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3 years ago

Which function is decreasing?

Mathematics

1 answer:

madam [21]3 years ago

7 0

Answer:

outdoor temperature as a function of time

Step-by-step explanation:

If you put the temperture as a function of time, every passing hour or minute the tempurture decreases resulting in a decrease in your function.

This can also be shown in a graph were the tempuerture is the x and the time is the y. Each hour that passes the temputure goes down until night falls and the temputure reaches a constant rate of tempurture

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Which number line represents x2=16

Ivenika [448]

Answer:

Step-by-step explanation:

Well 2x=16 is the same as x=8 when you divide by 2. So the dot should be on 8.

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3 years ago

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The Room is 20 feet by 25 feet and the ceiling is eight feet. What is surface area that would need to be painted in order to pai

Tanya [424]

Answer:

I'm assuming you don't want to paint the floor.

1220

Step-by-step explanation:

25 * 8 = 200. Now we multiply that by 2 to get 400. Those are the 2 walls.

The ceiling is 25 * 20 = 500.

20 * 8 = 160. Now we multiply that by 2 to get 320. Those are the 2 walls.

500 + 400 + 320 = 1220

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4 years ago

Arrange the steps in the correct order to solve: <br> sin 3pi/4 cos pi/12

Dmitry [639]

$\bf \textit{Product to Sum Identities}
\\\\
sin(\alpha)cos(\beta)=\cfrac{1}{2}[sin(\alpha+\beta)\quad +\quad sin(\alpha-\beta)]\\\\
-------------------------------\\\\
sin\left( \frac{3\pi }{4} \right)cos\left( \frac{\pi }{12} \right)\implies \cfrac{1}{2}\left[ sin\left( \frac{3\pi }{4}+\frac{\pi }{12} \right) ~~+~~sin\left( \frac{3\pi }{4}-\frac{\pi }{12} \right)\right]$

$\bf \cfrac{1}{2}\left[ sin\left( \frac{9\pi+\pi }{12} \right) ~~+~~sin\left( \frac{9\pi-\pi }{12} \right)\right]
\\\\\\
\cfrac{1}{2}\left[ sin\left( \frac{10\pi }{12} \right) ~~+~~sin\left( \frac{8\pi }{12} \right)\right]\implies 
\cfrac{1}{2}\left[ sin\left( \frac{5\pi }{6} \right) ~~+~~sin\left( \frac{2\pi }{3} \right)\right]
\\\\\\
\cfrac{1}{2}\left[\cfrac{1}{2}~~+~~\cfrac{\sqrt{3}}{2} \right]\implies \cfrac{1}{2}\left[ \cfrac{1+\sqrt{3}}{2} \right]\implies \cfrac{1+\sqrt{3}}{4}$

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4 years ago

Tara and Jodi's bedroom are shaped like rectangles Tara bedroom is 9 feet long and 8 feet wide Jody's bedroom is 7 ft long and 1

brilliants [131]

Tara has a bigger bedroom since 9x8 =72 and ten x seven =seventy

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3 years ago

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Use the Distributive Property to simplify the expression.I GIVE BRAINLEST AWNSER <br> 6(6+y)

ivanzaharov [21]

Answer:

36+6y

Step-by-step explanation:

you have to multiply 6 on 6+y because distributive property basically means to share out so you do 6(6)+(6)y

6(6) equals 36 (6x6) and 6(y) is just 6y

36+6y

5 0

3 years ago