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jeka94
3 years ago
6

Terms that have the same variables raised to the same powers are called ___ terms. Example: 2x2y and 3x2y

Mathematics
1 answer:
77julia77 [94]3 years ago
6 0
The answer is like terms
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NEED HELP ASAP...
crimeas [40]
1) The dependent variable is the total cost.
2) The perimeter is 36 inches.

The dependent variable is the one that gets changed by the other one.  In this case, the total cost gets changed by the amount of fabric bought.

To find the perimeter:  

Since the ratios of the side length to perimeter is the same, we set up the ratio:
2/8 = 9/x

Cross multiply:
2*x = 8*9
2x = 72

Divide both sides by 2:
2x/2 = 72/2
x = 36
3 0
3 years ago
Name the property illustrated. 6 + 4 + 1 = 4 + 6 + 1
ikadub [295]

Answer:

distribuative property of addition

Step-by-step explanation:

3 0
3 years ago
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Which fraction is equivilent to -2/3
Vikki [24]

Answer:

-4/6, -6/9,- 8/12,-10/15

Step-by-step explanation:

hope it helps pls mark brainliest

3 0
3 years ago
For which values of a does ???? a a − 4<br> a + 4 a<br> ???? have an inverse matrix?
Aleks [24]

Answer:

A =  \dfrac{1}{16}\begin{bmatrix}a &-(a-4) \\ -(a+4) & a\end{bmatrix}

Step-by-step explanation:

given,

Matrix =

A = \begin{bmatrix}a &a-4 \\ a+4 & a\end{bmatrix}

determinant of matrix

|A| = a×a - (a-4)(a+4)

|A| = a² - a² +16

|A| = 16

inverse of the matrix

to calculate inverse of two matrix interchange the term a₁₁ with a₂₂ and multiply the -ve with a₁₂ and a₂₁

the inverse is

A =  \dfrac{1}{16}\begin{bmatrix}a &-(a-4) \\ -(a+4) & a\end{bmatrix}

6 0
4 years ago
Which of the following does not have triangular faces? A.icosahedron B.octahedron C.tetrahedron D.hexahedron
kramer
A <span> regular </span>icosahedron<span> is a 3D convex polyhedron with 20 faces, 30 edges and 12 vertices while a regular octahedron has 8 faces. A tetrahedron has 4 faces and is shaped like a pyramid. All of these have triangular bases. A regular hexahedron has six faces and a base of a square</span>
7 0
3 years ago
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