Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3
the number is 3
Answer:
It gets more complicated with a six-sided die. In this case if you roll the die, there are 6 possible outcomes (1, 2, 3, 4, 5 or 6). Can you figure out what the theoretical probability for each number is? It is 1/6 or 0.17 (or 17 percent).
the boiling point of jet fuel is 329 degrees F. Rounded to the nearest degree, what is the temperature in degrees Celcius? Use the Formula: C = 5/9(F - 32), where C represents degrees celcius, and F represents degrees fahrenheit.
A). 165 degrees C
B). 183 degrees C
C). 201 degrees C
D). 535 degrees C
Solve:
C = 5/9(F - 32)
Simplify both sides:
C = 5/9(329 - 32) = 0
Simplify:
5/9
Equation at end of step 1:
C - (5/9 * 297) = 0
C - 165 = 0
Solve single variable:
C - 165 = 0
Add 165 to both sides:
C = 165
Therefore, Your answer would be, Letter Choice (A), (C = 165 degrees C
Hope that helps!!!!! Have a great day!!!!! : )
Answer:
10%
Step-by-step explanation:
Let the third number is X.
then first number = (100-30)% of X
= 70% of X = 7X/10
Second number is (63X/100)
Difference = 7X/10 - 63X/100 = 7X/10
So required percentage is, difference is what percent of first number
=> (7X/100 * 10/7X * 100 )% = 10%
