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3 years ago

What is the hardest part of math

Mathematics

1 answer:

Leona [35]3 years ago

7 0

Answer:

Trying to learn it math isint about learning a eqution. its about expanding your mind and making you think.

Step-by-step explanation:

Hope it helps:)

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The statements below can be used to prove that the triangles are similar.

ki77a [65]

Answer:

StartFraction B C Over Y Z EndFraction = StartFraction 6 Over 3 EndFraction

Step-by-step explanation:

It is stated that both triangles satisfy the Side Side Side (SSS) postulate, and the proportions between 2 sides are provided, therefore, the missing proportion is needed to prove that the triangles are similar, that proportion is: BC/YZ = 6/3

7 0

3 years ago

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Work out 25% of 20 metres

Bumek [7]

<span>25% of 20 meters
</span>25%=1/4 so 1/4 of 20 is 5 meters

6 0

3 years ago

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PLS HELP!! 1. if [x-1/x]=5, then the value of [x2+1/x2] is [here~x2=xsquare

GenaCL600 [577]

Answer:

1 - 27 , 2- 727

Step-by-step explanation:

see image for explanation

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3 years ago

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Help i tried to do it but not sure..

nlexa [21]

Answer:

3000

Step-by-step explanation:

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3 years ago

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Determine the radius of convergence of the following power series. Then test the endpoints to determine the interval of converge

tresset_1 [31]

Answer:

Radius of the convergence is R = $\frac{1}{21}$

and,

The Interval of convergence is $-\frac{1}{21}$

Step-by-step explanation:

Given function : Σ(21x)^k

Now,

Using the ratio test, we have

R = $\lim_{n \to \infty} |\frac{21x^{k+1}}{21x^{k}}|$

R = $\lim_{n \to \infty} |\frac{21x^{k}\times21x^{1}}{21x^{k}}|$

R = $\lim_{n \to \infty} |21x^{1}|$

now,

for convergence R|x| < 1

Therefore,

$\lim_{n \to \infty} |21x^{1}|$ < 1

$-\frac{1}{21}$

and,

Radius of the convergence is R = $\frac{1}{21}$

and,

The Interval of convergence is $-\frac{1}{21}$

8 0

3 years ago