3m2+6q
m2 is a like term so take the 9m2 from the 12m2
Answer:
-2x-2y=-8
-4x-8y=-20
From the 1st eqn
Dividing through by 2
you have
-x-y=-4
Multiply through by -(minus)
x+y=4
x=4-y
Substitute into eqn 2
-4x-8y=-20
-4(4-y)-8y=-20
-16 + 4y - 8y = -20
-4y = -20 +16
-4y = -4
y= 1
Substitute into any of the other eqn's to get x
x= 4-y
x= 4-1
x=3
Answer:
-3m-4n+14 (D)
Step-by-step explanation:
R-S+T=
<em>Substitute the Values given</em>
(11-2m)-(n+5)+(-m-3n+8)=
<em>Open Parenthesis</em>
11-2m-n-5-m-3n+8=
<em>Combine Like Terms</em>
-3m-4n+14
Answer:
x = 4
Step-by-step explanation:
We are to solve for;
-x = -4
A number (n) multiplied by x gives -4. What is the number?
n × x = -4
n is definitely equal to -1
So to get the value of x; we divide -4 by -1 to get 4
Therefore x = 4
Answer:
Step-by-step explanation:
Given that,
The radius of a cylinder, r = 5 cm
Height of the cylinder, h = 5 cm
We need to find the lateral surface area of the cylinder. The formula for the lateral surface area of the cylinder is given by :
Put all the values,
So, the lateral surface area of the cylinder is 
.
