3 years ago

Two numbers are in the ratio 2:5 .If their sum is 28 ,find the numbers

Mathematics

2 answers:

Vsevolod [243]3 years ago

4 0

8:20 are the two numbers ur welcome :)

AfilCa [17]3 years ago

3 0

Answer:

8:20

Step-by-step explanation:

8+20=28 and all that has happened is the ratio got bigger.

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3 years ago

Read 2 more answers

Please help me find limit

cluponka [151]

9514 1404 393

Answer:

-13/11

Step-by-step explanation:

Straightforward evaluation of the expression at x=1 gives (1 -1)/(1 -1) = 0/0, an indeterminate form. So, L'Hopital's rule applies. The ratio of derivatives is ...

$\displaystyle\lim_{x\to 1}\dfrac{n}{d}=\dfrac{n'}{d'}=\left.\dfrac{\dfrac{4}{3\sqrt[3]{4x-3}}-\dfrac{7}{2\sqrt{7x-6}}}{\dfrac{5}{2\sqrt{5x-4}}-\dfrac{2}{3\sqrt[3]{2x-1}}}\right|_{x=1}=\dfrac{4/3-7/2}{5/2-2/3}=\dfrac{8-21}{15-4}\\\\=\boxed{-\dfrac{13}{11}}$