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Mrac [35]
4 years ago
6

Helppp lolwhich system of linear equations is represented by the graph?​

Mathematics
1 answer:
kondaur [170]4 years ago
6 0

Answer:

<em>y ≥ x - 2, and x + 2y < 4 ; Option C</em>

Step-by-step explanation:

Consider the y - intercept and slope of 1 of these given lines,

y - intercept = ( 0, - 2 ) / - 2\\slope = 1 / 1 = 1

From this we can formulate the equation of 1 line;

Take Equation In the Form - y = ax + b, a - slope, and , b - y intercept,\\y = ax + b, a = 1, b = - 2,\\Equation of Line 1 - y = x - 2

Now consider the y - intercept and slope of the remaining line;

y - intercept = ( 0,  2 ) / 2\\slope = 1 /  - 2 = - \frac{ 1 }{ 2 }

This creates a line with the equation as such;

Take Equation In the Form - y = ax + b, a - slope, and , b - y intercept,\\y = ax + b, a = - 1 / 2, b = 2,\\Equation of Line 1 - y = - \frac{ 1 }{ 2 } x + 2, x + 2y = 4

From this we see that the solution of the system is such;

<em>Solution ; y ≥ x - 2, and x + 2y < 4 ; Option C</em>

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A biologist is studying adult lobsters. He takes one from its tank and measures its mass. Which is most likely the measure he re
WARRIOR [948]

The weight of an adult lobster i 1lb i hope this helps i personally think it would be (C) 1.14 kg because 1.14 kg is 2.51327 that is the closest weight to an adult lobster


5 0
3 years ago
If you borrow $500 for 6 years at an annual interest rate of 7% ,how will you pay all togther
Vlad [161]

Answer:

$3,210

Step-by-step explanation:

7% of 500 = 35

35 + 500 = 535

535 x 6 = 3,210

Answer = You would pay $3,210 all together.

6 0
3 years ago
Calculate the probability that a particle in a one-dimensional box of length aa is found between 0.29a0.29a and 0.34a0.34a when
Helga [31]

Answer:

P(0.29a < X < 0.34a) = -(4a/π) [(cos 0.34πa²) - (cos 0.29πa²)]

Assuming the box is of unit length, a = 1,

0.29a = 0.29 and 0.34a = 0.34

P(0.29 < X < 0.34) = (-4/π) [(cos 0.34π) - (cos 0.29π)] = 0.167 = 0.17 to 2 s.f

Step-by-step explanation:

ψ(x) = 2a(√sin(πxa)

The probability of finding a particle in a specific position for a given energy level in a one-dimensional box is related to the square of the wavefunction

The probability of finding a particle between two points 0.29a and 0.34a is given mathematically as

P(0.29a < X < 0.34a) = ∫⁰•³⁴ᵃ₀.₂₉ₐ ψ²(x) dx

That is, integrating from 0.29a to 0.34a

ψ²(x) = [2a(√sin(πxa)]² = 4a² sin(πxa)

∫⁰•³⁴ᵃ₀.₂₉ₐ ψ²(x) dx = ∫⁰•³⁴ᵃ₀.₂₉ₐ (4a² sin(πxa)) dx

∫⁰•³⁴ᵃ₀.₂₉ₐ (4a² sin(πxa))

= - [(4a²/πa)cos(πxa)]⁰•³⁴ᵃ₀.₂₉ₐ

- [(4a/π)cos(πxa)]⁰•³⁴ᵃ₀.₂₉ₐ = -(4a/π) [(cos 0.34πa²) - (cos 0.29πa²)]

P(0.29a < X < 0.34a) = -(4a/π) [(cos 0.34πa²) - (cos 0.29πa²)]

Assuming the box is of unit length, a = 1

P(0.29 < X < 0.34) = (-4/π) [(cos 0.34π) - (cos 0.29π)] = (-1.273) [0.482 - 0.613] = 0.167.

7 0
4 years ago
What is 2 divided by 1/4.
mr Goodwill [35]

Answer:

8

Step-by-step explanation:

you basically multiply 2 by 4 anyways hope this helps

8 0
3 years ago
The following ratios form a proportion. 5/18 = 10/90 <br><br> True or False<br><br> 13 pts.
gizmo_the_mogwai [7]

Answer:

False

Step-by-step explanation:

6 0
4 years ago
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