3 years ago

Write using only positive exponents

Mathematics

2 answers:

eimsori [14]3 years ago

6 0

Answer:

Step-by-step explanation:

sattari [20]3 years ago

5 0

Answer:

OOF! IT DIDNT PUT MY ANSWER! SORRYYY!

(The answer is C ^.^')

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Use the quadratic formula to find the exact solutions of x2 − 9x + 5 = 0.

Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

All those words, when the math is so much clearer!

x = (9±√(9^2-4*1*5))/2 = (9±√101)/2

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3 years ago

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PLEASE DO NOT BE NONSENSE

gayaneshka [121]

7. 18.3 divided by 4 is 4.575. 4.575 is closest to 4.5 which would be our answer

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Heidi has an average score of 78 for her first six chemistry tests. If Heidi"s scores for the first four tests were 82,78,87, an

elixir [45]

Answer:

(A)74

Explanation:

Let her average score on the last two tests = x.

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Since the average score for her first six chemistry tests = 78

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We then solve for x.

$\begin{gathered} 320+2x=78\times6 \\ 320+2x=468 \\ 2x=468-320 \\ 2x=148 \\ x=\frac{148}{2} \\ x=74 \end{gathered}$

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10 months ago

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Answer:

B. 7.967

Step-by-step explanation:

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