation: The Duluth High science department can spend no more than $270

0 on textbooks this year. The department needs to buy both Biology text books, which cost $57 each, and Chemistry textbooks, which cost $72 each.

1 answer:

spin [16.1K]4 years ago

8 0

Answer:

.

Step-by-step explanation:

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Stells [14]

Answer:

$\boxed{x = 3}$

Step-by-step explanation:

${5}^{2} = {4}^{2} + {x}^{2} \\ {x}^{2} = {5}^{2} - {4}^{2} \\ {x}^{2} = 9 \\ x = \sqrt{9} \\ x = 3$

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The sum of two numbers is - 4. If one number is subtracted from the other, their difference is - 12. Find the numbers.

Sergeu [11.5K]

Answer:

x = 8 and y = 4

Step-by-step explanation:

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3 years ago

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dmitriy555 [2]

Answer:

c

Step-by-step explanation:

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Find the exact values of the six trigonometric functions for angle in standard position if a point with the coordinates (-6, 6)

ira [324]

Answer:

sin = √2/2, cos = -√2/2, tan = cot = -1

csc = √2, sec = -√2

Step-by-step explanation:

Angle runs around unit circle (where x^2+y^2=1)

from (1,0) to (-√2/2,√2/2)

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4 years ago