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3 years ago

The quotient of k and 9 is no more than 1/3

Mathematics

1 answer:

andre [41]3 years ago

3 0

Answer:

If this is true or false, I think true. Hope I helped! If not, please make sure to correct me.

Step-by-step explanation:

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An example that disproves a conjecture. a Converse b Counterexample c Inverse d Contrapositive

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2 years ago

Can somebody please help me

forsale [732]

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3 years ago

The sum of a number and its reciprocal is 41/20. Find the number. smaller value larger value

Natali [406]

Step-by-step explanation:

Let the number is x. Its reciprocal will be 1/x. According to given condition, we get :

$x+\dfrac{1}{x}=\dfrac{41}{20}\\\\\dfrac{x^2+1}{x}=\dfrac{41}{20}\\\\20x^2+20=41x\\\\20x^2-41x+20=0$

It is a quadratic equation. The values of x are :

$20x^2-25x - 16x+ 20 =0\\\\5x(4x - 5) -4( 4x - 5) = 0\\\\(5x-4)(4x-5)=0\\\\5x-4=0\ \text{and}\ (4x-5)=0\\\\x=\dfrac{4}{5}\ \text{and}\ x=\dfrac{5}{4}$

The smaller number is 4/5 and the larger number is 5/4.

6 0

2 years ago

The sum of the ages of ahsan and his mother is 61 years.The difference in their ages is 29 years.By forming a pair of simultaneo

Llana [10]

Answer:

(i). Ahsan's Present Age = 16

(ii). Age of Ahsan's Mother when ahsan is 21 years old = 50

Step-by-step explanation:

Let's say, x represents the age of ahsan.

y represents the age of his mother.

The system of equation from the date given is:

$\begin{bmatrix}x+y=61\\ -x+y=29\end{bmatrix}$

Solve them will get us:

$x=16,\:y=45$

Regards: Umer

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3 years ago

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makvit [3.9K]

The answer would be 54% out of 100

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2 years ago