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Anika [276]
3 years ago
9

9. (3x + 4y)² – (3z) 2square​

Mathematics
2 answers:
rodikova [14]3 years ago
5 0
Solution: (3x + 4y - 3z) x (3x + 4y + 3z)
S_A_V [24]3 years ago
4 0

Answer:

(3x + 4y - 3z)(3x + 4y + 3z)

Step-by-step explanation:

(3x + 4y)² - (3z)² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Here a = 3x + 4y and b = 3z, then

(3x + 4y)² - (3z)²

= (3x + 4y - 3z)(3x + 4y + 3z) ← in factored form

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The answer to c. Is 8t+12g
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3 years ago
How should the decimal point in 34.05 be moved to determine the product 34.05×106 ?
r-ruslan [8.4K]

Answer: Six places to the right

Step-by-step explanation:

For this exercise it is important to remember that. by definition, the exponent of a number indicates the number of times you must use the same factor to multiply.

Given:

b^n

"b" is the base and "n" is the exponent.

In this case, you have the following multiplication provided in the exercise:

34.05*10^6

Notice that the base 10 has an exponent 6. This indicates the following:

10^6=10*10*10*10*10*10=1,000,000

By definition, moving the decimal point 6 places to the right (because there are six zeros), is the same as multiplying the decimal number 34.05 by 1,000,000.

  Therefore, based on the explained, when you move the decimal point six places to the right, you get the following product.

34.05*10^6=34,050,000

3 0
2 years ago
Simplify the following expression <br>9/20 + 5/12​
Artyom0805 [142]

<em>9/20+5/12=14/32/2 equals a over all 7/16</em>

4 0
3 years ago
Read 2 more answers
A map has a scale of 1 cm : 20 km. Two cities are 2.5 cm apart on the map. To the nearest tenth of a kilometer, what is the actu
Pachacha [2.7K]

50 Km

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6 0
2 years ago
I FAIpQLSep5JOTD IBL
frozen [14]

Answer:

8 ft i think there is't much context to go off of though

Step-by-step explanation:

7 0
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