3 years ago

Don't answer this question

Mathematics

1 answer:

harkovskaia [24]3 years ago

5 0

Answer:

Step-by-step explanation:

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Hello all, this is for an assignment in my Calculus 2 class. I'm submitting it online, and it keeps saying my answer is wrong :(

kolezko [41]

$\bf \displaystyle \cfrac{1}{5-2}\int\limits_{2}^{5}\ \cfrac{t}{\sqrt{5+t^2}}\cdot dt\\\\
-----------------------------\\\\
u=5+t^2\implies \cfrac{du}{dt}=2t\implies \cfrac{du}{2t}=dt\\\\
-----------------------------\\\\$

$\bf \displaystyle \cfrac{1}{3}\int\limits_{2}^{5}\ \cfrac{t}{\sqrt{u}}\cdot \cfrac{du}{2t}\implies \cfrac{1}{3}\cdot \cfrac{1}{2}\int\limits_{2}^{5}\ u^{-\frac{1}{2}}\cdot du\implies \cfrac{1}{6}\int\limits_{2}^{5}\ u^{-\frac{1}{2}}\cdot du
\\\\\\
\left. \cfrac{\sqrt{u}}{3} \right]_{2}^5\implies \cfrac{\sqrt{5}}{3}-\cfrac{\sqrt{2}}{3}\implies \cfrac{\sqrt{5}-\sqrt{2}}{3}$

8 0

3 years ago

Read 2 more answers

Which of the following are equivalent ratios?<br>A: 12 : 16<br>B: 3 : 5<br>C: 2 : 3<br>D: 6 : 8

Alla [95]

The equivalent ratios are A and D.

Here's an explanation:

When you look at D, you see that 12 is a multiple of 6, and 16 is a multiple of 8. So you know that it looks like they're equivalent. Then you test it out, 12/2=6. 16/2=8. so 12:16 = 6:8. Eyeballing it first can save time sometimes.

8 0

4 years ago

If f(x)= x/3 and g(x)= 1/x find f(x) -g(x)

Ad libitum [116K]

It’s 2 I think hope this works

3 0

3 years ago

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The surface area of a square pyramid is 84 square inches. The side length of the base is 6 inches. What is the value of x?

s2008m [1.1K]

Umm math is not very important to me ill eventually graduate w a 8.0 GPA

8 0

4 years ago

Ms. Kuula owns a small business. In one week, she had profits of $20, $37, and $48. She also had losses of $18 and $7. What was

Llana [10]

Answer:

The answer is 80.

Step-by-step explanation:

We can get our answer using PEMDAS with the expression: (20 + 37 + 48) - ( 18 + 7) and or 105 - 25.

Do the math, and Ms. Kuula has 80 dollars for the week.

3 0

3 years ago