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3 years ago

The mass of an electron is approximately 9.1 x 10^-31 kilograms.

Mathematics

2 answers:

ella [17]3 years ago

8 0

B is the answer!!!!!!

Brut [27]3 years ago

5 0

Answer:

1900

Step-by-step explanation:

hello bro how r u i think answer is 1835 but there is no option

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Answer

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3 years ago

What are the roots to this quadratic equation?

myrzilka [38]

16x^2=9
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so the root of the quadratic equation are 3/4 and -3/4

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3 years ago

Find the value of x in the isosceles triangle shown below.

natima [27]

Answer:

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2 years ago

Find the amount in an account where $500 is invested at 2.5% compounded continuously for period of 10 years

Alex17521 [72]

500 *1.025^10 ≈ 640.04

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3 years ago

Write the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5)

Sedbober [7]

Answer: $\bold{y=-\dfrac{1}{3}x-1}$

<u>Step-by-step explanation:</u>

(4, 1) & (2, -5)

First, find the slope (m) and then the perpendicular (opposite reciprocal) slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\\m=\dfrac{-5-1}{2-4} = \dfrac{-6}{-2}=3\quad \rightarrow \quad m_{\perp}=-\dfrac{1}{3}\\$

Next, find the midpoint of (4, 1) and (2, -5):

$Midpoint=\bigg(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\bigg)\\\\\\.\qquad \qquad=\bigg(\dfrac{4+2}{2},\dfrac{1-5}{2}\bigg)\\\\\\.\qquad \qquad=\bigg(\dfrac{6}{2},\dfrac{-4}{2}\bigg)\\\\\\.\qquad \qquad=(3, -2)$

Lastly, input the perpendicular slope and the midpoint into the Point-Slope formula to find the equation of the line:

$y - y_1 = m_{\perp}(x - x_1)\\\\y - (-2) = -\dfrac{1}{3}(x - 3)\\\\y + 2=-\dfrac{1}{3}x +1\\\\y =-\dfrac{1}{3}x - 1\\$

6 0

2 years ago