Answer:
-cos(2x)
Step-by-step explanation:
I did trig last year and tutor a trig class this year :)
Note: 1 inch = 2.54 cm is an exact converion, while 1 mile=1.6km is only approximate.
Using conversion
1 inch=2.54 cm
1 mile = 1760*3*12 = 63360 in = 160934.4 cm
If 1 inch = 1 mile, then
2.54 cm : 1 mile = 1.609344 km
1 cm : 0.6336 km (exactly), or
1 cm : 0.6 km (approximately)
Using both conversions:
1 inch = 2.54 cm : 1 mile = 1.6 km
=>
2.54 cm : 1.6 km
1 cm : 1.6/2.54=0.6299 km (approximately), or
1 cm : 0.6 km (approximately)
Answer:
x = 10
Step-by-step explanation:
2(1+5x)-3x=72
Distribute
2 + 10x -3x = 72
Combine like terms
2+7x=72
Subtract 2 from each side
2+7x-2 = 72-2
7x = 70
Divide by 7
7x/7 = 70/7
x = 10
Answer:
Check the explanation
Step-by-step explanation:
Scatter plot
x---square feet
y---rent
SolutionA:
Kindly check the attached image below:
THERE EXISTS A WEAK POSITIVE RELATIONSHIP BETWEEN SQUARE FEET AND RENT .
AS SQUARE FEET INCREASES RENT INCREASES
SolutionB:
Rent=0.4932(squarefeet)+992.99
slope=m=0.4932
Y intercept=992.99
SolutionC:
Interpretation of slope:
slope =m=change in rent/change in square foot
For a unit increase in square feet rent increases by 0.4932
Interpretation of y intercept:
when square feet=0 rent is 992.99
Solutiond:
when squarefeet=800
Rent=0.4932(squarefeet)+992.99
=Rent=0.4932(800)+992.99
=1387.55
