3 years ago

If Scott types 210 words in 5 minutes how many words can he type in a minute

Mathematics

1 answer:

zepelin [54]3 years ago

6 0

Answer:

Step-by-step explanation:

210 divided by 5 is 42

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The value of the definite integral / 212x – sin(x) dx / 122x-sin(x) is

blondinia [14]

Hi there!

$\boxed{= 70 + cos(12) - cos(2) \approx 71.26}$

$\int\limits^{12}_{2} {x-sin(x)} \, dx$

We can evaluate using the power rule and trig rules:

$\int x^n = \frac{x^{n+1}}{n+1}$

$\int x = \frac{1}{2}x^{2}$

$\int -sin(x) = cos(x)$

Therefore:

$\int\limits^{12}_{2} {x-sin(x)} \, dx = [\frac{1}{2}x^{2}+cos(x)]_{2}^{12}$

Evaluate:

$(\frac{1}{2}(12^{2})+cos(12)) - (\frac{1}{2}(2^2)+cos(2))\\= (72 + cos(12)) - (2 + cos(2))\\\\= 70 + cos(12) - cos(2) \approx 71.26$

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3 years ago

1 . Evaluate 3a - 12 divided by a for a =4 2. Evaluate 3x- 2y , if x= 5 and y =3

ziro4ka [17]

This is how I understood the question

Hope I helped!

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3 years ago

If Scott types 210 words in 5 minutes how many words can he type in a minute​

If Scott types 210 words in 5 minutes how many words can he type in a minute