2 years ago

HELP ASAP!!!!!!

Mathematics

1 answer:

Kay [80]2 years ago

4 0

is that upside down?

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Choose the ratios for sin A and cos A.

Irina18 [472]

Answer: D

Step-by-step explanation: By using SOH for sin A, 'S' being sin, 'O' being opposite side of angle A and 'H' being the hypotenuse which is the longest part of the triangle you would find that 15 is opposite from Sin A and 17 the hypotenuse, 15/17.

For cos A you would use CAH, C= cos, A which is the adjacent of the triangle located next to angel A which is 8, and H= hypotenuse (also note that the hypotenuse never changes even if the angle may be different) CAH would be cos A = 8/17

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2 years ago

if the 300 inspected light bulbs represent 20% of an hour's total production of light bulbs, how many light bulbs are produced i

KIM [24]

Hi there!
So to get this we just need to multiply 300 by 5 because it is 1/5 of the hour work. 300 x 5 = 1500 light bulbs. Hope this helps!

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3 years ago

Write two expressions that show that decreasing a quantity by 10% is the same as multiplying that quantity by 0.9

Contact [7]

Step-by-step explanation:

x -0.1x = x(1-0.1) = 0.9x

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