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kkurt [141]
3 years ago
6

I need help with number 35

Mathematics
1 answer:
Lyrx [107]3 years ago
3 0

Answer:

Step 1       Distributive Property

Step 2      Associative Property

Step 3      Multiplication Rule

Step 4      Zero Exponent Rule    

Step 5      Definition of an Exponent

Step-by-step explanation:

To evaluate or simplify expressions with exponents, we use exponent rules.  

1. An exponent is only a short cut for multiplication. It simplifies how we write the expression.

2. Multiplication Rule: When we multiply terms with the same bases, we add exponents.

3. Division Rule: When we divide terms with the same bases, we subtract exponents.

4. Zero Exponent Rule: When we have a base to the exponent of 0, it is 1.

5. Negative Exponent Rule: A negative exponent creates a fraction.

6. Power to a Power Rule: When we raise an exponent to an exponent, we multiply exponents.

7. Distributive Property: When we have exponents with parenthesis, we apply it to everything in the parenthesis.

Step 1       Distributive Property

Step 2      Associative Property

Step 3      Multiplication Rule

Step 4      Zero Exponent Rule    

Step 5      Definition of an Exponent

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pictured below are stacks of solid cubes. determine the number of cubes in the stack and the number of faces glued together.
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Solution

For this case we need to find the number of cubes in the stack given so then we can do this:

The first line present 5 cubes

The second line present 5 cubes

And the last line we got:

10 cubes

Then the total of cubes are:

10 +5+5 = 20 cubes

If we need to find the number of faces we can do the following:

5+ 4+ 4+4 +4 +1 + (5+4+4+4+4+1 ) + (5+4+4+4+4+1 ) + (5+ 4+4+4 +4 )

And solving we got:

22+22+ 22+21= 87

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Nadusha1986 [10]

Answer:

The value of a is 10.

Step-by-step explanation:

We are given with the following pair of the linear system of equations below;

y = -x+9  and   y = 0.5x-6.

Also, the solution is given as (a, -1).

To find the value of 'a', we have to substitute the solution in the equation because it is stated that (a, -1) is the solution of the given two equations.

So, the x coordinate value of the solution is a and the y coordinate value of the solution is (-1).

First, taking the equation;

y = -x+9

Put the value of x = a and y = -1;

(-1) = -(a) + 9

a = 9 + 1 = 10

Now, taking the second equation;

y = 0.5x-6

Put the value of x = a and y = -1;

(-1) = 0.5(a)-6

0.5a = 6 - 1

0.5a = 5

a=\frac{5}{0.5}

a = 10

Since we get the value of a = 10 from the equations, so the value of a is 10.

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Y= mx + b is used to find the equation of the line

m=-4 a d b= 2

So, you put them into the equation.

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