3 years ago

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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3 years ago

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Answer:

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Step-by-step explanation:

Multiply:

(1/3)x + 1 >= (1/2)x + 1/2 - (-1/4)x

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3 years ago

Sandy hits a baseball that flies 114 meters through the air and into the stands.

Vilka [71]

Answer:

The average speed of the baseball is 26 m /s.

Step-by-step explanation:

Here, the total distance traveled by baseball = 114 meters

Time taken to cover this distance = 4.4 seconds

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So, average speed = $\frac{114 m}{4.4s} = 25.9m/s$

and , 25.9 m/s is approximately 26 m/s.

Hence, the average speed of the baseball is 26 m /s.

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