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mrs_skeptik [129]
3 years ago
14

Using the rules for special cases, what is the result of?

Mathematics
2 answers:
Arlecino [84]3 years ago
8 0

Answer:

C) 4x^2 -8x +4[/tex]

Step-by-step explanation:

(-2x+2)^2

we apply (a+b)^2 formula

(a+b)^2 = a^2 + 2ab +b^2

a= -2x  and b= 2

Replace 'a' with -2x  and 'b' with 2

(-2x+2)^2 = (-2x)^2 + 2(-2x)(2) +2^2

(-2x)^2 is 4x^2

(-2x+2)^2 = 4x^2 -8x +4

option C is the answer



lakkis [162]3 years ago
5 0

Answer:

The correct answer is Option C 4x² -8x + 4

Step-by-step explanation:

(a + b)² = a² +  2ab + b²

<u>To find (-2x + 2)²</u>

Here a = -2x and b = 2

(-2x - 2)² = (-2x)² + 2*(-2x)*2 + 2²

(-2x - 2)² = 4x² -8x + 4

Therefore the correct  answer is option C . 4x² -8x + 4

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Kesha has scored 85 92 84 71 and 94 on her previous five Tess what score did she just she need to receive an excess of the avera
morpeh [17]

85+92+84+71+94+x /6>86

Multiply both sides by 6

426+x>516

Subtract 426 from both sides

X>90

8 0
3 years ago
Three friends recorded, in different units, the lengths of the hopscotch paths they made.
ivann1987 [24]

From the options given, Dustin's hopscotch path was the longest in comparison to the other two friends.

<h3>How to find out who had the longest path?</h3>
  • Make sure all distances use the same units.
  • If necessary convert the distances.
  • Compare the distances.

Based on this, let's make sure all distances are in feet.

  • Cassey: 94 feet

  • Jasmin: 1100 in or 91.66 feet
  • Each inch is equivalent to 0.0833
  • 1100 x 0.0833 = 91.66

  • Dustin: 32 yards or 96 feet
  • 1 yard = 3 feet
  • 32 x 2 = 96 feet

Based on this, the person with the longest path is Dustin.

Learn more about distances in: brainly.com/question/15172156

#SPJ1

5 0
1 year ago
F) Two numbers are in the ratio 5:4. If they differ by 12, what are the numbers?
Iteru [2.4K]

Answer:

First number = 60 and another number = 48

Step-by-step explanation:

Let two numbers are 5x and 4x.

The two number are differ by 12. We need to find the numbers.

ATQ,

5x-4x = 12

x = 12

Now first number = 5x

= 5(12)

= 60

Other number = 4x

= 4(12)

= 48

Hence, the numbers are 60 and 48.

8 0
3 years ago
Lindsey earns 5% commission off all sales in the clothing boutique she works at. If a customer bought $124.50 in merchandise, ho
goldenfox [79]

Answer:

Choice C: 6.23

Step-by-step explanation:

\frac{5}{100} = \frac{x}{124.50} -----> cross multiply

5(124.50) = 100x

622.5 = 100x

\frac{622.5}{100} = \frac{100x}{100}

6.225 = x

6.225 rounded to the nearest hundredth is 6.23

She earned 6.23 commission.

4 0
3 years ago
2x -2 = -200 <br><br><br> whats the value of x
Elden [556K]

Answer:

Step-by-step explanation:

2x - 2 = - 200

Bringing like terms on one side

2x = - 200 + 2 = - 198

2x = - 198

x = - 198/2 = - 99

4 0
3 years ago
Read 2 more answers
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