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3 years ago

Which fraction is NOT equivalent to the point shown on the number line?

Mathematics

1 answer:

GenaCL600 [577]3 years ago

5 0

Answer:

10/12

Step-by-step explanation:

10/12 is not a multiple or a factor of 3/5

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What are the defining properties of a parallelogram?

Anastaziya [24]

Answer:

Four sides

2 sets of parallel sides

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3 years ago

CAN SOMEONE JUST PLEASE ANSWER THIS ASAP FOR BRAINLIEST!!’

sesenic [268]

ANSWER

The three expressions are

$V = 2(9 - {b}^{3} )(9 + {b}^{3} )$

EXPLANATION

We were given the volume in cubic units to

$V = 162 - 2 {b}^{6}$

If we factor 2, we get,

$V = 2(81 - {b}^{6} )$

The expression in parenthesis is a difference of two squares. But you may not recognize it at first sight.

$V = 2( {9}^{2} - ({b}^{3})^{2} )$

This further gives us.

$V = (2)(9 - {b}^{3} )(9 + {b}^{3} )$

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3 years ago

What does simplify mean in math?

Law Incorporation [45]

Simplify in Math, like in English, means to make as simple as possible - as "down to the roots as possible".

In the example = 36 + 10 . To simplify fully would be = 46 since that is as simple as it gets.

In algebra, to simplify fully might involve 14 = 2x, where to simplify fully would be to find x (x = 7)

5 0

3 years ago

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Solve the system by using elementary row operations on the equations. Follow the systematic elimination procedure

Umnica [9.8K]

Answer:

The solution of the Given matrix

( x₁ , x ₂ ) = ( - 5 , 4 )

Step-by-step explanation:

Step(i):-

Given equations are x₁+4 x₂ = 11 ...(i)

2 x₁ + 7 x₂= 18 ...(ii)

The matrix form

A X = B

$\left[\begin{array}{ccc}1&4\\2&7\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}11\\8\\\end{array}\right]$

Step(ii):-

$\left[\begin{array}{ccc}1&4\\2&7\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}11\\8\\\end{array}\right]$

The Augmented Matrix form is

$[AB] = \left[\begin{array}{ccc}1&4&11\\2&7&18\\\end{array}\right]$

Apply Row operations, R₂ → R₂-2 R₁

$[AB] = \left[\begin{array}{ccc}1&4&11\\0&-1&-4\\\end{array}\right]$

The matrix form

$\left[\begin{array}{ccc}1&4\\0&-1\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}11\\-4\\\end{array}\right]$

The equations are

x₁ + 4 x₂ = 11 ...(a)

- x ₂ = - 4

x ₂ = 4

Substitute x ₂ = 4 in equation (a)

x₁ + 4 x₂ = 11

x₁ = 11 - 16

x₁ = -5

Final answer:-

The solution of the Given matrix

( x₁ , x ₂ ) = ( - 5 , 4 )

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3 years ago

What is 68 billion written as in scientific notation

liraira [26]

Its just simply 6.8*10^10

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3 years ago

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