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iren [92.7K]
3 years ago
8

What is the product of (7x+3)^2

Mathematics
2 answers:
Natali [406]3 years ago
7 0

Answer:

49x² + 42x + 9

Step-by-step explanation:

Given

(7x + 3)²

= (7x + 3)(7x + 3)

Each term in the second factor is multiplied by each term in the first factor, that is

7x(7x + 3) + 3(7x + 3) ← distribute both parenthesis

= 49x² + 21x + 21x + 9 ← collect like terms

= 49x² + 42x + 9

Firdavs [7]3 years ago
6 0
The answer is 49x^2 +42x+9
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Answer:

$24.5 = 1 tank

Step-by-step explanation:

All you have to do is multiply.

Since 12.5 gallons = 1 tank,

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to get the answer, the equation would be,

$1.96*12.5 = 1 tank

$24.5 = 1 tank

Hope it helps!!

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3 years ago
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Answer:

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3 years ago
Here are the first four terms of an arithmetic sequence. 3 10 17 24 Find, in terms of n, an expression for the nth term of this
ollegr [7]

Answer:

a_{n} = 7n - 4

Step-by-step explanation:

The n th term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

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8 0
3 years ago
The top 1/8 of the runners advance to the finals for the track and field competition. What is the decimal value of the number? S
egoroff_w [7]
To find the decimal form, you have to manually divide 1 by 8. Since 8 is greater than 1, the quotient would then start with 0., then you add a 0 next to 1, to make it 10. This time, divide 10 by 8. The nearest answer would be 1, because 1 *8 = 8. Subtracting this from 10, you get 2. Add another 0 to 2, to make it 20. Do the cycle all over again. The complete solution is as follows:
          0.125
       ---------------------------
   8 |   10
         - 8
        ------------------------
           20
         -16
          -------------
            40
          - 40
       -------------
            0

<em>Hence, the decimal form of 1/8 is 0.125.</em>
8 0
3 years ago
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