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proporcionalne i obrnuto proporcionalne veličine

Authored by ljerka linic

Mathematics

7th Grade

Used 6+ times

proporcionalne i obrnuto proporcionalne veličine
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Zgrada visoka 32 metara baca sjenu duljine 8 metara. Koliko je visok neboder koji istodobno baca sjenu duljine 30 m?

115 m

110 m

120 m

130 m

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ako vrijedi x : 9 = 6 : 5  , 

x je

 309\frac{30}{9} 

9

 456\frac{45}{6} 

 545\frac{54}{5} 

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Ako je

( 3x - 4 ) : 5 = ( x - 1 ) : 3

x je

9

11

74\frac{7}{4}

47\frac{4}{7}

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Snijeg sa igrališta očisti 12 ljudi za 4 sata . Za koje vrijeme bi to isto dvorište očistilo 8 ljudi?

8 sati

6 sati

5 sati

2 sata

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

U formuli y = 3x - 7

linearni koeficijent je 3

slobodni koeficijent je 3

linearni koeficijent je -7

slobodni koeficijent je -7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

y = - 3x + 2

ako je x = - 5

y= 13

y = 17

y= -17

y = -13

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

y= 4x - 5

Ako je y= 6

 x= 114x=\ \frac{-11}{4} 

x = 11

 x=411x=\frac{4}{11} 

 x =114x\ =\frac{11}{4} 

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