10 because 7 x 3 = 21 and 7 + 3 = 10 so your answer is 10
Answer:
753
Step-by-step explanation:
m^2 =700^2 +460^-2 −2(700)(460)cos78
m^2 = 490000+211600-2(700)(460)(0.207912)
m^2 = 490000+211600-133895.12889
m^2 = 567704.87111
m=753.462=753
Answer:
2 1/2 (2.5)
Step-by-step explanation:
Multiply all the numbers then divide by 1/2
4x-1=18
4x=18+1
4x=19
x=19/4
Either A or B... Hope this helps....
