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Ainat [17]
3 years ago
11

What is 5x10 (72 89-96)

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0
Answer should be 7 1/14

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NEED HELP ASAP!!
Ksju [112]

Answer:

i) 2x² + 4x + 7x + 14

= 2x² + 11x + 14

ii) 2x² - 5x - 12x + 30

= 2x² - 17x + 30

7 0
2 years ago
Calculate the area of the following shape
ra1l [238]

Answer:   PLEASE DONT REPORT ME!

Step-by-step explanation:

6 0
3 years ago
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
Find the degrees for 21 and 22
Papessa [141]
11pi/12 is 165 degrees
pi/8 is 22.5 degrees
7 0
3 years ago
Whats the answer for 16 - 2n = -8 + 4(n - 3) pls
KiRa [710]

Answer:

16-2n=-8+4n-12

16+8+12=4n

36/4=n

9=n

Step-by-step explanation:

3 0
2 years ago
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