You can solve by subtracting: 500-330

but I like to use mental math and think this way:
she has 330
70 more will give her 400
and 100 more will give her 500
100 + 70 is 170.

7 0

3 years ago

Graph the function on the coordinate plane.Type equation here.

gizmo_the_mogwai [7]

Wheres the graph top be able to help?

7 0

2 years ago

What is the multiplicative identity matrix? What is it similar to in the set of real numbers? Explain your answer

bagirrra123 [75]

Answer:

An identity matrix, is a matrix that have '1' in the main diagonal. All of the other terms are '0'. When you multiply any matrix by the identity matrix, the result is the same matrix that you multiplied.

Example:

$\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]$

In the set of the real number is the same that the application of identity property.

Every number multiplied by 1 es the same number.

Step-by-step explanation:

7 0

2 years ago

Solve each equation for the indicated variable g=a+c+b,for a

Mariulka [41]

Answer:

a= g-b-c

Step-by-step explanation:

g=a+c+b

g-b=a+c

g-b-c= a

a= g-b-c

3 0

3 years ago