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2 years ago

0.167 (7 repeating) as a fraction. STEP BY STEP!!!

Mathematics

2 answers:

Natali5045456 [20]2 years ago

4 0

Make an equation where x is equal to the decimal:

Equation 1: x = 0.167 ( 7 repeating)

Multiply both sides by 10:

Equation 2: 10x = 1.67 (7 repeating)

Subtract equation 1 from equation 2:

10x = 1.67 - x = 0.167 = 9x = 1.51

Solve for x:

x = 1.51 /9

Eliminate the decimal by multiplying by 100:

x = 151/900

Answer: 151/900

Tpy6a [65]2 years ago

3 0

Answer:

1677 Repeating / 1000

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blondinia [14]

Answer:

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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

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

7 0

3 years ago

Find the value of each expression.<br> 6b2 – 5 if b = 3

snow_tiger [21]

The answer should be 31, if I’m doing this correctly.
6(3)2-5 (multiply 6 and 3, you get 18)
18(2)-5 (multiply 18 and 2, you get 36)
36-5 (subtract 36 and 5)
31

3 0

2 years ago

Read 2 more answers

Struggling please help me anyone ‍♂️

asambeis [7]

Answer:

x-5

Step-by-step explanation:

So glad I could help! Here's why well we do definitely need to factor the area.

Because when factoring we have to expressions multiplying by each other.

A=LxW

Factored Expression=(x+5)(x-5)

See now it's LxW.

IF that makes sense and helped you please hit Thank button!

Also mark brainliest answer.

Glad I could help!

8 0

3 years ago

Geometry | Surface Area | Need Help On One!

astraxan [27]

Answer: the answer is ccc

Step-by-step explanation: hey

4 0

3 years ago