Solve the equation, check for extraneous solutions x-10= √9x please explain each step with words:)

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Answer 1
Answer: x-10 = root 9x |Square both sides |(x-10)squared = 9x |Expand |(X-10) (x-10) = 9x |xsquared -10x -10x +100 =9x |Simplify |x squared -20x + 100 = 9x |-9x from both sides |X squared -29x +100 = 0 |Factorise |(x - 25) (x - 4) = 0 |x = 25 or x = 4

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The scale diagram of a basketball court uses a scale of 1:280. The length of the court measures 10 cm in the diagram the actual length of the court is ______________ meters (round to the nearest meter)

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10*280=2800 centimeters
2800 centimeters=28 meters
28 meters

Write Standard from
y=-9/5x+3 ??

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Standard\ form:\nax+by=c\n\ny=-(9)/(5)x+3\n\n\boxed{(9)/(5)x+y=3}

Standard form is:      9/5x+y=3

What is -3.5 as a fraction

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-7/2 (seven halves) .

Seven subtracted from 4 times a number (x) is more than 13

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URGENT!! PLEASE help and don’t link files!!! Find Surface Area of triangular shown.
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Answer:336cm cube

Step-by-step explanation:

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Jacob is planting flowers in his yard. He Goes to a Nursery to purchase flowers he decided to purchase petunias and sunflowers petunias plant costs $2.99 with tax and each sunflower plant costs $2.79 with tax Jacob has $43.85 to purchase flowers. If he buys 10 petunia plants which inequality can be used to fine s, the number of sunflower plants that jacob can purchase.​

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11$ will be your answer