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n200080 [17]
2 years ago
10

Hello everyone, I hope you had a great day, I need help on this please, thanks.

Mathematics
2 answers:
Goryan [66]2 years ago
5 0
I think the correct answer is D.

Because 8 is the same as 8/1 -> 8/1 x 1/4 is 8/4 or 2

Please mark brainiest :))
Shalnov [3]2 years ago
4 0

Answer:

A

Step-by-step explanation:

A. is the only correct solution to this question because you can also see that if we take 8 and divide this by 32 we get 1/4, so we know it is true.

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Write an equation and solve this problem: Seventy is what percent of 50?
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3 years ago
Find the discriminant and the number of real roots for this equation.
Margaret [11]

Our discriminant is 0 so, 4x^2 + 12x + 9 = 0 has one real root.

Option C is correct.

Step-by-step explanation:

we need to find the discriminant and the number of real roots for the following equation:

4x^2 + 12x + 9 = 0

The discriminant is found by using square root part of quadratic formula:

b^2-4ac

where b =12, a=4 and c=9

Putting values:

=b^2-4ac\\=(12)^2-4(4)(9)\\=144-144\\=0

To find out the number of real roots using discriminant we have following rules:

  • if discriminant b^2-4ac >0 then 2 real roots
  • if discriminant b^2-4ac =0 then 1 real root
  • if discriminant b^2-4ac <0 then no real roots

Since our discriminant b^2-4ac is 0 so, 4x^2 + 12x + 9 = 0 has one real root.

Option C is correct.

Keywords: discriminant

Learn more about discriminant at:

  • brainly.com/question/8196933
  • brainly.com/question/9328925
  • brainly.com/question/4853862

#learnwithBrainly

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3 years ago
A rectangle with length 16cm and width 12cm is inscribed in a circle.What is the area of the region inside the circle and outsid
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22/7×10×10
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3 years ago
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