priyankaamratl priyankaamratl
  • 03-06-2015
  • Mathematics
contestada

9 (a) Work out the value of 5c – d when c = 3 and d = 7

Respuesta :

SoapyMcTavish
SoapyMcTavish SoapyMcTavish
  • 03-06-2015
First thing you do, you replace every letter by it's value.
5c - d = 5*3 - 7

Then, you calculate. Always, the Priority is for Multiplication and division, then Subtraction and Addition. 
5*3 - 7 = 15 - 7

Then, you subtract
15 - 7 = 8

So, the answer  is 8

Hope this Helps :)

Answer Link

Otras preguntas

i hate this brainly thing so so so much
Mikaela purchased a paddleboard originally priced at $899. If all merchandise was on sa spent on the paddleboard? $385.67 $424.78 $578.51 $604.58
What element is in period 4, group 12?
True or false everyone in the colonies could vote
Omar has $660 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax. He buys a new bicycle for $330.64. He buys
Im struggling with these 2 problems
A one-day pass to an amusement park costs $40. A round-trip bus ticket to the park costs $5. Write two equivalent expressions to find the total cost of a one-da
change -23/20 into a deciamal
Which of the following statements best describes the formation of volcanoes?
Please help! will mark brainliest i need an explanation to each road,a,b,c. ​