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choli [55]
2 years ago
14

I will give BRAINlIEST if u explain how to solve these plz!!!

Mathematics
2 answers:
AURORKA [14]2 years ago
7 0
<h2>Answer:</h2>

Question 4: \frac{8}{1}

Question 5: \frac{4}{5}

Question 6: \frac{2.5}{1}

Question 7: \frac{1}{1}

<h2>Step-by-step explanation:</h2>

The way to solve these types of questions, also know as "<em>slope</em>" is solved in the format \frac{y-y}{x-x} (y minus y over x minus x) which also can be known as \frac{rise-rise}{run-run} (rise minus rise over rune minus run). To solve this you can choose any two sets of numbers (the top and the bottom of a chart is 1 set) and you use its numbers to find the slope. One important rule when solving for slope is to never write your answer in decimal form and rarely write your answer as a whole number always answer questions in fraction form!!!! Anyway, the y and the x are already given so no need to find those as well. Here's the solving of all questions:

<h2 /><h2>4.</h2>

for this question I choose the number sets:\frac{24}{3} and, \frac{32}{4} in. ..equation... written... as, \frac{24-32}{3-4}

so, now the easy part, 24-32=-8

Next we solve the bottom, 3-4=-1

so we end up with \frac{-8}{-1} and when we simplify it can be written as \frac{8}{1} or just 8 (I recommend to always write in fraction form because some teachers will remove points if its not in fraction form).

<h2>5.</h2>

Now, for the rest of the problems I wont explain the solving process.

\frac{60}{185} and\frac{100}{235} written...as,\frac{60-100}{185-235}

60-100=-40

185-235=-50

\frac{-40}{-50} simplify...to,\frac{4}{5}

<h2>6.</h2>

\frac{12.5}{5} and\frac{25}{10} written...as,\frac{12.5-25}{5-10}

12.5-25=-12.5

5-10=-5

\frac{-12.5}{-5}simplify...to,\frac{2.5}{1} or 2.5 (I recommend to always write in fraction form because some teachers will remove points if its not in fraction form).

<h2>7.</h2>

\frac{4}{2} and\frac{5}{3} written...as,\frac{4-5}{2-3}

4-5=-1

2-3=-1

\frac{-1}{-1}simplify...to,\frac{1}{1} or 1 (I recommend to always write in fraction form because some teachers will remove points if its not in fraction form).

Hope this helped, please give mw brainiest I spent half an hour on this :D

        -Thanks for your time.

alexandr402 [8]2 years ago
5 0

Answer:

i dont have any idea.....my brain is full of BTS

Step-by-step explanation:

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A. An angle that measures \frac{\pi}{6}  radians also measures  30^o

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Step-by-step explanation:

Recall the formula to transform radians to degrees and vice-versa:

\angle\,radians=\frac{\pi}{180^o} \,* \,\angle degrees\\  \\\angle\,degrees=\frac{180^o}{\pi} \,* \,\angle radians

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\angle\,degrees=\frac{180^o}{\pi} \,* \,\angle radians\\\angle\,degrees=\frac{180^o}{\pi} \,* \,\frac{\pi}{6} \\\angle\,degrees=\frac{180^o}{6} \\\angle\,degrees=30^o

also when an angle measures 180^o  , its radian measure is:

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Step-by-step explanation:

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A golfer hits an errant tee shot that lands in the rough. A marker in the center of the fairway is 150 yards from the center of
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\bold{\huge{\underline{ Solution}}}

<h3><u>Given </u><u>:</u><u>-</u></h3>

  • A marker in the center of the fairway is 150 yards away from the centre of the green
  • While standing on the marker and facing the green, the golfer turns 100° towards his ball
  • Then he peces off 30 yards to his ball

<h3><u>To </u><u>Find </u><u>:</u><u>-</u></h3>

  • <u>We </u><u>have </u><u>to </u><u>find </u><u>the </u><u>distance </u><u>between </u><u>the </u><u>golf </u><u>ball </u><u>and </u><u>the </u><u>center </u><u>of </u><u>the </u><u>green </u><u>.</u>

<h3><u>Let's </u><u> </u><u>Begin </u><u>:</u><u>-</u></h3>

Let assume that the distance between the golf ball and central of green is x

<u>Here</u><u>, </u>

  • Distance between marker and centre of green is 150 yards
  • <u>That </u><u>is</u><u>, </u>Height = 150 yards
  • For facing the green , The golfer turns 100° towards his ball
  • <u>That </u><u>is</u><u>, </u>Angle = 100°
  • The golfer peces off 30 yards to his ball
  • <u>That </u><u>is</u><u>, </u>Base = 30 yards

<u>According </u><u>to </u><u>the </u><u>law </u><u>of </u><u>cosine </u><u>:</u><u>-</u>

\bold{\red{ a^{2} = b^{2} + c^{2} - 2ABcos}}{\bold{\red{\theta}}}

  • Here, a = perpendicular height
  • b = base
  • c = hypotenuse
  • cos theta = Angle of cosine

<u>So</u><u>, </u><u> </u><u>For </u><u>Hypotenuse </u><u>law </u><u>of </u><u>cosine </u><u>will </u><u>be </u><u>:</u><u>-</u>

\sf{ c^{2} = a^{2} + b^{2} - 2ABcos}{\sf{\theta}}

<u>Subsitute </u><u>the </u><u>required </u><u>values</u><u>, </u>

\sf{ x^{2} = (150)^{2} + (30)^{2} - 2(150)(30)cos}{\sf{100°}}

\sf{ x^{2} = 22500 + 900 - 900cos}{\sf{\times{\dfrac{5π}{9}}}}

\sf{ x^{2} = 22500 + 900 - 900( - 0.174)}

\sf{ x^{2} = 22500 + 900 + 156.6}

\sf{ x^{2} = 23556.6}

\bold{ x = 153.48\: yards }

Hence, The distance between the ball and the center of green is 153.48 or 153.5 yards

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2 years ago
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