Answer:
-19
Step-by-step explanation:
Use the geometric ratio r=a2/a1
So 117/-13 = -9
-13*-9= 117
117*-9= -1053
The first one:
5v + 3 = 5v - 5
Subtract 5v from both sides ->
3 = -5
This isn't true so that means there are no solutions...
Answer:
The amount earned by Josie was $13.75 and the amount earned by her brother was $16.25
Step-by-step explanation:
Let
x ----> amount earned by Josie
y ---> amount earned by her brother
we know that
------> equation A
-----> equation B
Solve the system by substitution
Substitute equation A in equation B
solve for y
Find the value of x
therefore
The amount earned by Josie was $13.75 and the amount earned by her brother was $16.25
Answer:
Approximately revolutions (rounded to the nearest whole number.)
Step-by-step explanation:
Convert the diameter of this wheel to meters: .
Circumference of this wheel:
.
Distance travelled in one hour:
.
Number of revolutions required for covering that distance:
.