Kelli calls her grandmother every month.Every other month she calls her cousin. if Kelli calls her cousin in January how many calls will Kelli have made to her grandmother and cousin by the end of August?
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The flat surfaceson a rectangular prism are called faces because they form the exterior of the rectangularprism, and they are the only parts of the prism.
What is Three dimensional shape?
a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
A rectangularprism is a polyhedron with two congruent and parallel bases.
Rectangular prism is also called a cuboid
The flat surfaces on a rectangular prism are called faces because they form the exterior of the rectangular prism, and they are the only parts of the prism that can be seen from the outside.
Each face has two dimensions (length and width) and all six faces together form the rectangular prism's shape.
Hence, the flat surfaces on a rectangularprism are called faces because they form the exterior of the rectangular prism, and they are the only parts of the prism.
To learn more on Three dimensional figure click:
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Answer:
10
Step-by-step explanation:
If the average of x and y is 12
(x+y)/2 =12
x+y = 2*12
x+y =24
We want the average of x+y+z
(x+y+z)/3 =
We know x+y =24 and z =6
(24+6)/3
30/3
10
Answer:
10
Step-by-step explanation:
We know that the average of two numbers are the numbers divided by 2, right?
So the equation would be this
X + Y/2 = 12
x + y = 24, since 24 divided by 2 is 12.
You should add x (6) to 24 and wind up with 30
Now to get the average between those 3, divide by 30 by 3
you should get 10
Thank me later :)
(or just give brainliest)
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Answer:
A. 20
Step-by-step explanation:
- First we need find X.
- x = 7 (because we see question). f(g(7))
- Now we find g(x) = x - 3 => g(x) = 7 - 3
- Next we find f(x) = x² + x . We have f(4)
- f(4) = 4² + 4
- = 20
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Red
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Simplify both sides of the equation.
5x+2+6x+9=10x+5
(5x+6x)+(2+9)=10x+5(Combine Like Terms)
11x+11=10x+5
11x+11=10x+5
Subtract 10x from both sides.
11x+11−10x=10x+5−10x
x+11=5
Subtract 11 from both sides.
x+11−11=5−11
ANSWER: x=−6
5x+2+6x+9=10x+5
add like terms
11x + 11 = 10x + 5
11x + 11 - 11 = 10x + 5 - 11
11x = 10x - 6
11x - 10x = 10x - 10x - 6
x = -6 Answer
(w^3x^2y^2)(w^2x^3y)=w^5x^5y^3
12y^6
------- = 3y^3
4y^2
(a^3b^5)^2 = a^5b^7
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Simmilarly you can show that the third and fourth options are not correct.