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Inessa05 [86]
2 years ago
7

X2+4x+? = (x+?)2 Complete the square to form a true equation

Mathematics
2 answers:
siniylev [52]2 years ago
4 0

Answer:

Step-by-step explanation:

x^2 - 4 * x + 4 = (x - 2)^2.

Veseljchak [2.6K]2 years ago
4 0
Answer 4 and 2

Step by step exploration

x^2+4x+4 = (x+2)^2
(From formula (a+b)^2=a^2+2ab+b^2)
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Which is the equation in standard form of the line that contains points C and D
bogdanovich [222]
B, 3x-2y=2 in standard form is y=-1-3/-2x.
3 0
3 years ago
Two farmers each have triangular plots of land in the diagram below with approximate values shown for lengths in feet
Ray Of Light [21]

Answer:

  • a) Plots are similar
  • b) x= 5577 feet

Step-by-step explanation:

<em>Refer to attached</em>

<h3>Question</h3>
  • a) Are the plots of land similar?  
  • b) Find to the exact value of x and rounded to the nearest tenth?
<h3>Solution</h3>

The small triangle have missing angle of 180° - (52° + 58°) = 70°

This is indicating both triangles have same 3 angle measures.

Since all angles are same, the triangles are similar.

<u>Corresponding sides, against corresponding angles are:</u>

  • 6180 and 8240
  • x and 7436

<u>As per property of similarity, the ratio of corresponding sides is same</u>

  • 6180/8240 = x/7436
  • x = 6180*7436/8240
  • x = 5577 feet

4 0
3 years ago
Help please and thankyou &lt;3
Serjik [45]

The answer is D, because -2/3/2 = -4/3.

8 0
3 years ago
Read 2 more answers
Answer for the problem of 2 1/5+1 3/4
lions [1.4K]
The answer to this question is 3 19/20
4 0
3 years ago
Simplify the expression. 18a + 12x − 12a + 15x A) 6a + 27x B) 6a − 3x C) 30a − 18x D) −30 −3x
Vinvika [58]

Answer:

18a + 12x - 12a + 15x

6a + 27x

the answer is a

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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