Answer:
f. 2x+13
Step-by-step explanation:
X = 2 because 2+1=3 and if you want 5 then 5 - 3 = 2 so x=2
Answer:
- 1296 pounds per square inch
Step-by-step explanation:
<u>Direct variation equation:</u>
<u>In this case it is:</u>
- y = kx², where y- strength, x- depth of the beam, k- coefficient
<u>Substitute the given values and solve for k:</u>
- 3600 = k*10²
- 3600 = 100k
- k = 3600/100
- k = 36
<u>The equation becomes:</u>
<u>Now, find the value of y, when x is 6:</u>
<u><em>Note, I took the depth as 6 inches but the question is a bit confusing by saying "four six inches". If it is 4 inches then your answer will be:</em></u>
Answer:
x = 11
Step-by-step explanation:
10x = 4x + 66
10x - 4x = 66
6x = 66
x = 66/6
x= 11