To find the value of input value 'x' of the function substitute the value of output value f(x) in the given function.
If f(x) = 2x - 3 and we have to find the values of 'x' for f(x) = 15
Substitute the value of f(x) in the given function,
15 = 2x - 3
2x = 15 + 3
2x = 18
x = 9
- If g(x) = 3x + 2
- For g(x) = 11
11 = 3x + 2
3x = 11 - 2
3x = 9
x = 3
- If w(x) = 3x - 7
- For w(x) = 14
114 = 3x - 7
3x = 21
x = 7
- If h(x) = -2x - 5
- For h(x) = -25
-25 = -2x - 5
25 = 2x + 5
2x = 20
x = 10
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Answer:
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Step-by-step explanation:
p.s this was last year
The cube has 6 sides, each a square with dimensions 3 by 3,
the area of any of these squares is 3*3=9 square units.
The total area of the cube is 6*9 square units=54 square units
The volume of a cube with side length a is given by :
, thus the volume of the cube-shaped cell is 3*3*3=27 cube units.
(surface area):(volume)=54:27 = 2:1 =2
Answer:
the ratio of the numerical values is 2
(their ratio including units is 2/unit
Answer:
Z= 0.253
Z∝/2 = ± 1.96
Step-by-step explanation:
Formulate the null and alternative hypotheses as
H0 : u1= u2 against Ha : u1≠ u2 This is a two sided test
Here ∝= 0.005
For alpha by 2 for a two tailed test Z∝/2 = ± 1.96
Standard deviation = s= 15
n= 10
The test statistic used here is
Z = x- x`/ s/√n
Z= 2058- 2046 / 15 / √10
Z= 0.253
Since the calculated value of Z= 0.253 falls in the critical region we reject the null hypothesis.
There is evidence at the 0.05 level that the doors are too short and unusable.
1 year = 365 days.
1 day = 24 hours.
1 hour = 60 minutes.
First convert the hours and minutes in Jupiter orbit to days:
14*60 = 840 +9 = 849 minutes.
849 / 60 = 14.15 hours.
14.15 / 24 = 0.59 days.
Jupiter's orbit is 4332.59 days.
Now divide that by 365 for the number of years:
4332.59 / 365 = 11.87 years.
