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3 years ago

How do you simplify odd fractions?

Mathematics

1 answer:

gtnhenbr [62]3 years ago

7 0

Answer:

Step-by-step explanation:

How do you simplify fractions with odd numbers? Find the greatest common factor of both the numerator and denominator. Divide the numerator by the GCF. The result will be the simplified numerator.

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What is the value of x in the diagram below ?

Amanda [17]

Answer:

x = 9

Step-by-step explanation:

12^2 + a^2 = 54^2

a^2 = 54^2 - 12^2

a = sqrt (54^2 - 12^2) = 6 * sqrt(77)

Then calculate it for another triangle, where each side is 6 times shorter (as 12/2 = 6):

2^2 + (sqrt(77))^2 = x^2

x^2 = 81

x = 9

3 0

4 years ago

E^(8x)+e^(-x) find the interval on which f is increasing

saveliy_v [14]

Assuming ya mean
$f(x)=e^{8x}+e^{-x}$
take derivitive
remember dy/dx e^x=e^x
also the chain rule

so
$f'(x)=8e^{8x}+-1e^{-x}$
find where it equals 0
$0=8e^{8x}+-e^{-x}$
$e^{-x}=8e^{8x}$
multiply both sides by e^x
$1=8e^{9x}$
divide both sides by 8
$\frac{1}{8}=e^{9x}$
take ln of both sides
$ln(\frac{1}{8})=ln(e^{9x})$
$ln(\frac{1}{8})=9x$
divide both sides by 9
$\frac{ln(\frac{1}{8})}{9}=x$

x≈-1/5
f'(-1)<0
f'(0)>0

so it is increasing from x to infinity

the interval it is increasing on is $(\frac{ln(\frac{1}{8})}{9}, \infty)$

6 0

3 years ago

10 . n = 220<br> What does n equal to?

Andreyy89

Answer:

i didn't understand the question actually

8 0

3 years ago

Find x , if someone can help me with all my hw please lmk

choli [55]

Answer:

ok so if we look at this other one we can see that the other angle is 45

since we now all three angles we can find the other side

Side a = 4

Side x = 5.65685 = 4√2

Side c = 4

5.66

Hope This Helps!!!

4 0

3 years ago

Read 2 more answers

I need this ASAP! PLease help!!<br> 2/x . 5 = 11

IRINA_888 [86]

Answer:

Step-by-step explanation:

Follow the order of operations

3 0

3 years ago