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2 years ago

The answer to this question?

Mathematics

1 answer:

vagabundo [1.1K]2 years ago

4 0

Answer:

1. 59 2.90 4.31 3. Sorry I dunno

Step-by-step explanation:

1. the 59 degrees is the same.

2. It's a perfect angle

3. Sorry

4.180-90-59=31

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a stone is dropped in a river from a bridge . if it takes 4 seconds to reach of the surface of water, calculate the depth of the

pav-90 [236]

The stone takes 4sec to reach the water level.

initial velocity (u)=0

time(t)=4s

acceleration due to gravity(a)=

9.8(10 approx)

so,its final velocity will be

v=u+at

0+10×4=40

v=40m/s

6 0

3 years ago

Consider the ratio 3:5.can you create an equivalent ratio by adding the same number to each quantity in the ratio?Explain

soldi70 [24.7K]

Answer: no

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3 years ago

I need to solve this using l'hopital's rule and logarithmic diferentiation.

arlik [135]

Yo sup??

For our convenience let h=x+1

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when x tends to -1, h tends to 0

hence we can rewrite it as

$\lim_{h \to \ 0 } (cos(h))^{(cot(h^2 )}$

This inequality is of the form 1∞

We will now apply the formula

$e^(^g^(^x^)^(^f^(^x^)^-^1^)^)$

plugging in the values of g(x) and f(x)

$e^{lim_{h \to \ 0}{(cot(h)^2(cos(h)-1))}$

express coth² as cosh²/sinh² and also write cosh-1 as 2sin²(h/2)

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After this multiply the numerator and denominator with h² so that we can apply the property that

$\lim_{x \to \ 0 } sinx/x =1$

Now your equation will look like this.

$e^{lim_{h \to \ 0}{((cos(h)^2(2sin^2(h/2)*h^2)/(sin(h)^2*h^2)}$

We will now apply the result

$\lim_{x \to \ 0 } sinx/x =1$

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we get

$e^{lim_{h \to \ 0}{((cos(h)^2(2sin^2(h/2))/(h^2)}$

we now multiply the numerator and denominator with 4 so that we can say

$\lim_{h^2 \to \ 0 } sin^2(h/2)/(h^2/4) = 1$

$e^{lim_{h \to \ 0}{((cos(h)^2(2sin^2(h/2))/(h^2*4/4)}$

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Apply the limits and you will get

$e^{cos(0)^2*2/4$

$=e^{1/2}$

Hope this helps.

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3 years ago

Please help ASAP i give brainliests! I realllly need help!

madreJ [45]

Subtract 2 from both sides

Multiply both sides by 2

Take the square rot of both sides

Subtract 5 from both sides

x = -14 and x = 4

4 0

4 years ago

Suppose the circumference of a circle is 10π. What is its radius?

Evgen [1.6K]

$r=1.59
$

<em>Hope to help</em>
<em>:D</em>

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4 years ago

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