Answer:
45
Step-by-step explanation:
The known side is 3 times the length of the smaller figure. To make sure the figures remain similar, you must also multiply the longer side of the smaller figure(15) by 3. This will give you 45.
Answer:
7
Step-by-step explanation:
hope it helps
Answer:
c. 6
Step-by-step explanation:
I hope it helps you!
Answer:
2236.77 feets
Step-by-step explanation:
From the attached picture, we are to find x, which is the vertical depth of the submarine.
Using trigonometry based on the illustration in the diagram:
Sinθ = opposite / hypotenus
Sinθ = x (depth of submarine) / distance from ship (4000)
Hence,
Sinθ = x / 4000
θ = 34°
Sin34 = x / 4000
0.5591929 * 4000 = x
2236.7716 = x
Hence, depth of submarine = 2236.77 feets
X=20
3(x-1)-8=4(1+x)+5
1. Distribute
3x-3-8= 4+4x+5
2. Combine like terms
3x-11=4x+9
3. Add 11 or subtract 9 to both sides
3x-11+11=4x+9+11
or
3x-11-9=4x+9-9
3x=4x+20
or
3x-20=4x
If you did the first step then you subtract 4x from both sides
3x-4x=4x+20-4x
-x=20
Then you would divide by a negative 1 because there is an imagery 1 in front of the x.
-x/-1=20/-1
x=-20
If you did the second way then you would subtract 3x from both sides
3x-20-3x=4x-3x
-20=x
And you get the same answer for both ways