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2 years ago

Help! i’m so confused.

Mathematics

2 answers:

3241004551 [841]2 years ago

8 0

Ok what happened what do you need help on

kondaur [170]2 years ago

3 0

The value of the expression decreases.

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Write and simplify the integral that gives the arc length of the following curve on the given interval b. If necessary, use tech

LiRa [457]

Answer:

L = 4.103

Step-by-step explanation:

we have length of curve

$L = \int\limits^b_a {\sqrt{(f'(x))²+1} } \, dx$

where $f(x) = d/dx(3*in(x)) = 3/x$

substituting for f(x), we have $L = \int\limits^5_2 {\sqrt{(3/x)²+1} } \, dx$

(since the limit is 2≤ x ≤5)

solving, $L = \int\limits^5_2 {\sqrt{9/x²+1} } \, dx$

Simplifying this integral, we have

L = 4.10321

8 0

2 years ago

What is 2 ¼ as an improper fraction?

kondor19780726 [428]

9/4 is the answer :)

6 0

2 years ago

Read 2 more answers

Can somebody help add the numbers for each slot. They’re also in centimeters.

Lady_Fox [76]

Red light is 15.1cm
yellow is 16.3cm
purple is 19.3cm

8 0

2 years ago

Please don’t just comment for points

masha68 [24]

1. no because 2x+10 is not equal to 2x+7
2. no. you cant add una like terms so 4x+4 doesn’t equal 8x
3. yes. the terms still retain their same value although they are not in the same order
4. yes. when u distribute the -3, you get -3x-6 which is of course equal to -3x-6

7 0

2 years ago

Is this possible<br> Iiii

Gwar [14]

Yeah Imao you usually do these type of questions on a calculator but I've tried writing it on a calculator and it keeps on saying "error" so I'm gonna guess the question is wrong or sth

but if you type out the question without the bracket before the 12 you'll get 6.63

anyway hope this helps- have a good day bro cya)

8 0

2 years ago