2 years ago

Write an equation that represents each mixed number as a sums of a whole number and unit fractions 4 1/4 and 1 5/6

Mathematics

1 answer:

zalisa [80]2 years ago

8 0

4.2 which is 4 1/4
Get it keep flip change

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Does the given equation of line form parallel lines or not

malfutka [58]

$k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1\cdot m_2=-1\\\\k\ ||\ l\iff m_1=m_2$

$k:x+4y=10\ \ \ |-x\\\\4y=-x+10\ \ \ \ |:4\\\\y=-\dfrac{1}{4}x+\dfrac{10}{4}\to m_1=-\dfrac{1}{4}\\\\l:3x-2y=5\ \ \ \ |-3x\\\\-2y=-3x+5\ \ \ \ |:(-2)\\\\y=\dfrac{3}{2}x-\dfrac{5}{2}\to m_2=\dfrac{3}{2}$

$m_1\neq m_2\to\text{ no parallel}\\\\m_1\cdot m_2=-\dfrac{1}{4}\cdot\dfrac{3}{2}\neq-1\to\text{ no perpendicular}$

Answer: NOT PARALLEL

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3 years ago

What is the inverse of the relation

Korolek [52]

Y is not = to 1/4x-3

5 0

3 years ago

Need help with this question.

sergejj [24]

Answer:

12 and 93.

Step-by-step explanation:

Let the grandsons age be x then Mr. Roger's age = 8x - 3.

Five years ago the grandson's age was x-5 and Mr Rogers was 8x - 8 years old , so:

8x - 8 - (x - 5) = 81

8x - 8 - x + 5 = 81

7x = 81 + 8 - 5 = 84

x = 12.

So the grandson is 12 and Mt Rogers is 8*12 - 3 = 93.

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2 years ago

PLZ HELP ITS FOR MY EXAM !! What information can the discriminant tell you about a quadratic relation in the form y = ax² + bx +

Romashka [77]

This equals a symmetrical

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Divide: 34.72 by 4.7. the quotient expressed to the correct number of significant figures is

Anna35 [415]

It is a very long number but here it goes. 7.3872340426

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2 years ago