3 years ago

Which of the following are solutions to | x+31= 4x - 7? Check all that app

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

4 0

Answer: x = 38/3

Step-by-step explanation:

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Answer:

Total distance from Mr. West to dolphin $=27\frac{4}{5}\ meters$

Step-by-step explanation:

Height of cliff on which Mr. West is standing above the surface of ocean = $25 \frac{1}{5} \ meters$

Mr. West spot the dolphin under the water at a depth of = $2\frac{3}{5} \ meters$

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Adding mixed numbers

$(25 \frac{1}{5}+2\frac{3}{5})$

Adding whole numbers first.

$=25+2+\frac{1}{5}+\frac{3}{5}\\=27+\frac{1}{5}+\frac{3}{5}$

Adding fractions by taking LCD.

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The function definition tells you that adding 12 to the x-value will give you the value of f(x).

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