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gtnhenbr [62]
2 years ago
7

Can u someone plz help me with this question

Mathematics
1 answer:
Natali5045456 [20]2 years ago
4 0

Answer:

x=\frac{11}{2} +\frac{1}{2} \sqrt{273}

Step-by-step explanation:

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Which pairs of angels in the figure below are vertical angles?​
Arada [10]
B has the pair that are vertical angles
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3 years ago
Factor the following polynomial completely. 5x4+20x3-105x2
worty [1.4K]

Answer:

5x^{2}(x+7)(x-3)

Step-by-step explanation:

5x4+20x3-105x2

5x2( x^2 +4x -21)

5x^{2}(x+7)(x-3)

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2 years ago
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Vera_Pavlovna [14]

Answer:

172.8

Step-by-step explanation:

24+18+5+3=50

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3 years ago
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A contractor is building a pool labeled ABCD on the plans. If AC = 5y + 6 and BD = 8y-3, what value of y ensures the pool is a r
KIM [24]

The value of y that ensures the pool is a rectangle is 3. Option D

<h3>How to determine the value</h3>

The formula for perimeter of a rectangle is expressed as;

Perimeter = 2 ( length + width)

It is important to note that parallel sides of a rectangle are congruent, that is, they are equal.

Given the sides as;

  • AC = 5y + 6
  • BD = 8y-3

5y + 6 = 8y -3

collect like terms

5y - 8y = -3 - 6

-3y = -9

Make 'y' the subject

y = 3

Thus, the value of y that ensures the pool is a rectangle is 3. Option D

Learn more about rectangles here:

brainly.com/question/25292087

#SPJ1

3 0
1 year ago
Which of the following is the result of expanding 4 £ n=1 (2n-3)
geniusboy [140]

Answer: 8

Step-by-step explanation: the given expression is 2n-3

so when n=1, we will get, 2(1)-3=2-3=-1

when n=2, we will get, 2(2)-3= 4-3=-1

when n=3, we will get 2(3)-3= 6-3=3

when n=4, we will get 2(4)-3 = 8-3=5

so the required result of expansion is -1+1+3+5=8

answer is 8.

hope that helped!

3 0
3 years ago
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