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olasank [31]
3 years ago
10

To factor 9x^2- 4, you can first rewrite the expression as:

Mathematics
1 answer:
neonofarm [45]3 years ago
6 0

Answer:

D

(3x - 2)(3x + 2) \\

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1. A scale model of a building is 12 inches tall. The actual building is 120 feet tall. What is the scale factor of the model.
JulijaS [17]

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i believe it's 18

Step-by-step explanation:

9/6=1.5

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4 0
3 years ago
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The difference HELPPP
Flauer [41]

Answer:

5 and 2/10

Step-by-step explanation:

You have to have a common denominator

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What is the polynomial of 3,4
Sav [38]

The degree of a polynomial is the highest power of x in its expression. Constant (non-zero) polynomials, linear polynomials, quadratics, cubics and quartics are polynomials of degree 0, 1, 2 , 3 and 4 respectively. The function f(x)=0 is also a polynomial, but we say that its degree is 'undefined'.



7 0
3 years ago
Name the values Of the 4s in the number 400,440
gavmur [86]

The first value of 4 is in the tens place.

The second value of 4 is in the hundreds place.

The third value of 4 is in the hundred thousands place

40

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6 0
3 years ago
It takes 8 workers 5 hours to build 2 cars. Assuming they work at the same speed , how long does it take 2 workers to build 8 ca
vodomira [7]

Answer:

80 hours   for 2 workers  to build 8 cars

Step-by-step explanation:

2 cars / 8w *5 hr  =   2 cars / 40 hrs    1 car takes 20 hrs

8 cars * 20 hours = 160 hours required

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8 0
3 years ago
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