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GalinKa [24]
3 years ago
14

What is -23÷6 please show work

Mathematics
2 answers:
Luden [163]3 years ago
8 0

Answer:


Step-by-step explan

trapecia [35]3 years ago
5 0
-23 \ 6 = -3.8 with a bar above the 8 because the 8 is repeating
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A 4. 9-mm-wide swimming pool is filled to the top. The bottom of the pool becomes completely shaded in the afternoon when the su
cestrela7 [59]

The depth of the swimming pool that is filled to the top is; 4 m

<h3>Snell's Law</h3>

I have attached a schematic diagram showing this question.

The correct width of the pool is 4 meters. Thus; w = 4 m

Incident Angle; θ₁ = 20°

A right angle is 90° and so the angle θ₂ is calculated from;

θ₂ = 90° - θ₁

θ₂ = 90° - 20°

θ₂ = 70°

We can use snell's law formula to find θ₃.

Thus;

n₁sinθ₂ = n₂sinθ₃

where;

n₁ is refractive index of air = 1

n₂ is refractive index of water = 1.33

Thus;

1*sin 70 = 1.33*sin θ₃

sin θ₃ = (sin 70)/1.33

Solving this gives;

θ₃ = 44.95°

By usage of trigonometric ratios we can find the depth of the pool using;

w/d = tan θ₃

Thus;

d = w/(tan θ₃)

d = 4/(tan 44.95)

d ≈ 4 m

Read more about Snell's Law at; brainly.com/question/10112549

6 0
2 years ago
Please help ASAP! All questions.
natka813 [3]

Answer:

I think i don't really know its been awhile for me.

Step-by-step explanation:

But i think you do 2 x 10 and what ever you get from that you multiply by 5 and what get from that you divide by 24.

I may not be right.

So please don't hate i tried.

4 0
3 years ago
A shipping container is in the shape of a right rectangular prism with a length of 5 feet, a width of 12.5 feet, and a height of
Travka [436]

Answer:

 408

Step-by-step explanation:

5 0
3 years ago
please i need this asap, look at the graph to the right. What is the equation for the line (in y=mx+b form)?
vovikov84 [41]

Answer:

The Answer is: y = - 2x + 8.

the y-intersept is 8, and the slope is -2x

5 0
2 years ago
phil's age is 7 years more than 1/5 times peter's age.also,4 times phil's age is 2 years less than twice peter's age .if x is pe
bearhunter [10]
Let Peters age be x
Phil's age is 1/5x+7---------------------------(i)
Phil's age can also be calculated as 
4(1/5x+7)=2x-2--------------------------------(ii)
So,
4/5x+28=2x-2
28+2=2x-4/5x
30=10/5x-4/5x
30=6/5x
x=30*\frac{5}{6}
x=25
5 0
2 years ago
Read 2 more answers
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