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kiruha [24]
3 years ago
8

Use the elimination method to solve the system of equations. Choose the

Mathematics
1 answer:
Anarel [89]3 years ago
8 0

Answer:

D. (6,6)

Step-by-step explanation:

Given the system of two equations

\left\{\begin{array}{l}3x+5y=48\\ \\-3x+5y=12\end{array}\right.

1. Add these two equations:

3x+5y-3x+5y=48+12\\ \\10y=60\\ \\y=6

2. Subtract these two equations:

(3x+5y)-(-3x-5y)=48-12\\ \\3x+5y+3x-5y=36\\ \\6x=36\\ \\x=6

Hence, the solution to the system is (6,6)

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Bradley wants to build a shop in his backyard. He knows the shop will be a rectangular shaped building. He wants the length of t
grigory [225]

Answer:

A = 6x² + 97x + 391

Step-by-step explanation:

Given that,

The length of the shop, l = (3x+23)

The width of the shop, b = (2x+17)

The expression for the area of the shop is given by :

A = lb

Put all the values,

A = (3x+23) × (2x+17)

= 6x² +51x+46x +391

= 6x² + 97x + 391

Hence, the expression for the area of the shop is equal to 6x² + 97x + 391.

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2 years ago
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Komok [63]

Answer:

5x^5

Step-by-step explanation:

45x/9x = 5x

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3 years ago
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The answer would be B
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2 years ago
Which expression has both eight and N factors
GrogVix [38]

Answer:

8n

Step-by-step explanation:

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