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Vladimir [108]
3 years ago
6

Given: 4n^2 + 25 = -20x, what is the value of the discriminant?

Mathematics
1 answer:
worty [1.4K]3 years ago
4 0
I hope this helps you

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What is a formula for the nth term of the given sequence?<br> 36, 24, 16...
SpyIntel [72]

Answer:

The formula to find the nth term of the given sequence is 54 · \frac{2}{3} ^{n}

Step-by-step explanation:

The formula for nth term of an geometric progression is :

a_{n} = \frac{a_{1}(r^{n})}{r}

In this example, we have a_{1} = 36 (the first term in the sequence) and

r = \frac{2}{3} (the rate in which the sequence is changing).

Knowing what the values for r and a_{1} are, now we can solve.

a_{n} = \frac{a_{1}(r^{n})}{r} = \frac{36 (\frac{2}{3} ^{n}) }{\frac{2}{3} } = 54 · \frac{2}{3} ^{n}

Therefore, the formula to find the nth term of the given sequence is

54 · \frac{2}{3} ^{n}

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2 years ago
Rebecca owns nonfiction books and fiction books. The ratio of nonfiction books to fiction is 7:2. Rebecca owns 54 books. How man
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Answer:

42 books

Step-by-step explanation:

The ratio percent for nonfiction is 0.78%

You multiply the amount of book by the percent that is nonfiction which give you the answer of 42.

54(0.78) = 42

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2 years ago
High beam headlights must not be used within
faust18 [17]
What’s The Question Again ?
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I need.help please
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It is 100 times greater


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Rewrite 12%as a common fraction in a simple form<br>​
Zigmanuir [339]

Answer:

3/25

Step-by-step explanation:

12% = \frac{12}{100}=\frac{4*3}{4*25}=\frac{3}{25}

Convert percentage to fraction and then simplify

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