4 years ago

1. 5r.+ 9x + 13 = -57

Mathematics

1 answer:

otez555 [7]4 years ago

6 0

Answer:

2>3

Step-by-step explanation:

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Decrease 42 by 15%. it's for maths and it's decreasing percenages

sleet_krkn [62]

OK so 1st you need to do 42 times .15 = 6.3 then you need to subtract that number from 42 which is 35.7 so that is your answer! I hope it helps :)

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3 years ago

6. Gloves R’ Us was having a great day at their warehouse. Before lunch the store had sold a total of 82 pairs of gloves, and sa

GalinKa [24]

Answer:

Step-by-step explanation:

c is the number of cloth gloves sold.

r is the number of cloth gloves sold.

c + r =127

c = 127 - r

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6.95(127 - r) + 8.95r = 1070.65

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3 years ago

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3 years ago

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Stolb23 [73]

Answer:

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Step-by-step explanation:

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4 years ago

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The speed of a tidal wave in meters/second is given by the square root of the product of the acceleration due to gravity on Eart

fredd [130]

Answer:

70 m/s

Step-by-step explanation:

"The speed of a tidal wave in meters/second is given by the square root of the product of the acceleration due to gravity on Earth (9.8 meters/second2) and the depth of the ocean in meters":

The sentence above can be interpreted into the equation shown below (letting speed of tidal wave be "s", acceleration due to gravity be "g", and depth be "d"):

$s=\sqrt{g*d}$

Given d = 500 and g = 9.8, we find speed (s):

$s=\sqrt{g*d} \\s=\sqrt{(9.8)*(500)} \\s=\sqrt{4900}\\ s=70$

Hence, the speed is 70 meters per second.

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3 years ago