Answer:
X= 2
Step-by-step explanation:
5x2=10
35 + 10 =45 which is the degree of the angle
Answer:
Moses got into the elevator at the 8th floor.
Step-by-step explanation:
Let's call the floor which Moses started at x. Going down decreases the floor number and going up increases the floor number. We then form the equation 
which is the same as 
which means 
. Moses got in at the 8th floor.
Answer:
1 = t
Step-by-step explanation:
add 2t to both sides which will leave you with 16 = 7t + 9 then you subtract 9 from both sides which leaves you with 7 = 7t so after that your going to divide by 7 on each side and you should have 1 = t
Step 1 3(2x+7)-4=53-3x given
step 2 6x+21-4=53-3x expanding
step 3 6x+17=53-3x adding (21-4)
step 4 9x+17=53 adding 3x to both parts
step 5 9x=36 subtracting 17 from both sides
step 6 x=4 divding by 9
The decimal place value is tenths
