Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3
the number is 3
Answer:
k=13.8
Step-by-step explanation:
Given function:
- 2.5k+47.4=81.9
- to find k..
<u><em>Subtract final and middle value:</em></u>
<em><u>Divide by 2.5:</u></em>
Therefore, k=13.8..
Answer:-7
Step-by-step explanation:do absolute value first and then put the negative sign
Bring them to the same denominator and solve for x
Hey there Altagraciasouth :)
Significant Figure Question:
**Question 4162 to 3 SF
Explanation:
We first have to look for the third number in 4162. That would be 62!
So we round 62 to the nearest ten. Which gives us 60!
**Answer: 4160
Hope this helped :)