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Mnenie [13.5K]
3 years ago
15

Write quadratic equation in standard form with given solution set: {1/6, -2/3}

Mathematics
1 answer:
guapka [62]3 years ago
4 0
The sum of the roots = -7/6
The product of the roots is -2/18
Therefore the quadratic equation is
18x^2 + 21x - 2
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CAN SOMEONE EXPLAIN AND MAYBE SHOW ME STEP BY STEP WHY THE ANSWER IS 75degrees. HURRY 50 points and brainiest!!!
Strike441 [17]
<h2>Answer:</h2>

m∠MLQ = 60°. (<u>Equilateral triangle</u>)

Hence, m∠QLP = 30°.

<u>ΔLQP is an isosceles triangle (LQ and LP are congruent)</u>

m∠LPQ = m∠LQP = (180 - 30)/2

m∠LQP = 150/ 2

m∠LQP = 75°.

6 0
3 years ago
Number of Words in Book Titles: 6, 3, 5, 2, 2, 3, 3, 1,3
3241004551 [841]

Answer:

About 3.11

Step-by-step explanation:

Add the numbers and divide the value by the number of values in the data set.

6 + 3 + 5 + 2 + 2 + 3 + 3 + 1 + 3 = 28

28/9 = 3.1111...

3.111... ≈ 3.11

Hope this helps.

8 0
4 years ago
According to a poll, 30% of voters support a ballot initiative. Hans randomly surveys 5 voters. What is the probability that exa
Leona [35]
Using the probability (conditional) formula, where P is equals to the number of favorable outcomes over the total number of outcomes. Calculating using five and the thirty percent, 1.5 is the answer. But that cannot be the answer.

So we look for the probability using this formula derived from the original, (total outcomes) x (percentage) = (favorable outcomes), 5x=2. That gives us the answer of 0.4 or 40%.
8 0
3 years ago
Read 2 more answers
$1725 with 15% markup what’s the new price
fredd [130]

Answer:

$1983.75

Step-by-step explanation:

1725 x 0.15 = 258.75

now add to the original price

1725 + 258.75= 1983.75

5 0
3 years ago
The function h(x) is given below.
mafiozo [28]

Answer:

<em>2. </em><em>{(-5, 3), (-7, 5), (-9, 6), (-12, 10), (-16, 12)}</em>

Step-by-step explanation:

If f is an invertible function with domain X and range Y, then its inverse f^{-1} has domain Y and range X.

Domain of h(x) = {3, 5, 6, 10, 12}

Range of h(x)   = {-5, -7, -9, -12, -16}

So,

Domain of h^{-1}(x) = {-5, -7, -9, -12, -16}

Range of h^{-1}(x)   = {3, 5, 6, 10, 12}

Hence, h^{-1}(x) will be,

{(-5, 3), (-7, 5), (-9, 6), (-12, 10), (-16, 12)}

3 0
3 years ago
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