Answer:
4.2846*10^2
Step-by-step explanation:
428.46
4.2846*10^2 hopefully
Answer:10
Step-by-step explanation:
2+4+6+.....+20- (1+3+5+7+...+19)=(2-1)+(4-3)+(6-5)+....+(20-19)=1+1+...+1 ( de 10 ori= 10 times)
=10
3(2x+1) = 7-2(x+5)
6x+3 = 7-2x-10
-3 -3
6x = 7-2x-10-3
+2x +2x
8x = -6
---- -----
8 8
x = -3/4
Replace x with -4 so it would be:
f(-4)= 2(-4)=-8
-8 is your answer
Answer:
26 miles per houre
Step-by-step explanation:
sow you put 450 amd 3.4 so you subtract but first you gat to put on the 45.0 -3.4 and then you git youre answred