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Dvinal [7]
3 years ago
14

Chapter 9 geometry help me! (refer to the picture)​

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0

Answer:

A i think bc its the only one that makes since

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Solve√( 7×±4 )≈2√× and the steps involved
Neporo4naja [7]
Hey it Tya!

Hey ur welcome !

Hahah
4 0
3 years ago
An opaque cylindrical tank with an open top has a diameter of 3.25 m and is completely filled with water. When the afternoon Sun
kicyunya [14]

Answer:

10.69

Step-by-step explanation:

We must first know that the angle of refraction is given by the following equation:

n_water * sin (A_water) = n_air * sin (A_air)

where n is the refractive index, for water it is 1.33 and for air it is 1.

The angle (A) in the air is 22.8 °, and that of the water is unknown.

Replacing these values we have to:

1.33 * sin (A_water) = 1 * 0.387

sin (A_water) = 1 * 0.387 / 1.33

A_water = arc sin (0.2907) = 16.9 °

now for the tank depth:

h = D / tan (A_water)

D = 3.25

Replacing

h = 3.25 / tan 16.9 °

h = 10.69

Therefore the depth is 10.69 meters.

6 0
2 years ago
What is 48% of 60? This is for Algebra 1! :)
coldgirl [10]

Answer:

48% of 60 is 28.8.

4 0
2 years ago
Read 2 more answers
HELP!!!!! PLEASE!!!!
dmitriy555 [2]
53280 miles. If you multiply the mps by seconds in a minute (60) then minutes (48) you can get this answer easily
7 0
3 years ago
Find the x intercepts of f(x) = –16x^2 + 22x + 3
Helga [31]
That is where the line crosses the x axis or where y=0

0=-16x^2+22x+3
we gon do grouping
ac method
-16 times 3=-48

what 2 numbers multiply to get -48 and add to get 22
-2 and 24
0=-16x^2-2x+24x+3
group
0=(-16x^2-2x)+(24x+3)
undistribute
0=-2x(8x+1)+3(8x+1)
undistribute
0=(8x+1)(-2x+3)
set eaqual to 0

8x+1=0
8x=-1
x=-1/8

-2x+3=0
3=2x
3/2=x

x intercepts ate x=-1/8 and x=3/2
4 0
2 years ago
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