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Viktor [21]
3 years ago
6

The slope of a line is –4 and its y-intercept is (0, 4). What is the equation of the line that is perpendicular to the first lin

e and passes through (–8, 2)?
Mathematics
1 answer:
azamat3 years ago
4 0
The first equation is y = -4x + 4

so I think, you make the slope positive.

y = 4x + c

2= 4(-8) + c
2 = -32 + c
34 = c

y = 4x + 34

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3 years ago
Terry needs to carry a pole that
Natasha2012 [34]

Answer:

Yes, The pole will fit through the door because the diagonal width of the door is 10.8 feet, which is longer than the length of the pole.

Step-by-step explanation:

Using the Pythagorean Theorem, (a^2+b^2=c^2 ) we can measure the hypotenuse of a right triangle. Since the doorway is a rectangle, and a rectangle cut diagonally is a right triangle, we can use Pythagorean Theorem to measure the diagonal width of the doorway.

Plug in the values of the length and width of the door for a and b. The c value will represent the diagonal width of the doorway:

6^2+9^2=c^2

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Since 117 is equal to the value of c multiplied by c, we must find the square root of 117 to find the value of c.

\sqrt{117} =10.8

10.8=c

Yes, The pole will fit through the door because the diagonal width of the door is 10.8 feet, which is longer than the length of the pole, measuring 10 feet.

7 0
3 years ago
Peaches are being sold for $2 per pound. If x represents the number of pounds of peaches bought and y represents the total cost
Mama L [17]
2X=Y

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8 0
3 years ago
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Need answer asap, correct answer gets brainliest.
garik1379 [7]

Answer:

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Step-by-step explanation:

5 0
2 years ago
What two numbers add to 13 but multiply to negative 12?
Phoenix [80]

9514 1404 393

Answer:

  13.8654599313 and -0.8654599313

Step-by-step explanation:

If one of the numbers is x, then the other is 13-x, and their product is ...

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  x^2 -13x = 12 . . . . multiply by -1 and simplify

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  (x -6.5)^2 = 54.25

  x -6.5 = √54.25

  x = 6.5 +√54.25 ≈ 13.8654599313

and the other number is ...

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The two numbers are 13.8654599313 and -0.8654599313.

3 0
2 years ago
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