Given that 3x = y and 2z = x which expression below is true?

y = 2 3 z y\ =\ \frac{2}{3}z y = 3 2 z

y = 3 2 z y\ =\ \frac{3}{2}z y = 2 3 z

y = 1 6 z y\ =\ \frac{1}{6}z y = 6 1 z

If A ∝ k B A\propto\frac{k}{\sqrt{B}} A ∝ B <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> k where k is a constant, which of the statements are true?

A is inversly proportional to the square root of B.

A is directly proportional to 1 B \frac{1}{\sqrt{B}} B <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> 1

A is directly proportional to the square root of B.

A is inversely proportional to 1 B \frac{1}{\sqrt{B}} B <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> 1

Which are these probabilities are true?

p(cat) = 7 13 \frac{7}{13} 1 3 7

p(dog only) = 6 13 \frac{6}{13} 1 3 6

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Higher Practice 2

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10th Grade

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Practice Problem

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Medium

Simon Jack

Used 18+ times

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31 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which calculation decreases £300 by 35%

$300\div1.35$

$300\times0.65$

$300\div0.65$

$300\times0.35$

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve 5x+1 = 6x-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the midpoint of the line that runs from (-2,3) and (5,5)?

(1.5 , 4)

(0.5 , 4)

(1 , 4)

(3.5 , 4)

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is equivalent to $(3x^2)^3$

$27x^6$

$27x^5$

$3x^6$

$3x^5$

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which transformation maps A to B?

Enlargement

Translation

Reflection

Rotation

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which transformation maps A to C?

Enlargement

Translation

Reflection

Rotation

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which transformation maps A to D?

Enlargement

Translation

Reflection

Rotation

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