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KIM [24]
3 years ago
5

F(x)= -3x+5, find f(-6)

Mathematics
2 answers:
Ivan3 years ago
7 0

Goo evening ,

Answer:

<h2>f(-6) = 23</h2>

Step-by-step explanation:

f(-6) = -3(-6) + 5

       = 18 + 5

       = 23.

____________________

:)

Alex Ar [27]3 years ago
5 0

Answer:

-13

Step-by-step explanation:

f(x)= -3x + 5

f(-6)

-3(6) + 5

-18 + 5

= -13

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Which of the following fractions is less than 1<br> options: a) 1 1by4 b) 3/4 c) 5/4 d) 2 3by4
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Answer:

B

Step-by-step explanation:

11/4=2.75

3/4=0.75

5/4=1.25

23/4=5.75

8 0
2 years ago
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Chance can wash the car in 2 hours, while Sandy can wash the same car in 4 hours. How many hours would it take for them to wash
VashaNatasha [74]
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4 0
3 years ago
A rectangle with sides measuring x in. and 4x-1 in. has an area of 663in.^2. What are the dimensions of the rectangle?
serious [3.7K]

9514 1404 393

Answer:

  13 in by 51 in

Step-by-step explanation:

The area is the product of the dimensions, so is ...

  663 = x(4x -1)

  4x^2 -x -663 = 0 . . . . . . subtract 663 to put in standard form

Using the quadratic formula, we can find the solutions.

  x = (-(-1) ±√((-1)^2 -4(4)(-663)))/(2(4))

  x = (1 ± √10609)/8 = (1 ±103)/8

Only the positive solution is of any use in this problem, so ...

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The dimensions of the rectangle are 13 inches by 51 inches.

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I find it easiest to solve these using a graphing calculator.

8 0
3 years ago
Use the box method to distribute and simplify (3x – 1)(-5x + 1)
Softa [21]

Answer:

-15x^2 +8x -1

Step-by-step explanation:

(3x – 1)(-5x + 1)=

3x(-5x) + 3x(1) - 1(-5x) -1 =

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-15x^2 +8x -1

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3 years ago
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Step-by-step explanation:

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