Answer:
Charlotte's age = 10 years and Robert's age = 2(10) = 20 years
Step-by-step explanation:
Let Robert's age is r and Charlotte's age is c.
r = 2c
Five years ago,
Robert's age = (r-5)
His age was three times Charlotte's age. So,
(r-5) = 3(c-5)
Put r = 2c in the above equation. So,
(2c-5) = 3(c-5)
(2c-5) = 3c-15
Taking like terms together,
15-5 = 3c-2c
c = 10
So, Charlotte's age = 10 years
Robert's age = 2(10) = 20 years
Answer:
Read below
Step-by-step explanation:
To graph the inequality, place an open circle on -2.5 because there is no line under the > sign. Draw the arrow pointing to the right because the inequality reads "x is greater than -2.5.
As for the check box questions, only B and C should be checked. The arrow points right, and the circle is open.
Let the three consecutive equals:
x, x+1, x+2
sum:
x+(x+1)+(x+2) = 36
3x + 3 = 36
x+1 = 36/3
x+1 = 12
x=12-1
x=11
Answer:
940,000
Step-by-step explanation:
Since there is a 6 in 936,292, that gives you the right to make the ten thousandth higher if that makes sense
Answer:
17.7 meters
Step-by-step explanation:
x = 30
15 + 0.09*30
0.09*30 = 2.7
2.7 + 15 = 17.7 meters