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ddd [48]
3 years ago
5

PLEASE HELP MEEEEEEREEEE ​

Mathematics
2 answers:
postnew [5]3 years ago
5 0

Answer:

-  \frac{5}{6}

Step-by-step explanation:

The first thing to do is solve for the root. A trick is to ignore the numerator and only focus on the denominator in the root. So it is a third root so you have to find out what multiplied by itself three times is 343. The correct answer for that is 7. So now we must introduce the numerator back, so it would be:

\frac{1}{7}

I'll show the new expression below.

\frac{1}{6}  - 7( \frac{1}{7} )

Second order of business is to multiply the second half of the expression. Easy enough the 7 cancels out the 1/7. New expression below.

\frac{1}{6}  - 1

Now just solve for that.

-  \frac{5}{6}

nevsk [136]3 years ago
4 0
Huh I can’t really see lol V
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HELP ME ASAP BRAINLY :)) How many sides does a polygon have if its total interior angle sum is 4 times its total exterior angle
Irina-Kira [14]

Answer:

Step-by-step explanation:

<h3>If you are given the interior angle, just subtract that from 180 to get the exterior angle and then use the number of sides = 360 / exterior angle to find the number of sides. it's much easier. the number of sides is equal to 10. the sum of the interior angles is equal to 10 * 144 = 1440 degrees.</h3>
3 0
3 years ago
Read 2 more answers
earth is approximately 9 x 10^7 miles from the sun. neptune is approximately 3x10^9 miles from the sun. neptune is approximately
Gelneren [198K]

Answer:

33 times

Step-by-step explanation:

Distance between Earth and the sun (D) = 9 × 10^{7} miles = 90,000,000 miles

Distance between Neptune and the sun (d) = 3 × 10^{9} miles = 3,000,000,000 miles

Find \frac{d}{D}.

\frac{d}{D}=\frac{3,000,000,000}{90,000,000}  =33.3 ≈ 33

Therefore,

Neptune is approximately 33 times farther from the sun than earth

8 0
3 years ago
PLEASE PLEASE PLEASE HELP
anygoal [31]

Answer:

<u>The answer is 21</u>

Step-by-step explanation:

cu = -3( 5, -12)

= -15 + 36

<em>= 21</em>

3 0
3 years ago
Cos (90-theta) • cosec90-theta) =tano. How?​
denis-greek [22]

Answer:

<u>______________________________________________________</u>

<u>TRIGONOMETRY IDENTITIES TO BE USED IN THE QUESTION :-</u>

For any right angled triangle with one angle α ,

  • \cos (90 - \alpha  ) = \sin \alpha  or  \sin(90 - \alpha ) = \cos\alpha
  • cosec \: (90 - \alpha  ) = \sec\alpha   or  \sec(90 - \alpha ) = cosec\:\alpha

<u>SOME GENERAL TRIGNOMETRIC FORMULAS :-</u>

  • <u></u>\sin \alpha = \frac{1}{cosec \: \alpha }  or  cosec \: \alpha  = \frac{1}{\sin \alpha }
  • <u></u>\cos \alpha = \frac{1}{\sec \alpha }  or  \sec \alpha = \frac{1}{\cos \alpha }

<u>______________________________________________________</u>

Now , lets come to the question.

In a right angled triangle , let one angle be α (in place of theta) .

So , lets solve L.H.S.

\cos (90 - \alpha ) \times cosec(90 - \alpha )

=> sin\alpha  \times \sec\alpha

=> \sin\alpha  \times \frac{1}{\cos\alpha }

=> \frac{\sin\alpha }{\cos\alpha }

=> \tan\alpha = R.H.S.

∴ L.H.S. = R.H.S. (Proved)

3 0
3 years ago
Factor the expression completely. which is a factor of the given expression?xy + y +3x + 3a) (y + 3)
aksik [14]
<span>xy + y +3x + 3
y(x + 1) + 3(x + 1)
(y + 3)(x + 1)

Factors: (y+3) and (x+1)</span>
7 0
4 years ago
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