2 years ago

Set up the equation

Mathematics

1 answer:

worty [1.4K]2 years ago

7 0

45° is the correct answer

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Given the line below.

Elza [17]

The slope of that line is -1, so m = -1.

The point you were told to use is (-2,2), so point-slope form starts as:

( y - 2 ) = -1 • ( x - (-2) )

But we'd clean up that x-(-2) to be x+2.

y - 2 = -1 ( x+2 )

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3 years ago

John is playing a gamr of darts. The probability that he throws a dart into the center of the dart board (bulls eyes) is 1/10. T

dangina [55]

Answer:

2/5

Step-by-step explanation:

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3 years ago

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The equation C = 75h + 29 represents the total

algol13

9:00 he returned the boat hope this helped and dived it add it then add 3

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3 years ago

A real estate agent has sold a house for $350,000. She earns 3% commission. How much did she earn? Show your work!

inessss [21]

3% is equal to .03 so .03 times $350,000 equals $10,500

8 0

3 years ago

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StartLayout Enlarged left-brace 1st row x² + y² = 25 2nd row 2x + y = 25 EndLayout 0, –5) and (–5, 5) (0, –5) and (5, –15) (0, –

Verdich [7]

Answer:

The line does not intersect the curve

Step-by-step explanation:

Assuming that we are looking for the points of intersection of

${x}^{2} + {y}^{2} = 25$

and

$2x + y = 25$

We make y the subject in the second equation to get:

$y = 25 - 2x$

When we substitute into the first equation:

${x}^{2} + {(25 -2 x)}^{2} = 25$

Let us expand to get:

${x}^{2} + 625 - 100x + 4 {x}^{2} = 25$

We obtain the standard form

$5 {x}^{2} - 100x + 600 = 0$

Divide through by 5

${x}^{2} - 20x + 120 = 0$

The discriminant is

${( - 20)}^{2} - 4 \times 1 \times 120 = - 80$

Hence the quadratic equation has no real roots.

This means the line and point has no point of intersection.

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3 years ago

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