10^2 = 100
100-36 = 64
ANSWER: 64
You asked a question similar to this recently. This time I will show the multiplication and subtraction method instead of the substitution one.
2x-5y=-5 | x+2y=11
2x-5y=-5 | 2x+4y=22
Subtract the first equation form the second.
9y=27
y=3
Then substitute.
x+2(3)=11
x+6=11
x=5
The final answer is the ordered pair (5,3).
Answer:
3(3x+7)
Step-by-step explanation:
9x+21=3(3x+7)
The total surface area of the given pyramid is:
A = 39ft²
<h3>
How to get the surface area of the given figure?</h3>
The total surface area will be equal to the sum of the areas of the square and the 4 triangles.
Remember that for a square of side length S, the area is:
A = S².
In this case, S = 3ft, then:
A = (3ft)² = 9ft².
Now, the area of a triangle of base B and height H is:
A = B*H/2.
Here we can see that the triangles have a base of 3ft (the sides of the square) and a height of 5ft, then the area of each triangle is:
A = (3ft)*(5ft)/2 = 7.5 ft²
Then the total area of the figure is:
A = 4*(7.5 ft²) + 9ft² = 39ft²
If you want to learn more about pyramids:
brainly.com/question/10042135
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There is no coordination on a baby losing his teeth it just happens