. AB and PQ are lines of length 6 cm
Shape
a) AX : AB = 1:2
Mark where point X would be on the line, with a cross.
point
point
А
B.
Clea
b) PX: XQ = 1:2
Mark where point X would be on the line, with a cross.

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Ответ:

andres2865

13.01.2021

Mathematics

k = 3

Step-by-step explanation:

Given that b varies jointly with c and d and inversely with f then the equation relating them is

b = $\frac{kcd}{f}$ ← k is the constant of variation

To find k use the condition c = 4, d = 9, f = 6 , b = 18, then

18 = $\frac{k(4)(9)}{6}$ = $\frac{36k}{6}$ = 6k ( divide both sides by 6 )

3 = k

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. AB and PQ are lines of length 6 cm Shape a) AX : AB = 1:2 Mark where point X would be on the line, with a cross. point point А B. Clea b) PX: XQ = 1:2 Mark where point X would be on the line, with a cross.