Answer:
X = 0.272
Step-by-step explanation:
Firstly, use a common log on the 25 to undo it. Secondly, use the log25(144) on the other side to get ~ 0.54. Move the 1 over with subtraction and then divide out the 2. This will leave you with X= 0.272
Answer:
78.75
Step-by-step explanation:
75% of 45 is 33.75
45+33.75 = 78.75
You just multiply 7 x 20 and you will get the answer of 140 then just add two zeroes to get 14000.
I know a would be 40ft for Rachael and 50ft for Clare but I’m not completely sure about b
Answer:
= 45 miles per hour
Step-by-step explanation:
First, we want a unit rate where 1 is in the denominator.
So we divide,
180 miles/ 4 hours both ÷ by 4
= 45 miles/ 1 hour
= 45 miles/ hour
= 45 miles per hour