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DENIUS [597]
3 years ago
5

Ordered pairs of y=4x+7

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

(0,7) (1, 11) (2, 15), (3, 19)

Step-by-step explanation:

Substitute any value for x and simplify the equation for the output.

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Can someone tell me how to list these numbers from least to greatest. -4, 6.2, 18 1/2, -5,9, 21, -1/4, and 1.75. Thanks
Fiesta28 [93]
I think it is -5,-4,-1/4, 1.75, 6.2, 9, 18 1/2, 21
4 0
2 years ago
4x-5y+2z=-3<br> 6x+4y+9z=8<br> 11x-2y-z=7
Nutka1998 [239]

Answer:

thank you i need that

Step-by-step explanation:

4 0
3 years ago
What is the volume of a right trianular prism with the dimesions of 15 11 17
Harlamova29_29 [7]

Answer:

1402.5 Cubic Units

Step-by-step explanation:

Volume of a Triangular Prism: V = \frac{1}{2}bhl

b - base

h - height

l - length  

15 is the height, 17 is the length, and 11 is the width  (assuming which is the base).

V=0.5 * (11 * 15 * 17) \\V=0.5*2085\\V=1402.5

The volume of the prism should be 1402.5 cubic units.

3 0
2 years ago
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
1.what is the sum or difference? 3x^8-7x^8<br>A.-4x^16<br>B. -21x^8<br>C. -4x^8<br>D. 10x^-8
Dafna1 [17]
To simplify the given equation, you want to combine like terms. Since both terms have x^8, we can add the coefficients and leave the x^8
3x^8-7x^8 (do 3-7)
=-4x^8 so the answer is C

Hope this helps
5 0
3 years ago
Read 2 more answers
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