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sladkih [1.3K]
2 years ago
12

How do i solve integrals?

Mathematics
1 answer:
Cerrena [4.2K]2 years ago
8 0

Answer:

Step-by-step explanation:

So the integral of 2 is 2x + c, where c is a constant. An "S" shaped symbol is used to mean the integral of, and dx is written at the end of the terms to be integrated, meaning "with respect to x". This is the same "dx" that appears in dy/dx . To integrate a term, increase its power by 1 and divide by this figure.

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Rosa is attending an event where prizes are being given away. The probability of winning a T‐shirt is 0.89 and the probability o
vagabundo [1.1K]

Answer:

It is very likely that Rosa wins both prizes.

Step-by-step explanation:

The probability of winning a T‐shirt is 0.89 and the probability of winning a $20 gift certificate is 0.05. Which statement correctly describes the chances of Rosa winning a T‐shirt or a $20 gift certificate?

We have these three possibe outcomes.

Win t-shirt(0.89 probability) and lose the gift certiciate(1 - 0.05 = 0.95 probability)

Lose t-shirt(0.11 probability) and win the gift certiciate(0.05 probability).

Win both.

So

p = 0.89*0.95 + 0.11*0.05 + 0.89*0.05 = 0.8955

0.8955 = 89.55% probability of Rosa winning a T‐shirt or a $20 gift certificate, which is considered a very likely probability. So the answer is:

It is very likely that Rosa wins both prizes.

5 0
2 years ago
Do the ratios 42/56 and 56/64 form a proportion?<br> if they do explain your answer
Volgvan
Lets check...

42/56 = 56/64
cross multiply
(56)(56) = (42)(64)
3136 = 2688...(incorrect)...these are not proportional

proportions are nothing but equivalent fractions
42/56 = 3/4
56/64 = 7/8
as u can see, they are not equivalent fractions...so they are not proportional
4 0
3 years ago
What is the greatest common factor (GCF) of 40 and 12?
Aleksandr-060686 [28]

I believe the answer is 4.

3 0
3 years ago
Read 2 more answers
A 7<br> B 17<br> C 49<br> D 61<br> Proving Angles Congruent
OLEGan [10]
7x +2x+27 = 180
9x +27 = 180
-27 -27
9x = 153
÷9. ÷9

x = 17

ANSWER: B
5 0
2 years ago
Verify the identity: <br><br> 2 sec^2 x − 2 sec^2 x sin^2 x − sin^2 x − cos^2 x = 1
Amiraneli [1.4K]

\mathrm{Solving}\: \mathrm{prove\:2\sec ^2\left(x\right)-2\sec ^2\left(x\right)\sin ^2\left(x\right)-\sin ^2\left(x\right)-\cos ^2\left(x\right)=1}\\steps \\2\sec ^2\left(x\right)-2\sec ^2\left(x\right)\sin ^2\left(x\right)-\sin ^2\left(x\right)-\cos ^2\left(x\right)=1\\\mathrm{Manipulating\:left\:side}\\2\sec ^2\left(x\right)-2\sec ^2\left(x\right)\sin ^2\left(x\right)-\sin ^2\left(x\right)-\cos ^2\left(x\right)\\=-1+2\cos ^2\left(x\right)\sec ^2\left(x\right)\\=1Answer:

Step-by-step explanation:

8 0
3 years ago
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