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Andrei [34K]
3 years ago
10

You want to find the average cost of the transportation you used.

Mathematics
1 answer:
Anna11 [10]3 years ago
3 0
<span>The flight ticket was the outlier in this set of data. Every other ticket cost under $10, but the flight cost was $180. This pulled the average value of each ticket way out to the right, increasing it by over 5 times, when the average value of the other four tickets was under $8 each.</span>
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Find the length of side x in simplest radical form with a rational denominator.
alekssr [168]

Answer:

x = \frac{2*\sqrt{3}}{3}

Step-by-step explanation:

Reference angle = 30°

Opposite side = x

Adjacent side = 2

Apply the tan trigonometric function, thus:

tan (30) = \frac{opp}{adj}

tan (30) = \frac{x}{2}

2 * tan (30) = x

2 * \frac{1}{sqrt{3}} = x (tan 30 = 1/√3)

\frac{2}{sqrt{3}} = x

Rationalize

\frac{2* \sqrt{3}}{sqrt{3} * \sqrt{3}} = x

\frac{2*\sqrt{3}}{3} = x

4 0
3 years ago
What value of b makes the polynomial below a perfect square?
Mademuasel [1]
The best and most correct answer among the choices provided by your question is the second choice or letter B. 12

Substituting b = 12:

x^2 + 12x + 36 = (x + 6) ( X + 6) ; therefore, a perfect square.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
8 0
3 years ago
Read 2 more answers
Find the solutions of the quadratic equation by finding the square root: x2 - 3 = 7.
Masja [62]

Answer:

<em>x = - √10, and x =√10</em>

Step-by-step explanation:

1. Let us add 3 to either side of the equation: x^2 - 3 + 3 = 7 + 3

2. That equation would simplify to: x^2 = 10

3. Now let us take the square root on either side: √x^2 = √10

4. Being square root of x^2, we could say that: | x | = √10

5. And thus 2 answer may be derived from this equation provided absolute value symbol ( | | ): <em>x = - √10, and x =√10</em>

3 0
3 years ago
Plz help me on this question
Sladkaya [172]

y is the weight in kg

So sub 63 in y

63=0.91x-65.5

63+65.5=0.91x

128.5=0.91x

128.5÷0.91=x

141(3 s.f.)=x

7 0
3 years ago
In science class, Polly learned that trees help make the oxygen that people breathe. One tree makes about 250 pounds of oxygen e
Fantom [35]

Answer:

They make 4 approximately tons of oxygen each year.

Step-by-step explanation:

( 250lbs × 32 ) ÷ 2000 = 4t

250 pounds because each tree makes about 250 pounds of oxygen a year.

× 32 because there are 32 trees, so they'll make 32 times more oxygen than one tree.

÷ 2000 because before that everything was in pounds, and the question asks about tons. There are 2000 pounds in a ton, so you divide by 2000 to get the answer, which is 4 tons.

6 0
2 years ago
Read 2 more answers
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