Ask question

Ask question

All categories

3 years ago

11

How to graph circles

1 answer:

Lyrx [107]3 years ago

5 0

Answer:

${x}^{2} + {y}^{2} = {r}^{2}$

You might be interested in

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

Find g(x)-f(x). g(x)=x^2+1 and f(x)=2x+5

UkoKoshka [18]

Answer:

$g(x) - f(x) = x^{2} - 2x - 4$

Step-by-step explanation:

g(x) - f(x) = $(x^{2} + 1) - (2x + 5)$

<em><u>Multiply the -1 in then add the two expressions together.</u></em>

$(x^{2} + 1) + (-2x - 5) = x^{2} - 2x - 4$

8 0

3 years ago

Simplify y 2 + 4y - 16y + 3y 2.

lilavasa [31]

Answer:

-7y (2)

Step-by-step explanation:

8 0

3 years ago

18 less than the product of 42 and x write as an algebraic expression

Afina-wow [57]

Less than = subtraction = -
Product = multiplication

(42 + x) - 18

4 0

3 years ago

HELP EMERGENCY!!!! (2.5 x 10-10) (7 x 10-5)<br> Express your answer in scientific notation.

dangina [55]

Answer:

$1.75$ × $10^{-15}$

I hope this helps!

8 0

2 years ago