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Beliebt Word Problems >

the differenz of two numbers is-8 and the sum of their squares is 50.Find the numbers

Lösung

t h e d i ff ere n ce o f tw o n u mb ers i s - 8 an d t h e s u m o f t h e i r s q u a res i s 50. F in d t h e n u mb ers

Lösung

The numbers : - 1, 7 or - 7, 1

Schritte zur Lösung

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = - 8

x^{2} + y^{2} = 50

Löse das Gleichungssystem:

x - y = - 8, x^{2} + y^{2} = 50 : (x = - 1, x = - 7, y = 7 y = 1)

The numbers : - 1, 7 or - 7, 1

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An ordinary die is thrown. Find the probability that the number obtained is even or greater than 4?The kreisumfang of a circle is 8pipi ft. Find its radius, in feet.The kreisumfang of a circle is 14pipi cm. Find its diameter, in centimeters.The sum of a number and its square is 6 . Find the number(s).The radius of a kreis is 11 ft. Find its area in terms of pipi.