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Bas_tet [7]
3 years ago
9

On a coordinate plane, a dashed straight line has a positive slope and goes through (negative 3, negative 7) and (0, 2). Everyth

ing to the left of the line is shaded. Which linear inequality is represented by the graph? y < 3x + 2 y > 3x + 2 y < One-thirdx + 2 y > One-thirdx + 2

Mathematics
2 answers:
Rzqust [24]3 years ago
8 0

Answer:

y>3x+2

Step-by-step explanation:

1) Find the slope, between (0,2) and (-3,-7) and then the linear parameter.

m=\frac{y_{2}-y_{1}}{x_{2}-x_{2}}\Rightarrow m=\frac{2+7}{0+3}\Rightarrow m=3\left \{ 2=0(3)+b \right.\Rightarrow b=2

2)Since it is a dashed line and the question says, everything to the left... then y > 3x+2. Rearranging it:

y=3x+2\Rightarrow y>3x-2

vagabundo [1.1K]3 years ago
6 0

Answer:

B)y > 3x +2

Step-by-step explanation:

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I know of two ways to solve quadratic equations. The first is through factoring. Let us take the example (x^2)+2x+1=0. We can factor this equation out and the factors would be (x+1)(x+1)=0. To solve for the roots, we equate each factor to 0, that is

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In this case, the factors are the same so the root of the equation is

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A coordinate grid is mapped onto a video game screen, with the origin at the lower left corner. The game designer programs a tur
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Is the second paragraph meant to throw you off??? Because the answer to the question does not rely on the information based from the second paragraph...

Anyway, we know that the turtle started from (0, 0) and moved to (10, 8). Let's assume that (0, 0) is (x1, y1), and that (10, 8) is (x2, y2) for the sake of calculations.

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To find how far the turtle moved upwards (along the y-axis) we take y1 from y2:

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4 0
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A heavy metal sphere
GaryK [48]

Answer: the height of the water after the sphere is placed in

it is 33.33 cm

Step-by-step explanation:

The cylinder is called a right circular cylinder because its height make a right angle with its base. The formula for determining the volume of the cylinder is expressed as

Volume = πr^2h

Where

π is a constant whose value is 3.14

r represents the radius of the cylinder.

h represents the height of the cylinder.

From the information given,

r = 10 cm

h = height of water in the cylinder = 20 cm

Volume of water in the cylinder before the sphere was placed in it would be

V = 3.14 × 10^2 × 20 = 6280 cm^3

The formula for determining the volume of the sphere is expressed as

Volume = 4/3 πr^3

V = 4/3 × 3.14 × 10^3 = 4186.67cm^3

Total volume of the sphere and the cylinder = 6280 + 4186.67 = 10466.67 cm^2

To determine the new height of the water,

10466.67 = 3.14 × 10^2× h

h = 10466.67/314 = 33.33 cm

7 0
3 years ago
If four is subtracted from twice a number, the result is fourteen what is the equation ​
never [62]

Answer:

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Step-by-step explanation:

4 0
2 years ago
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