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Anon25 [30]
3 years ago
10

Expand and simplify (x + 1)(x + 7)

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0

Answer: 10x + 7

Step-by-step explanation:

multiply everything

2x + 7x + x + 7

combine like terms

10x + 7

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Anvisha [2.4K]

Answer: ( 12 , 9 )

Step-by-step explanation:

The formula for finding the coordinate of points when a line is externally divided in a given ratio is given by :

x = \frac{p x_{2}+q x_{1}}{p+q}

y = \frac{p y_{2}+q y_{1}}{p+q}

From the question

x_{1} = 2

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substituting the values into the formula ,we have

x = \frac{p x_{2}+q x_{1}}{p+q}

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Also

y = \frac{p y_{2}+q y_{1}}{p+q}

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y_{2} = 9

Therefore , the end of the stencil is located at point ( 12 , 9 )

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Answer:

b

this is the correct answer

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