In minutes, he lifted for 465 minutes. There are 31 days in January. So 15 times 31 is 465 minutes. But since you want it in hours, divide 465 by 60 and you get 7
hours.
Okay so you would just set the equations equal to each other.
2x+71=5x-16
Solve that you get -3x=-87
Divide 87 by 3 and you get 29 :)
Hope this helps!
Answer:
3n² + 4n - n
3 x 7² + 4 x 7 - 7
first do the exponent because there is no parentheses
3 x 49 + 4 x 7 - 7
second do either multiplication or division with ever is closes to the left
147 + 4 x 7 - 7
147 + 28 - 7
third do either addition or subtraction which ever is closes to the left
175 -7
168
finally the answer is 168
Answer:
omg thanks
Step-by-step explanation:
Y=5x-2
i’m assuming gradient means slope and you put the slope number next to x and the y-intercept at the end