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IRINA_888 [86]
3 years ago
6

(2n – 3)(5n+6) How do I solve this ?

Mathematics
2 answers:
nalin [4]3 years ago
5 0

Answer:

Step-by-step explanation:

(2n - 3)(5n + 6) = 2n*(5n + 6) -3*(5n +6)

=2n*5n + 2n*6 -3*5n + (-3)*6

=10n² + 12n - 15n - 18

= 10n² -3n - 18

Solnce55 [7]3 years ago
5 0

Answer:

5n + 30 = 2n - 2

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The length of a rectangle is 6 in longer than its width.if the perimeter of the rectangle is 68in find the length and width ?
wel

The length and the width of the rectangle are 20 and 14 inches respectively

<h3>How to find the length and width?</h3>

The given parameters are:

Length = 6 + Width

Perimeter = 68 inches

The perimeter of a rectangle is calculated as:

Perimeter = 2 * (Length + Width)

So, we have:

2 * (Length + Width) = 68

Divide both sides by 2

Length + Width = 34

Substitute Length = 6 + Width in Length + Width = 34

6 + Width + Width = 34

Evaluate the like terms

2 * Width = 28

Divide both sides by 2

Width = 14

Substitute Width = 14 in Length = 6 + Width

Length = 6 + 14

Evaluate

Length = 20

Hence, the length and the width of the rectangle are 20 and 14 inches respectively

Read more about perimeter at:

brainly.com/question/24571594

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6 0
1 year ago
If a pair of shoes cost $40 and they are on sale for 30% off how much would they be
yulyashka [42]

multiply 40 by 30% to find the discount then subtract

40 * 0.30 = 12

40-12 = 28

they would cost $28

6 0
3 years ago
The area of a tabletop is 48 square feet. the length is 3 times the width.if the dimensions are whole numbers, what is the width
posledela
(4 feet wide), 12 feet in length. 4*3=12    4*12=48
7 0
3 years ago
Question 2 Write the following paragraph proof as a two-column proof. Given: AB = CD and BC = DE Prove: AC = CE A B C D E We're
alex41 [277]

Answer: See below

Step-by-step explanation:

<u>Given:</u>

AB = CD and BC = DE

<u>To prove:</u>

AC = CE

            Statements                                       Reasons

  1. AB = CD                                                   Given
  2. AB + CB = CD + BC                Addition property of equality
  3. AB + BC = CD + DE                          Given: BC = DE
  4. AC = CE          By segment addition: AB + BC = AC and CD + DE = CE  

Therefore, AC = CE has been proved                

8 0
2 years ago
A manufacturing company with 450 employees begins a new product line and must increase their number of employees by 18% how many
Artemon [7]
The company will have a total number of 531 employees
5 0
2 years ago
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