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viktelen [127]
3 years ago
15

(20x2 – 12x) + (25x– 15)

Mathematics
2 answers:
andriy [413]3 years ago
6 0

Answer:

20x^2 +13x -15

Step-by-step explanation:

(20x^2 – 12x) + (25x– 15)

Combine like terms

20x^2 +13x -15

bearhunter [10]3 years ago
3 0
Final Answer: (5x - 3) • (4x + 5)
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What word problem could be used for the 2 step equation .5(x+40)=200
Fiesta28 [93]

Since multiplying by 0.5 is the same as dividing by 2, the problem is described by the sentence

"Half the sum of a number and 40 equals 200"

5 0
3 years ago
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Convert this into a standard number<br> <img src="https://tex.z-dn.net/?f=10%5E%7B12%7D" id="TexFormula1" title="10^{12}" alt="1
jeka57 [31]

10^12 in standard number is 1000000000000

<h3>How to convert the number?</h3>

The number is given as:

10^{12

Expand the expression

10^{12} = 10 * 10 * 10 * 10 *10 * 10 * 10 * 10*10 * 10 * 10 * 10

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10^{12} = 1000000000000

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Read more about standard number at:

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3 0
2 years ago
The sum of two numbers is 6. Two less than three times the smaller is equal to the larger
Natasha_Volkova [10]
So... let's say, we have two numbers "a" and "b",
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3a - 2

that equals the larger "b"

3a - 2 = b
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solve for "a",

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8 0
3 years ago
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Eva8 [605]

Answer:

14 packs

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4 years ago
For each function below, find its domain and then determine if the function increasing, decreasing, or constant on each piece of
VashaNatasha [74]

Answer:

Domain:  all real numbers

The interval on which the function is increasing is : (0 , infinity)

The interval on which the function is decreasing is : (-infinity , 0)

The interval on which the function is constant is : ( 0,0 )

Step-by-step explanation:

f(r)=5r^2−4

This is  a quadratic function.

vertex at  (0, -4)  and with positive coefficient for r^2

The interval on which the function is increasing is : (0 , infinity)

The interval on which the function is decreasing is : (-infinity , 0)

The interval on which the function is constant is : ( 0,0 )

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