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uranmaximum [27]
3 years ago
6

The area of a rectangular closet is 8 square feet. The perimeter is 12 feet. What are the

Mathematics
1 answer:
3241004551 [841]3 years ago
8 0
A=8ft^2
A=l•w
8=l•w
l=8/w

P=2(l+w)
12=2(8/w+w)
12=2(8/w+w/1)
12=2(8/w+w^2/w)
12=16w^2/w
12=16w
w=12/16
w=3/4=0.75ft
l=8/0.75=10.67ft
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3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST!!!!
IrinaVladis [17]

Answer:

<em>The height of the tree is 19.81 m</em>

Step-by-step explanation:

<u>Trigonometric Ratios </u>

The ratios between the sides of a right triangle are called trigonometric ratios.

If any of the acute angles is chosen as a reference, it has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides and the hypotenuse.

The image shows a right triangle with a tree and the ground forming a right angle and an elevation angle of 33°.

This angle of 33° has a side of 30.5 m as its adjacent leg and the height of the tree X as the opposite side.

The trigonometric ratio that relates both legs is the tangent:

\displaystyle \tan 33^\circ=\frac{X}{30.5}

Solving for X

X=30.5\cdot \tan 33^\circ

Using a calculator:

X = 19.81 m

The height of the tree is 19.81 m

7 0
3 years ago
A ball is thrown vertically upward with an initial velocity of 48 feet per second. The distance s​ (in feet) of the ball from th
ra1l [238]
Hello,

s=48t-16t²

a)
s=0==>16t(3-t)=0==>t=0 or t=3

b)
s>32==>48t-16t²>32===>16(t²-3t+2)<0
Δ=9-8=1
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==>1<t<2 (negative between the roots)

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Answer:

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Step-by-step explanation:

because of the locations of the two angles, it can be concluded that 156=3x.

now you have an equation.

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3 years ago
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There are 12 students in the football team.
8 0
3 years ago
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