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vfiekz [6]
3 years ago
6

4/r ​ = 5/7 need help please

Mathematics
1 answer:
Annette [7]3 years ago
7 0
The answer to the question is

5r= 28

r= 28/5
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Does anyone know how to do this
bezimeni [28]
You can turn 5 into 10/2 and add to x/2
then you need to use simple algebra to left the x alone in the equation so you need to multiply both sides by 2 so you get
2y=10+x
then you need to subtract both sides a 10 so
2y-10=x
now change the x to f'(x) and y to x so:
f'(x)=2x-10
7 0
2 years ago
Make x the subject <br><br> PLEASE HELP ILL GIVE BRAINLIEST ASAP
Phoenix [80]

Answer:

x = \frac{(a+1)f^3}{2e}

Step-by-step explanation:

\frac{a + 1}{2x} = \frac{e}{f^3}\\~\\\\a+1 = \frac{2ex}{f^3}\\~\\\frac{a + 1}{2e} = \frac{x}{f^3}\\~\\x = \frac{(a+1)f^3}{2e}

3 0
3 years ago
Solve in 5 + in 2x = 3
faltersainse [42]

\ln5+\ln 2x=3\\\\\ln10x=3\\\\e^3=10x\\\\x=\dfrac{e^3}{10}

3 0
3 years ago
Convert the repeating nonterminating 0.1515...
solniwko [45]
303/2000 is the answer to your question
5 0
3 years ago
Question 13 letter A and B
dybincka [34]
A) 2.50/5= 0.5,
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