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Sedaia [141]
3 years ago
12

-2(x - 2) - 4x = 3(x + 1) - 9x

Mathematics
1 answer:
dolphi86 [110]3 years ago
7 0

1. no solution

2. indefinite

3.no solution

4.indefinite

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Answer please need help with this
allsm [11]

Answer:

n = - \frac{13}{8}

Step-by-step explanation:

Given

- 8n = 13 ( divide both sides by - 8 )

n = \frac{13}{-8} = - \frac{13}{8}

6 0
3 years ago
Need answer asap!!!!!<br><br> how would i solve this?
lesya [120]

The height of the building to the nearest tenth of a meter is; 13 m

<h3>How to make use of Cosine Rule?</h3>

The slant line from the top of Trevor's head to the base of the building is gotten from Pythagoras theorem;

15/x = sin 36°

x = 15/sin 36

x = 25.52 m

Angle between that slant line and base of building is;

90 - tan⁻¹(1.5/14) = θ

θ = 83.88°

Remaining angle of the bigger triangle is;

180 - (36 + 83.88) = 60.12°

Thus, if the height of the building is h, then;

h/sin 36 = 25.52/sin 60.12

h = 13 m

Read more about Cosine Rule at; brainly.com/question/4372174

#SPJ1

5 0
1 year ago
Help please not much time!!!!
Rzqust [24]

Answer:

I'm here! This Problem is easy :) The answer is 4

Step-by-step explanation:

2x+10=5x−2

<em>Subtract </em>5x from both sides

2x+10−5x=−2

<em>Combine</em> 2x and −5x to get −3x.

−3x+10=−2

Subtract 10 from <em>both sides.</em>

−3x=−12

<em>Divide</em> both sides by −3.

Divide −12 by −3 to get 4.

x=\frac{-12}{-4}

x = 4 (D)

7 0
3 years ago
Make r the subject of the formula <br><img src="https://tex.z-dn.net/?f=v%20%3D%20%5Cpi%20%5C%3A%20h%20%7B%7D%5E%7B2%7D%28r%20-%
Vaselesa [24]

Answer:

\boxed{r =  \frac{h}{3}  +  \frac{v}{\pi {h}^{2} } }

Step-by-step explanation:

Solve \:  for \:  r:  \\  =  >   v= \pi {h}^{2}(r -  \frac{h}{3}  ) \\  \\  v=\pi {h}^{2}(r -  \frac{h}{3}  )is \:  equivalent  \: to   \:   {h}^{2}\pi(r -  \frac{h}{3}  ) = v: \\  =  >  {h}^{2}\pi(r -  \frac{h}{3}  ) = v \\  \\ Divide  \: both \:  sides  \: by  \: \pi  {h}^{2} :  \\  =  > r -  \frac{h}{3}  =  \frac{v}{\pi {h}^{2} }  \\  \\ Add \:   \frac{h}{3}  \:  to  \: both \:  sides:  \\  =  > r =  \frac{h}{3}  +  \frac{v}{\pi {h}^{2} }

8 0
2 years ago
Help me please solve the following equation for x.
wlad13 [49]

Answer:

x = 13

x = -5

Step-by-step explanation:

\frac{(x-4)^2}{3}-13=14\\\frac{(x-4)^2}{3}=27\\(x-4)^2=81\\x-4=\sqrt{81}\\\\ x-4=9\\x=13\\\\x-4=-9\\x=-5

5 0
2 years ago
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