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Assoli18 [71]
3 years ago
6

Which of the following is equivalent to the quadratic equation below after

Mathematics
1 answer:
Temka [501]3 years ago
3 0

Answer:

Step-by-step explanation:

x^2 + 10x + 5 - 30 = 0

x^2 + 10x - 25 = 0

x^2 + 10x = 25

x^2 + 10x + 25 = 25 + 25

(x + 5)^2 = 50 <====

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svlad2 [7]

Answer:

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Step-by-step explanation:

The diameter is 21, so the radius is 10.5. The area of a circle is πr^2, so 10.5^2π, or 110.25π. The pool is filled 9 inches from the top, so it is 3.5 feet - 9 inches high, 9 inches is 0.75 feet, so 2.75 feet filled. Now multiply 110.25π by 2.75 to get 303.1875π and then 952.4916, closer to 952 cubic feet.

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3 0
3 years ago
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ABC is a dilation image of DEF. What is the scale factor?
GrogVix [38]
The complete question in the attached figure

we know that
length side AB=8 units
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the answer is
the scale factor for a dilation image of DEF to obtain ABC is 2

4 0
4 years ago
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Answer:

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Step-by-step explanation:

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7 0
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coldgirl [10]

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