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ioda
3 years ago
6

The dimensions of a rectangle are 2x - 5 and 2x - 5. Which expression represents the area of the rectangle in simplest terms?

Mathematics
1 answer:
exis [7]3 years ago
4 0

Answer:

Step-by-step explanation:

(a - b)² = a² - 2ab +b²

Area of rectangle = length * width

                             = (2x - 5)(2x -5)

                             = (2x - 5)²

                            = (2x)² - 2*(2x)(5) + 5²

                             = 4x² - 20x + 25

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A website sells a dress at £40 and shoes at £32. The website has an offer: Buy a dress and shoes together and get 1/2 off the pr
tekilochka [14]

Answer:

\pounds36

Step-by-step explanation:

Cost of one dress = \pounds40

Cost of one pair of shoes = \pounds32

Cost of one dress and a pair of shoes is 40+32=\pounds72

They get half off the price because they buy both

\dfrac{72}{2}=\pounds32

The shipping and handling charge is \pounds4.

So, the total amount Ruth has to pay is 32+4=\pounds36.

6 0
3 years ago
Sofia knitted a rectangular Afghan that has an area of 24 square feet if the length of the Afghan is 2 yards what is the width i
Anna11 [10]

Answer:

12 yards

Step-by-step explanation:

Area= L x W

12x2=24

8 0
3 years ago
Heidi must correctly answer at least 80% of the questions on an exam to advance to the next
Oduvanchick [21]
Given:
must correctly answer 80% of the questions
correctly answered questions = 26
incorrectly answered questions = 4
unanswered questions = 15

Total questions = 26 + 4 + 15 = 45

45 * 80% = 36 required correctly answered questions.

36 - 26 = 10

Out of 15 remaining questions, 10 questions must be correctly answered for Heidi to advance to the next level.
3 0
4 years ago
You are having a party and have ordered 4 large cakes to serve 48 people. What fraction of the cake will each portion be? Into h
miskamm [114]

first you divide 48 by 4

48 ÷ 4 = 12

So each cake will need to be cut into 12 pieces

the answer \frac{1}{12} and 12 pieces

3 0
3 years ago
How do you solve #23?
scZoUnD [109]

Answer:

m= 67.5 and n=56.25

Step-by-step explanation:

  180-15=165

  165/2= 82.5

  90-15= 75

  75+75= 150

  180-150=30

  30+82.5= 112.5

  180- 112.5= 67.5

  m= 67.5

  180-67.5= 112.5

  112.5/2= 56.25

  n= 56.25

7 0
1 year ago
Read 2 more answers
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