When a number is decreased by 9%, the result is 48. What is the original number to the nearest tenth?
1 answer:
Answer:
52.7
Step-by-step explanation:
Let original number be x
(100-9)% of x = 48
91% of x = 48
x = 52.7
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Correct Work
4x+8 +3(x-4)
4x +8 + 3x-12
4x+3x+8 -12
7x -4
Mistake Made
- 3 wasn't multiplied by the 4 in the bracket
- Like terms wasn't combined in the working out
- The answer was supposed to be -4, 8-4= -4
5 to the fifth power or 3125
Answer:
180
Step-by-step explanation:
the angles in a triangle will always add up to 180º because 180º is equal to a straight/flat line.
Answer:
4X+50=150
-50 on both sides
4x=100
divided by 4 on both sides
x=25
Step-by-step explanation:
Hello :
y = -2x² - 9x+5
the y - intercept when : x=0 so : y =-2(0)²-9(0)+5 = 5
