Answer:
Lower bound = 5.2
Upper bound = 5.4
Step-by-step explanation:
If a= 4.2 to (1dp):
Upper bound = 4.2 + 0.05 = 4.25
Lower bound = 4.2 - 0.05 = 4.15
If b = 18 (to the nearest whole number)
Upper bound = 18 + 0.5 = 18.5
Lower bound = 18 - 0.5 = 17.5
Therefore:
Lower bound of ((a+b)/a) = ((4.15 + 17.5) / 4.15) = 5.2 to 1 decimal place
Upper bound of ((a+b)/a) = ((4.25 + 18.5) / 4.25) = 5.4 to 1 decimal place
The upper and lower bound are calculated to one decimal place.
Answer:
x = -7
Step-by-step explanation:
8x - 9 = 12 + 11x
Subtract 11x to both sides of the equation. Then, it will look like this:
-3x - 9 = 12
Add 9 to both sides of the equation. After that, it will look like this:
-3x = 21
Divide both sides of the eqution by -3. Your answer is:
x = -7
Answer:
about 3.2 gallons. (3.2, 12)
Step-by-step explanation:
If gas costs $3.75 per gallon and Berto has $12, then he can purchase 12/3.75 gallons. This is approximately 3.2 gallons. So the coordinate on this line would be (3.2, 12)
Use y=mx+b It helped me so much
Answer:
A. g(-13)=20
Step-by-step explanation:
For this question we should apply the discard method.
B. g(-4)=-11 can't be true because the range of g is [-5,45); it means that the function won't never take values minor than -5 or higher or equal to 45.
C. g(0)=2. This contradict what is said on the problem: g(0)=-2.
D. g(7)= - 1 This can't be true because the domain of g(x) is (-20,5), which means that the function is not defined in values minor (or equal to) than -20 or higher (or equal to) 5. So, g(7) does not exist.
