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WINSTONCH [101]
3 years ago
9

I need help solving this. Thanks in advance.

Mathematics
1 answer:
KIM [24]3 years ago
6 0

Answer: Okay! Let's simplify step-by-step.

f(7)−f(−4)

=7f+4f

Combine Like Terms:

=7f+4f

=(7f+4f)

=11f

Step-by-step explanation:i hope this helped in any way :D best of luck!

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The perimeter of a rectangle is 46 millimeters. The length of the rectangle can be represented by (3x+3), and its width can be r
Tamiku [17]

Answer:

The dimension of this rectangle = 2mm by 21mm

Where 2 mm = Width of the rectangle

21 mm = Length of the rectangle.

Step-by-step explanation:

The formula for the perimeter of a rectangle = 2(L + W)

= 2L + 2W

The perimeter = 46 mm

L = 3x + 3

W = x - 4

P = 2L + 2W

46mm = 2(3x + 3) + 2(x - 4)

46 = 6x + 6 + 2x - 8

Collect like terms

46 +8 -6 = 6x + 2x

48 = 8x

x = 48/8

x = 6

Since the Length = 3x + 3

= 3(6) + 3

= 18 + 3

= 21mm

Since the Width = x - 4

= 6 - 4

= 2mm

Therefore, the dimension of this rectangle = 2mm by 21mm

Where 2 mm = Width of the rectangle

21 mm = Length of the rectangle.

8 0
3 years ago
3 is 12% of please help asap
Korvikt [17]

Answer:

25%

Step-by-step explanation:

hopes this helps you

8 0
3 years ago
Read 2 more answers
If 60% of the registered voters cast 270,000 votes in an election how many registered voters are there. In another election 70%
quester [9]
60% of 270,000 is 162,000. 70% of 315,000 is 220,500. There is 58,500 more at the second election than the first.
3 0
3 years ago
Divide using synthetic division.<br> -3x^3+11x^2-x+20 by (x-4).<br><br> Please show steps!
Vaselesa [24]
-3 11 -1 20
4 -12 -4 -20
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Bring down the -3,
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Multiply -5 * 4
Add 20 and -20
Answer: The power is reduced by one from the
Dividend. -3x^2 – x - 5
I tried to upload a file also but I don't know if it will show up.

8 0
3 years ago
Help pls whats the output
-Dominant- [34]

Answer:

its b

Step-by-step explanation:

3 0
3 years ago
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