3 years ago

Is -12/6 a rational number?

1 answer:

3 0

A rational number is any number that can be turned into a fraction....it can be negative or positive.

Therefore, -12/6 is a rational number

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What generalization can you make about these numbers?

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I think it is c. They are all prime numbers

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3 years ago

what is the value of the X variable in the solution to the following system of equations for 4x+ 2y =6 x-y=3

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X=1,y=1

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3 years ago

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2 years ago

Work out the area of triangle ABC. B. 25 cm A 32 cm D 2 cm

Law Incorporation [45]

Answer:

Step-by-step explanation:

ΔADB is a right angled triangle. So, use Pythagorean theorem.

Altitude² = hypotenuse² - base²

= (2√5)² - (3√2)²

= 2²* (√5)² - 3²*(√2)² = 4*5 - 9*2 = 20 - 18 = 2

Altitude = √2

Base of ΔABC = 3√2 + √2 = 4√2 cm

Area = $\dfrac{1}{2}bh$

$= \dfrac{1}{2}*4\sqrt{2}*\sqrt{2}\\\\\\=\dfrac{1}{2}*4*\sqrt{2*2}\\\\\\=\dfrac{1}{2}*4*2\\\\= 4 cm^{2}$

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3 years ago

Find the missing probability in the table below.

KATRIN_1 [288]

X 1 2 3 4
p(x) 0.40 0.20 0.15 ?

If the items are only 4. The total of the probability must be 1 or 100%

1 - 0.40 - 0.20 - 0.15 = 0.25

The probability of 4 is 0.25.

5 0

4 years ago