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ioda
3 years ago
14

Find the quotient. Simplify if possible -6/10 + (-5/7)

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer: The correct answer is \frac{21}{25}

Step-by-step explanation:

To find a quotient, we need to divide the two numbers. The equation given to us is :

\frac{-6}{10}\div \frac{-5}{7}

To Simplify the above equation and finding out the quotient, we need to divide the above equation, we get:

\Rightarrow \left(\frac{\frac{-6}{10}}{\frac{-5}{7}}\right)

Taking the reciprocal of the denominator and multiplying it with the numerator, we get:

\Rightarrow \frac{-6}{10}\times \frac{7}{-5}\\\\\Rightarrow \frac{42}{50}\\\\\Rightarrow \frac{21}{25}

Hence, the correct answer is \frac{21}{25}

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Answer: the average distance between the parabola is 2000

Step-by-step explanation:

Given that;

y = 30x(20 - x) and the x-axis on the interval [0, 20]

f(x) = y = 30x(20 - x); [0, 20] and a=0, b=20

the average distance between the parabola will be

Average value = 1/20-0 ²⁰∫₀ 30x(20-x) dx

= 1/20 ²⁰∫₀ (600x-30x²) dx

= 1/20 [(600x)/2 - (30x³)/3]₀²⁰

= 1/20 [300x - 10x³]₀²⁰

inputting the limits, we get

= 1/20 [(300 × 20 × 20 - 10 × 20 × 20 × 20) - 0 - 0]

=  1/20 ( 120000 - 80000)

= 0.05 × 40000

<h2>= 2000</h2>

Therefore the average distance between the parabola is 2000

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3 years ago
a bag holds 1200 marbles colored either blue, red, green, or pink. there are 2 more blue than green, 6 more green than red and 6
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Putting (3) into (2) gives:
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Putting (4) into (1) gives:
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