griffinkiley22
17.04.2020 •
Mathematics
Kevin is 3 times as old as daniel. 4 years ago, kevin was 5 times as old as daniel
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Ответ:
kevin is 24 and daniel is 8
Step-by-step explanation:
kevin 4 years ago was 20, daniel 4 years ago was 4 at that time kevin was 5 times daniels age
but now 4 years ahead Kevin is 24 and Daniel is 8 which make Kevin only 3 times Daniels age
Ответ:
I believe it is 24
Step-by-step explanation:
Pythagorean theorem: a^2+b^2=c^2
We know A and C
7^2+b^2=25^2
Now we need to solve for B
We know that A+B will equal C
So C-A=B
25^2-7^2=576
Now we have to find the square root of 576 which is 24