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3 years ago

D. Solve the following problems:

Mathematics

1 answer:

hodyreva [135]3 years ago

3 0

Step-by-step explanation:

100 = 12

300 + 50 = 36 + 6 = 42 L

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The following table represents a proportional relation. Find the missing values:

SCORPION-xisa [38]

Answer:16288.xy

Step-by-step explanation:

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3 years ago

Math help please show work I will make brainlist if correct thanks

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Step-by-step explanation:

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3 years ago

1. two lines meet at a point. set up and solve an equation to find the value of x

Nikolay [14]

Answer: 1) 57 degrees

2) 50 degrees

3) a- 58 degrees, b- 32 degrees

Step-by-step explanation:

78, 52, and the number inbetween = 180

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3 years ago

Decompose 2/6 into 4 equal lengths

anyanavicka [17]

I'm not 100% sure, but I'm pretty sure it's 1/12, 1/12, 1/12, 1/12

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3 years ago

The planets move around the sun in elliptical orbits with the sun at one focus. The point in the orbit at which the planet is cl

gladu [14]

Consider the attached ellipse. Let the sun be at the right focus. Then perihelion is at right vertex on the x-axis and aphelion is at the left vertex on the x-axis.

The distances:

from perihelion to the sun in terms of ellipse is a-c;
from aphelion to the sun in terms of ellipse is a+c.

Then

$\left\{\begin{array}{l}a-c=741,000,000\\a+c=817,000,000\end{array}\right.$

Add these two equations:

$2a=1,558,000,000 \\ \\a=779,000,000$

and subtract first equation from the second:

$2c=76,000,000 \\ \\c=38,000,000.$

Note that $b=\sqrt{a^2-c^2},$ thus

$b=\sqrt{779,000,000^2-38,000,000^2}=\sqrt{605,397,000,000,000,000}.$

The equation for the planet's orbit is

$\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1\Rightarrow \dfrac{x^2}{606,841,000,000,000,000}+\dfrac{y^2}{605,397,000,000,000,000}=1.$

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3 years ago