Answer:
49x+36
Step-by-step explanation:
Hey There!
for this question they would like you to simplify the expression using distributive property
To do this the first step is to distribute the 9 in to everything that is in the parenthesis
9x5x=45x
9x4=36
so now we have
45x+36+4x
the next step is to combine like terms
the only like terms in the expression are 45x and 4x so we just add the two together
45x+4x=49x
so now we have 49x+36
In conclusions the simplified version of that expression is 49x+36
Answer: 390 calls
Step-by-step explanation:
13/2= 6.5
6.5 x 60 min= 390
Answer:
153.9
Step-by-step explanation:
Area of a circle formula:
Pi*r*r of Pi*r^2
pi*7*7= Area of circle
pi*49
49* 3.14 is around 153.86 which is around 153.9
Unless there has been a mistake in calculating the price, the only other explanation that the price for the item has been increased to a total of 108 - 90 = $18
Part A: Charlie's answer is incorrect
In step 2 of Charlie's answer he subtracted 5 from each side. Since 5x is multiplication, he must DIVIDE each side by 5 to get x by itself. The problem should have worked out like this...
Step 1: 5x = 30
Step 2: x = 30/5
Step 3: x = 6
Part B: There is only 1 solution for this problem.
