solisemily62
12.03.2021 •
Mathematics
When a number is reduced by 5 it becomes 70% of the number itself find the number
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Ответ:
75%
Step-by-step explanation: When you said a number is reduced by 5, it is 70%. So 70 + 5 = 75%
Ответ:
16 2/3
Step-by-step explanation:
x - 5 = 0.7x
x - 0.7x = 5
0.3x = 5
x = 5/0.3 = 16 2/3
check: 50/3 - 5 = 35/3
0.7 x 50/3 = 35/3
Ответ:
Step-by-step explanation:
x^2-10x=23
x^2-10-23=0
In decimal form rounded to 12 and -2