jholland18
18.04.2021 •
Business
V144
QUESTION 2
A bus driver covers a certain distance in 3 hours at an average
speed of
80 km/h.How long will the journey take at an average speed of 50
km /h?
There are 96 boys and 120 girls in Grade 9. Write down the ratio
of thenumber of boys to the number of girls in the class.
QUESTION 3
Find the HCF and LCM of 172 and 258.
QUESTION 4
Solved
Show answers
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Ответ:
3hr=80km/r
?=50km/R
(50*3)/80=1.88hr
Ответ:
La raíz cuadrada de 121 es el número que multiplicado por sí mismo, da como resultado 121. Dicho esto, la raíz es la operación inversa de ^2. Como todo número positivo, el número 121 tiene dos raíces cuadradas: 121−−−√21212, la cual es positiva y llamada la raíz cuadrada principal, y −121−−−√21212, la cual es negativa