Given a=2, b=-5, c=0.5, d=-20 ... find abc, and 2d+10c

abc = 2 x -5 x 0.5= -10 x 0.5= -20 / 2= -10
2d+10c= 2(-20) + 10(0.5)= - 40 + 5= -35

JC
Answered by James C. Maths tutor

1386 Views

See similar Maths 13 Plus tutors

Related Maths 13 Plus answers

All answers ▸

If you go 38 hours without sleeping starting at 8 am, and then you sleep for the next 11 hours, what time will it be when you wake up?


A cake recipe for 4 people has the following ingredients: 150g of flour, 120g of sugar, 80g of butter, 20ml of milk, and 2 eggs. How much sugar do I need to bake a cake for 7 people?


Show that 3/10 + 2/15= 13/30


How do you add indices?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning