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Masteriza [31]
3 years ago
5

Given A = {a, e, i, o, u} and B = {a, l, g, e, b, r}, find A ∪ B.

Mathematics
2 answers:
kupik [55]3 years ago
6 0
A \cup B indicates you want the UNION of sets A and B.  So just make a list of elements that are in either set ("put all the elements into one 'box'").  Elements are listed only once; example:  a is in both sets, so put it in the union only once.

Answer: the 3rd choice, {a, b, e, g, i, l, o, r, u}
mezya [45]3 years ago
3 0
A={a,e,i,o,u}   B={a,l,g,e,b.r}

A ∪ B = {a,e,i,o,u,l,g,b,r}

For any element ∈ A and B, you choose it once

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Which of these is equal to the value of 9 – (–5)?
DerKrebs [107]
14.



Subtracting a negative number is like adding a positive number. So, you can change 9 - (-5) into 9 + 5, which is much simpler. Then, just add to get 14.



Please consider marking this answer as Brainliest to help me advance.
3 0
3 years ago
Read 2 more answers
Oxygen flows through one tube into a liter flask filled with air, and the mixture of oxygen and air (considered well stirred) es
yKpoI14uk [10]

The amount of oxygen in the flask through the intake tube illustrates proportions

The flask 99.35% will contain of oxygen after 5L have passed through the intake tube

<h3>How to calculate the percentage of oxygen?</h3>

To do this, we make use of the following representations

  • P for the proportion of oxygen
  • V for te volume of oxygen
  • x for the proportion of oxygen in the flask after 5 L passed through

So. we have the following derivative

dP = dV - P * dV

Divide through by dV

dP/dV  = 1 - P

Next, we set up the integral

\int\limits^x_{0.040}  \frac {1}{1 - P}dP= \int\limits^5_0 {dV}

Integrate both sides

-\ln(|P - 1|)|\limits^x_{0.04} = 5

Expand

-ln(|x - 1|) + ln(|0.04 - 1|) = 5

Evaluate the difference

-ln(|x - 1|) + ln(|-0.96|) = 5

Express as a fraction

ln(0.96/|x - 1|) = 5

Express both sides as exponents with a base of 2

e^ln(0.96/|x - 1|) = e^5

Solve for x

x = 1 - 0.96/e^5

Evaluate the difference

x = 0.9935

Express as percentage

x = 99.35%

Hence, the flask 99.35% will contain of oxygen after 5L have passed through the intake tube

Read more about proportions at:

brainly.com/question/1781657

3 0
2 years ago
Please show process!!!!<br> THANK YOU!<br> Will mark brainylist
lakkis [162]

Answer: 103 degrees

Step-by-step explanation:

51 + 26 = 77

A triangle adds up to 180 degrees

180 - 77 = 103

= <u>103 degrees</u>

3 0
3 years ago
Please help me asap!! ty.
Phoenix [80]

Answer:

x=-3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Simplify: -14cd-2c^2d^2+15cd+9c^2d^2-15cd
MaRussiya [10]

7c^2d^2-14cd

Hope this helps a bunch!!!!!!!!!!!!

7 0
3 years ago
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