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Sunny_sXe [5.5K]
3 years ago
13

If a light ray is relflected off the shiny surface at 170 degrees, at what angle did the light ray first strike the surface?

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0

Answer:

10 degrees

Step-by-step explanation:

take 180-170

and then 10 is  your answer

you only need to try to get to 180

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PLEASE HELP ME!!!!!!!!!!!!!!!!!!
lilavasa [31]

Answer:

a) 4 - vt - d = \frac{1}{2} at^{2}

b) 1 - 2(vt - d) = at^{2}

c) 6 - \frac{2(vt - d)}{t^{2}} = a

Step-by-step explanation:

It simply asks the steps to go from the original displacement formula to isolate a (the acceleration).  It's just a matter of moving items around.

We start with:

d = vt - \frac{1}{2} at^{2}

We then move the vt part on the left side, then multiply each side by -1 (to get rid of the negative on the at side and to match answer choice #4):

vt - d = \frac{1}{2} at^{2}

Then we multiply each side by 2 to get rid of the 1/2, answer #1:

2(vt - d) = at^{2}

Finally, we divide each side by t^2 to isolate a (answer #6):

\frac{2(vt - d)}{t^{2}} = a

4 0
3 years ago
A flower bed is in the shape of a triangle with one side twice the length of the shortest side and the third side is 14 feet mor
miv72 [106K]

Answer:

onii chan zani moto veno . sain culoco naiso

Step-by-step explanation:zani nqqa quasetni onii san 4

6 0
3 years ago
9. The water level is 3 feet below your dock. The tide goes out, and the water level lowers 1 foot. A storm surge comes in, and
guapka [62]
We know that that the water level is 3 feet below your deck. (-3)
When the tide goes out, the water level lowers 1 foot. (-1)
A storm surge comes in, the water level rises 2 feet. (+2)

New water level: -3-1+2= -4+2= -2
The new water level is 2 feet below the dock.

Mark as brainliest pls. Any concern or comment, talk to me.
3 0
3 years ago
Read 2 more answers
If you have a demand function of Qd=48-9P and a supply function of Qs=-12+6P,
jenyasd209 [6]

Answer:

The equilibrium quantity is 26.4

Step-by-step explanation:

Given

Q_d = 48 - 9P

Q_s = 12 + 6P

Required

Determine the equilibrium quantity

First, we need to determine the equilibrium by equating Qd to Qs

i.e.

Q_d = Q_s

This gives:

48 -9P = 12 + 6P

Collect Like Terms

-9P - 6P = 12 - 48

-15P = -36

Solve for P

P = \frac{-36}{-15}

P =2.4

This is the equilibrium price.

Substitute 2.4 for P in any of the quantity functions to give the equilibrium quantity:

Q_d = 48 - 9P

Q_d = 48 - 9 * 2.4

Q_d = 26.4

<em>Hence, the equilibrium quantity is 26.4</em>

7 0
3 years ago
What is the value of 7 in 6,735?
JulijaS [17]
First, you have to break the number down by expanding it to find the different number values.

          6,735
              ↓
6,000 + 700 + 30 + 5

This shows us the values of the 7 in 6,735 is 700.

Answer: 700

6 0
3 years ago
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