kathrynpuppies201716
01.09.2020 •
Mathematics
what is 2xto the power of 2 - 2z to the power of 4 + y to the power of 2 -x to the power of 2 + z to the power of 4. if x = -4 y = 3 and z = 2.
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Ответ:
y = 90
Step-by-step explanation:
If y varies jointly as x and z, then;
y = kxz
If y = 18 when x = 2 and z = 3
18 = k(2)(3)
18 = 6k
k = 18/6
k = 3
To get y when x = 5 and z = 6
y = kxz
y = 3(5)(6)
y = 15*6
y = 90
Hence the value of y is 90