Answer:
112 in^2
Step-by-step explanation:
Given data
Length =2in
Width= 4in
Height=8 in
The expression for the total surface area is
SA=2lw+2lh+2hw
SA= 2*2*4+2*2*8+ 2* 4*8
SA= 16+ 32+ 64
SA= 112 in^2
Hence the surface area is 112 in^2
Answer:
The values of x and y to the given equations are x=5 and y=7
Step-by-step explanation:
Given equations are 

To solve the given equations by elimination method :
Multiply the equation (1) into 2 we get

Multiply the equation (2) into 5 we get

Now subtracting the equations (3) and (4) we get


_________________


Therefore x=5
Now substitute the value of x=5 in equation (1) we get
4(5)-5y=-15
20-5y=-15
-5y=-15-20
-5y=-35

Therefore y=7
The values are x=5 and y=7
In the question, the angles proves that this triangle is an isoceles triangle.
So we can set the two sides equal:

Add

to both sides of the equation:

Divide both sides by 2:

We find that

. AC is also x, so, it is 6 too.
Answer:
Let's solve your equation step-by-step.
3x−4=2x+1
Step 1: Subtract 2x from both sides.
3x−4−2x=2x+1−2x
x−4=1
Step 2: Add 4 to both sides.
x−4+4=1+4
x=5
Answer:
x=5
Step-by-step explanation: