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trasher [3.6K]
3 years ago
10

Use this figure to find the value of ∠FOD

Mathematics
1 answer:
mixer [17]3 years ago
8 0
The answer is B
Since you know that BOD is a right angle add 12 And 15 and subtract your answer from 90

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100 points+Brainliest for correct answer
goblinko [34]

Answer:

The electron moved down to an energy level and has an energy of

10.92 \times 10^{-19} \textsf{J}

Step-by-step explanation:

\textsf{initial energy level of electron}= 16.32 \times 10^{-19} \textsf{J}

\triangle E =\textsf{energy released}= 5.4 \times 10^{-19} \textsf{J}

A positive energy change means that the electron absorbs energy, while a negative energy change implies a release of energy from the electron.

Therefore, when an electron absorbs energy, the electron moves up to higher energy levels, and when an electron releases energy, it moves to lower energy levels.

\triangle E=E_2-E_1

\implies 5.4 \times 10^{-19} = 16.32 \times 10^{-19} -E_1

\implies E_1= 16.32 \times 10^{-19} -5.4 \times 10^{-19}

\implies E_1= 10.92 \times 10^{-19}

<u>Answer</u>:

The electron moved down to an energy level and has an energy of

10.92 \times 10^{-19} \textsf{J}

6 0
2 years ago
connor bought 40 pencils for 0.35 each. Mara bought 70 pencils at the same price. how much more money did Mara spend?
Eduardwww [97]
$10.50... multiply each quantity by .35cnts...$24.50-$14.00=$10.50
3 0
3 years ago
________ is a method used to express extremely large or small numbers in a more practical method. Please watch your spelling.
Aleksandr [31]

We would call it scientific notation

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7 0
2 years ago
Read 2 more answers
2 + (-6)<br><br> HELP PLEASE !!
kirill115 [55]

Step-by-step explanation:

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MARK AS BRAINLIEST...........

4 0
2 years ago
Read 2 more answers
14(0.89)^x+4.5 =162
lisabon 2012 [21]
14(0.89)^{x + 4.5} = 162
\frac{14(0.89)^{x + 4.5}}{14} = \frac{162}{14}
0.89^{x + 4.5} = 11\frac{4}{7}
ln(0.89^{x + 4.5}) = ln(11\frac{4}{7})
(x + 4.5)ln(0.89) = ln(11\frac{4}{7})
\frac{(x + 4.5)ln(0.89)}{ln(0.89)} = \frac{ln(11\frac{4}{7})}{ln(0.89)}
x + 4.5 = -2101.14032500
x = 2105.64032500
3 0
3 years ago
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