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2 years ago

Jim has received scores of

Mathematics

1 answer:

seropon [69]2 years ago

7 0

Answer:

t ≥ 96 test score must be 96 or greater

Step-by-step explanation:

Let t - score on his third test

(75 + 81 + t) ÷ 3 ≥ 84

⇒ (75 + 81 + t) ≥ 84 x 3

⇒ (75 + 81 + t) ≥ 252

⇒ 156 + t ≥ 252

⇒ t ≥ 252 - 156 ≥ 96

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I am an improper fraction whose numerator and denominator are made of odd digits only. In my simplest form, my representation as

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Answer:

The fraction is = $\frac{21}{9}$

Step-by-step explanation:

In simplest form the fraction is represented in mixed number as $2\frac{1}{3}$ .

The fraction form of the mixed number can be given as :

$2\frac{1}{3}=\frac{7}{3}$

Let the fraction be = $\frac{7x}{3x}$ [As multiplying same numbers to numerator and denominator does not affect the proportion.

Sum of numerator and denominator is = 30

This, can be represented as:

$7x+3x=30$

Solving for $x$ .

$10x=30$

Dividing both sides by 10.

$\frac{10x}{10}=\frac{30}{10}$

$x=3$

So, the fraction will be = $\frac{7\times 3}{3\times 3}$

⇒ $\frac{21}{9}$

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3 years ago

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Mamont248 [21]

Answer:

Step-by-step explanation:

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2 years ago

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Mariana [72]

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3 years ago

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Patti's Pet Palace has an 85-gallon fish tank. When it needs to be cleaned, it can be drained at a rate of 2 gallons per minute.

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3 years ago

Explain why the polynomial 100x^2 + 150x + 49 is not a perfect square.

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Answer: The correct answer is Choice C.

For this polynomial to be a perfect square, it would need to be:
(10x + 7)^2

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3 years ago