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Mandarinka [93]
4 years ago
6

An online video store charges $24 for each DVD. Shipping costs $4 per order. Write a variable expression for the cost of orderin

g d DVDs. Find the cost of ordering 3 DVDs.
Mathematics
1 answer:
svp [43]4 years ago
3 0

Answer:

24d+4

Step-by-step explanation:

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Write the percent of free space on the computer as a decimal.
Nataly [62]

Answer:

It would be .75

Step-by-step explanation:

75% as a decimal would be .75

so .75 would be your answer

7 0
3 years ago
Read 2 more answers
Solve the quadratic equation by factoring:
xenn [34]
T=4,t=2 I am pretty sure that is ur answer
3 0
3 years ago
Equations & Circles pt2
bezimeni [28]
(X+3)^2+(y-2)^2= 16
The formula is (x-h)^2+(y-k)^2=r^2
3 0
3 years ago
What is 4(5n-7)=10n+2?variables on both sides
forsale [732]

Example:

About "Solving equations with variables on both sides"

Solving equations with variables on both sides :

To solve equations with variables on both sides, we have to bring the variables to the left side of equal sign and the numbers which or not having the variables, that is constants to the right side of equal sign.

Solving Equations with Variables on Both Sides - Steps

Step 1 :

Use the Distributive Property to remove the grouping symbols.

Step 2 :

Simplify the expressions on each side of the equals sign.

Step 3 :

Use the Addition and/or Subtraction Properties of Equality to get the variables on one side of the equals sign and the numbers without variables on the other side of the equals sign.

Step 4 :

Simplify the expressions on each side of the equals sign.

Step 5 :

Use the Multiplication or Division Property of Equality to solve.

If the solution results in a false statement, there is no solution of the equation.

If the solution results in an identity, the solution is all numbers.

Solving Equations with Variables on Both Sides -Examples

Example 1 :

Solve the following equation. Then check the solution.

5t - 9  =  -3t + 7

Solution :

5t - 9  =  -3t + 7

In order to get rid of -3t, we have to add 3t on both sides.

5t + 3t - 9  =  -3t + 3t + 7

8t - 9  =  7

In order to get rid of -9, add 9 on both sides

8t - 9 + 9  =  7 + 9

8t  =  16

Divide by 8 on both sides

8t/8  =  16/8

t  =  2

Hope this helps you understand better!

(It is not the answer but it is an example so hope this helps and please give me Brainliest)

3 0
4 years ago
What is the value of B??
Maurinko [17]
The answer is 3.75.

Since the length of 'b' is one-half that of 7.5 based on the diagram (we know this because the partial radii connecting the two lines, or chords, are the same length, meaning the two chords are equal);

   <u>7.5</u>      ⇒   3.75<u>
</u>    2
<u>
</u><em>Hope that helps.</em><u>
</u>
7 0
3 years ago
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