3 years ago

Daniela can swim 90 meters in 30 minutes what is Daniels meter rate?

Mathematics

2 answers:

o-na [289]3 years ago

3 0

3 meters per minute

irinina [24]3 years ago

3 0

Answer:

3 per min

Step-by-step explanation:

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Write as a single fraction in its simplest form.

yaroslaw [1]

$\dfrac{4}{3x-5} + \dfrac{x+2}{x-1}\\\\\\=\dfrac{4(x-1) + (x+2)(3x-5)}{(3x-5)(x-1)}\\\\\\=\dfrac{4x-4 + 3x^2 -5x +6x -10}{(3x-5)(x-1)}\\\\\\=\dfrac{3x^2 +5x-14}{(3x-5)(x-1)}$

5 0

2 years ago

What is the average rate of change between f (1) and f (5) in the function f (x) = x2 - x - 6 ?

NISA [10]

Answer:

${ \tt{average = \frac{f(1) + f(5)}{2} }} \\ \\ = { \tt{ \frac{( {1}^{2} - 1 - 6) + ( {5}^{2} - 5 - 6) }{2} }} \\ = \frac{ - 6 + 14}{2} \\ \\ = { \tt{4}}$