9 y² - 7 for y = 3
9 * 3² - 7 =
9 * 9 - 7 =
81 - 7 => 74
6 centimeters
x will represent the side length of the smaller square, so 2x is the side length of the bigger square.
x*x + 2x*2x = 45
x^2 + 4x^2 = 45
5x^2 = 45
x^2 = 9 (Divide by 5)
sqrt(x^2) = sqrt(9)
x = 3
2x = 6 (Multiply by 2)
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Answer:
Step-by-step explanation:
3/x=5/7 is the same as A 21=5x Both equal to 21/5 or 4 1/5
Answer:
Down, Down, Right, Right, diagonal left, up, right
Step-by-step explanation:
Not gonna do every equation here tho lol
B hope that is correct answer
