Answer:
Sum of the number is 8.4
Step-by-step explanation:
x = sum of a number
(5 × x) + 6 =48
5x + 6 = 48
5x + (6 - 6) = (48 - 6)
5x = 42
5x ÷ 5 = 42 ÷ 5
x = 8.4
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Answer:
Step-by-step explanation:
Use the slider to change the value of k.
Positive values of k shift the graph ✔ up.
Negative values of k shift the graph ✔ down
Answer:
number o students bought pennants = 18
number of student bought fancy ones=12
Step-by-step explanation:
Let x be the number o students bought pennants
and y be the number of student bought fancy ones
total 30 students


Plain pennants cost $4 each and fancy ones cost $8 each.

Substitute 30-x for y in second equation



Subtract 240 from both sides

divide both sides by -4
x=18


number o students bought pennants = 18
number of student bought fancy ones=12