3 years ago

NO LINKS PLEASE I ACTUALLY NEED HELP THEY'RE 2 PARTS

Mathematics

1 answer:

eimsori [14]3 years ago

3 0

I’m on the same question

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Sin squared x equals 3 cos squared x

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Sin squared x equals 3 cos squared x

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2 years ago

Evaluate 2-(-4) + (-g) where y= 7.

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Answer:

Step-by-step explanation:

2 - (-4) + (-y)

Substitute y = 7 to the expression:

2 - (-4) + (-7) = 2 + 4 - 7 = 6 - 7 = -1

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2 years ago

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 55 miles per

SSSSS [86.1K]

Answer:

95+75=170 mph=speed at which the two trains are moving apart

travel time=distance/speed=374/170=2.2

How long will it take for the two trains to be 374 miles apart? 2.2 hrs

Step-by-step explanation:

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3 years ago

the temper ire of chicken soup is 192.7 F as it cools the temperature of the soup decreases 2.3 what is the temperature of the s

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The temperature of soup after 25 minutes is $135.2^{\circ}\ F$

<em><u>Solution:</u></em>

The temperature of chicken soup is 192.7°F

As it cools, the temperature of the soup decreases 2.3°F per minute

Let the initial temperature be $T_0$

Let "t" be the time for rate of decrease

Set up an equation

Temperature = Initial temperature - decrease in temperature

Decrease in temperature = rate of decrease x time

Therefore,

$T = T_0-2.3t$

<em><u>To find the temperature of soup after 25 minutes, substitute t = 25</u></em>

$T = 192.7 - 2.3 (25)\\\\T = 192.7 -57.5\\\\T = 135.2$

Thus the temperature of soup after 25 minutes is $135.2^{\circ}\ F$

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2 years ago

A grocery store offers a 10% discount on your entire purchase when you spend more than $50. You have $117 to spend on groceries

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Answer:

a≤80

Step-by-step explanation:

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3 years ago

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