Heidi eröffnet ein Sparkonto und zahlt 1500 euro ein. Die bank verzinst ihr guthaben mit 3,2%. Am Jahrsende erhält Heidi 30 euro Zinsen. Wann hatte sie das Konto eröffnet? Ich muss nur weißen wie man da rechnen kann.

What is the sum or difference 4x10 – 9x10 (1 point) –5x10 –5x20 –36x10 –36x20 this is the cca test i need all the answers this is the first 2

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x