Answer:
sqrt (90)
Step-by-step explanation:
(13+5) is to z as z is to 5
(13+5) / z = z/5
18/z = z/5
90 = z^2
z = sqrt (90)
Answer: 10%
Step-by-step explanation:
45 minutes per 1/4 of the class. 45 times 4 is equal to 3 hours.
9514 1404 393
Answer:
- picture: 324 square cm
- board: 1296 square cm
- board dimensions: 36 cm square
Step-by-step explanation:
a) The area of the picture is the product of its dimensions:
(18 cm)² = 324 cm²
__
b) The area of the board is 4 times that:
board area = 4×324 cm² = 1296 cm²
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c) The dimensions of the square board are the square root of its area:
√1296 = √(4×324) = (√4)(√324) = 2×18 = 36 . . . . cm
The board is 36 cm square.
Y would equal 8. This should be correct add y and x in a calulator and that should tell you im right
