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alexira [117]
3 years ago
5

Factorize 81xsquared+180x+100

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0

Answer:

  • 81x²+180x+100
  • 9x²+180x+10²
  • using (a+b)²=a²+b²+2ab
  • 9x²+2(9x)(10)+10²
  • (9x+2)²=(9x+2)(9x+2)
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Use the number line shown to arrange the variable expressions: x, 2x, −212x, 12x, 3x
Anna35 [415]

Answer:

-212x, x, 2x, 3x, 12x

Step-by-step explanation:

I'm pretty sure this is just a least to greatest kind of thing

3 0
4 years ago
Please help my grade is a 68 i need a 70 at least
aleksklad [387]

Answer:

10s²-6s+9

Step-by-step explanation:

C = -3 + 5s²

B = -2s + 5

2(-3 + 5s²) = -6 + 10s²

3(-2s + 5) = -6s + 15

10s² - 6s + 9

8 0
3 years ago
96%
maw [93]

Answer:

  £930  

Step-by-step explanation:

Put the numbers in the formula and do the arithmetic. The annual earnings are expected to be 12 times the monthly earnings.

  T = 0.2(12×£1375 -11850) = 0.2(£16500 -11850) = 0.2(£4650)

  T = £930

The caterer will pay £930 in income tax for the year.

4 0
4 years ago
Read 2 more answers
Write the ordered pair for R.
olga nikolaevna [1]
(-3.5,-5.5) are the coordinates for R. x goes first in the ordered pair. (x,y)
4 0
3 years ago
3x=5x-9 pls help ?!!?!?!?!?!?!?!?!??!!?1/
lbvjy [14]

Answer: x = 4.5

Step-by-step explanation:

1) Reorder the terms:

3x = -9 + 5x

2) Solving

3x = -9 + 5x

3) Solving for variable 'x'.

4) Move all terms containing x to the left, all other terms to the right.

5) Add '-5x' to each side of the equation.

3x + -5x = -9 + 5x + -5x

6) Combine like terms: 3x + -5x = -2x

-2x = -9 + 5x + -5x

7) Combine like terms: 5x + -5x = 0

-2x = -9 + 0

-2x = -9

8) Divide each side by '-2'.

x = 4.5

9) Simplifying

x = 4.5

6 0
3 years ago
Read 2 more answers
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