amy1983
05.05.2020 •
Mathematics
What is the solution set of {x | x < -3} ∩ {x | x > 5}?
A) all numbers except -3 and 5
B) the numbers between -3 and 5
C)the empty set
D) all real numbers
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Ответ:
22.5
Step-by-step explanation:
The formula for.direct proportion will be:.
y = kx
Since y = 45, x = 180
45 = 180k
k = 45/180
k = 1/4 = 0.25
When x = 90
Since y = kx
y = 0.25 × 90
y = 22.5