3 years ago

Which letter in the word EASY does not have a line of symmetry

Mathematics

2 answers:

fredd [130]3 years ago

6 0

Answer:

Step-by-step explanation:

kicyunya [14]3 years ago

6 0

Answer:

Step-by-step explanation:

E A and Y have a line of symetry

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Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

polet [3.4K]

If you're just integrating a vector-valued function, you just integrate each component:

$\displaystyle\int(\sec^2t\,\hat\imath+t(t^2-1)^8\,\hat\jmath+t^7\ln t\,\hat k)\,\mathrm dt$

$=\displaystyle\left(\int\sec^2t\,\mathrm dt\right)\hat\imath+\left(\int t(t^2-1)^8\,\mathrm dt\right)\hat\jmath+\left(\int t^7\ln t\,\mathrm dt\right)\hat k$

The first integral is trivial since $(\tan t)'=\sec^2t$ .

The second can be done by substituting $u=t^2-1$ :

$u=t^2-1\implies\mathrm du=2t\,\mathrm dt\implies\displaystyle\frac12\int u^8\,\mathrm du=\frac1{18}(t^2-1)^9+C$

The third can be found by integrating by parts:

$u=\ln t\implies\mathrm du=\dfrac{\mathrm dt}t$

$\mathrm dv=t^7\,\mathrm dt\implies v=\dfrac18t^8$

$\displaystyle\int t^7\ln t\,\mathrm dt=\frac18t^8\ln t-\frac18\int t^7\,\mathrm dt=\frac18t^8\ln t-\frac1{64}t^8+C$

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3 years ago

I forgot someone help me plz

o-na [289]

Write the conjugates of them then FOIL both the top and bottom, then factor

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3 years ago

Read 2 more answers

PLZZZ HELPPPP ILL MARK BRAINLIEST TO FIRST AND CORRECT ANSWER THAT HAS WORK AND A THX TO SECOND AND CORRECT ANSWER.

sergij07 [2.7K]

Answer:

3.9 - C

Step-by-step explanation:

This forms a triangle with a base of 2.5 and a height of 3.

Using the Pythagorean Theorem, 2.5^2 + 3^2 = c^2

This gives you the answer 3.91.

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3 years ago

Can you help me with this Q i cant get it i have 3 min only please help me :)

Butoxors [25]

x= 3

AC = 22

hope it helps you...

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2 years ago

4. If Mahamat has 36 coins totaling $3.00, and the coins are all nickels and quarters, how many of each coin does he have?

MakcuM [25]

The answer is 30 i believe :) ♡

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3 years ago

Which letter in the word EASY does not have a line of symmetry​

Which letter in the word EASY does not have a line of symmetry