3 years ago

Is 3/47 a rational number

Mathematics

1 answer:

lesya692 [45]3 years ago

8 0

3/47 is a rational number

p/q is a rational number, where p and q are real integers, and q does not equal to 0.

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Please help me thank u so much

Jet001 [13]

Answer:

$\frac{3}{8} fraction \: of \: geckos$

$\frac{3}{8} \times 80 = 30 \: geckos$

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3 years ago

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What is the missing number? 2.1 + (–3.4 + 5) = [ + (–3.4)] + 5

Kamila [148]

2.1 + (–3.4 + 5) = [ + (–3.4)] + 5 = false

2.1 + (–3.4 + 5) = 3.7

[ + (–3.4)] + 5 = 1.4

Thus your answer is 2.1

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3 years ago

There is a jar of 25 black marbles and 50 red marbles what is the probability at least 2 are red

liraira [26]

2/3 chance you pull red on the first pull because there are 50 red to the 25 black marble

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4 years ago

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Find the area of triangle ABC with vertices A(2,1), B (12,2), C (12,8). Hence, or otherwise find the perpendicular distance from

Lapatulllka [165]

<h2>The area of a triangle is =54 square units</h2><h2>The perpendicular distance from B to AC is = $\frac{108}{\sqrt{149} } units$ </h2>

Step-by-step explanation:

Given a triangle ABC with vertices A(2,1),B(12,2) and C(12,8)

$x_1=2,y_1=1,x_2=12,y_2=2,x_3=12 and y_3=8$

The area of a triangle is= $\frac{1}{2} [x_1(y_2-y_3) +x_2 (y_3- y_1)+x_3(y_1-y_2)]$

= $|\frac{1}{2} [2(2-8+12(8-1)+12(1-2)]|$

= $|-54|$ = 54 square units

The length of AC = $\sqrt{(x_1-x_3)^{2} +(y_1-y_3)^2}$

= $\sqrt{(2-12)^{2} +(1-8)^2}$

= $\sqrt{149}$ units

Let the perpendicular distance from B to AC be = x

According To Problem

$\frac{1}{2} \times x \times \sqrt{149} = 54$

⇔ $x =\frac{108}{\sqrt{149} }$ units

Therefore the perpendicular distance from B to AC is = $\frac{108}{\sqrt{149} } units$

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3 years ago

Which ordered pairs in the form (x, y) are solutions to the equation?

hichkok12 [17]

(-6, -14) and (-1, -7)

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