Answer:
cost of 1 kg of washing powder is $1.2
Step-by-step explanation:
9 kg = $10.80
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cost for 1 kg =
Answer:
70 units squared
Step-by-step explanation:
A=bh=7·10=70
Hope this helps! <3
1)
1: It's a function
2: It's not a function
3: It's a function
4)
4: It's not a function
5: It's a function
6: It's a function
Hope I did it right and helped you ^.^
Part A: Yes this is a function because there are no repeated x values. Each x value points to exactly one y output. You can graph each point and the graph will not fail the vertical line test.
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Part B: Plug x = 6 into the f(x) function given to get
f(x) = 7x-15
f(6) = 7*6-15
f(6) = 42-15
f(6) = 27
Now compare this with the table. According to the table, when x = 6, the value of y is 14. So the f(x) value is larger than the table value when x = 6
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Part C:
Replace f(x) with 6 and solve for x
f(x) = 7x-15
6 = 7x-15
6+15 = 7x-15+15
21 = 7x
7x = 21
7x/7 = 21/7
x = 3
So the final answer, for part C, is x = 3
Answer:
wait can u put it in a way that i can understand it pls and thank you
Step-by-step explanation:
