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marin [14]
3 years ago
6

Brainliest to the first CORRECT answer, Thanks

Mathematics
1 answer:
kotykmax [81]3 years ago
5 0

Answer:

28 inches

Step-by-step explanation:

P = 2 (a + b) = 2 · (6 + 8) = 28

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D. works because if you work it out that means 2n=140 and then divide by 2 which means n=70 and the other number is 71
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Select the choice that translates the following verbal phrase correctly to algebra:
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7 0
3 years ago
Can y'all help me with number 6.
Juliette [100K]
SOH CAH TOA -> \bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad \qquad 
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}

\\ \quad \\
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}

so.. which of those fellows do we use?
well, the triangle gives us

the angle, 15 degrees, for elevation angle
the adjacent side, 50m
and we want the opposite side, the slide

so...who has only, the angle, opposite, and adjacent sides?
well, low and behold, is Ms tangent
thus
\bf tan(\theta)=\cfrac{opposite}{adjacent}\qquad 
\begin{cases}
\theta\to 15^o\\
adjacent=50\\
opposite=x-15
\end{cases}
\\ \quad \\
tan(15^o)=\cfrac{x-15}{50}\implies 50tan(15^o)=x-15\\\\ 50\cdot tan(15^o)+15=x

notice, "x" in the picture, is the distance from the ground up to the top of the waterslide, using that triangle, what we're getting is just the distance, from the shorter slide, to the taller one, or x - 15
thus, the opposite side is x -15

6 0
3 years ago
I’ll mark you brainlist I’ll mark you brainlist
umka21 [38]

Answer:

0

Step-by-step explanation:

8 0
3 years ago
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Makovka662 [10]

Answer:

Molecules in both the metal and the surrounding air will start moving at lower speeds?

Step-by-step explanation:

I'm not sure this is the right answer, because i thought that the air and the metal would be in equilibrium.

So sorry if this is wrong, chemistry isn't my strongest subject.

7 0
3 years ago
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