Answer: r+7 is irrational
Step-by-step explanation:
1) If r is irrational, that means that it goes on and on forever.
2) 7 is a rational number because it can be expressed as a quotient of 2 integers (7÷1=7)
3) If you add a rational number to an irrational number it is still irrational. The numbers after the decimal point keep going and going. You are just changing the whole number, which if to the left of the decimal point.
D = -21
multiply both sides by 7
1/7d (7) = -3 (7)
reduce with greatest common factor
d = 7(-3)
change signs
d = -7(3)
solve
d=-21
Answer:
29 minutes
Step-by-step explanation:
Raymond's total charge is the sum of the entrance fee and the per-minute charge for the number of minutes he used the trampoline:
total charge = entrance fee + (per minute charge) × t
43.25 = 7.00 + 1.25t . . . . . filling in the given numbers
36.25 = 1.25t . . . . . . . . . . . subtract 7
t = 36.25/1.25 = 29 . . . . . . divide by the coefficient of t
Raymond was on the trampoline for 29 minutes.
Answer:
NO I HAVE NOT AMAZON ACCOUNT BRAINLIEST
