3 years ago

Can anyone help me on this!

Mathematics

1 answer:

icang [17]3 years ago

4 0

it should be B

if i’m wrong please correct me

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The equation a2 + b2 = ca represents the relationship between the three sides of a right triangle.

choli [55]

Answer:

Step-by-step explanation:

I think you mean a² + b² = c², not ca.

a = 10, c = 26

b² = c² - a² = 26² - 10² = 576

b = √576 = 24 ft

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3 years ago

Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.

ludmilkaskok [199]

Answer:

$\dfrac{dy}{dx}=- \dfrac{1}{\left(x - 1\right) \left(x + 1\right)}$

Step-by-step explanation:

Given:

$y = \ln{\left(\dfrac{x + 1}{x - 1}\right)^{\frac{1}{2}}$

using the properties of log we can take the power 1/2 and multiply it.

$y = \dfrac{1}{2}\ln{\left(\dfrac{x + 1}{x - 1}\right)$

now we can differentiate:

$\dfrac{dy}{dx} = \dfrac{1}{2}\dfrac{1}{\left(\dfrac{x + 1}{x - 1}\right)}\left(\dfrac{d}{dx}\left(\dfrac{x+1}{x-1}\right)\right)$

$\dfrac{dy}{dx} = \dfrac{1}{2}\left(\dfrac{x - 1}{x + 1}\right)\left(- \dfrac{2}{\left(x - 1\right)^{2}}\right)$

$\dfrac{dy}{dx}=- \dfrac{1}{\left(x - 1\right) \left(x + 1\right)}$

this is our answer!

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3 years ago

Question 25 the sum of three numbers is 79 . the second number is 9 less than the first. the third number is 2 times the first.

g100num [7]

I believe the numbers are 22, 13, and 44.

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3 years ago

–4.2 = –1.96(m − 10) + –4.2<br> Find variable

marshall27 [118]

Answer:

m=10

Step-by-step explanation:

–4.2 = –1.96(m − 10) + –4.2

–4.2=-1.96m+19.6-4.2

-19.6=-1.96m

m=10

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3 years ago

Write 0.192 and 0.042 as a fraction. Write 189/1000 and 3/1000 as a decimal.

luda_lava [24]

Answer:

0.192 = 24/125

0.042 = 21/500

189/1000 = 0.189

3/1000 = 0.003

8 0

3 years ago

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