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3 years ago

What is the value of h? 4 8sqrt3 16 8srt2

Mathematics

2 answers:

Ugo [173]3 years ago

6 0

H= 8 cos 45° = 8/√2 .......answer !!

I can't understand your options so ......by the way ...answer is 8/√2 or you can say 4√2 !!

makvit [3.9K]3 years ago

5 0

Answer:

8 srt of 2 is your answer

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The diameter of a circle measures 10 cm. What is the circumference of the circle?

Klio2033 [76]

Answer:

circumference of a circle=πd where d is the diameter of the circle.

this implies, the circumference=3.14*10cm

=31.4cm

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3 years ago

A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles.

jeka57 [31]

Answer:

Step-by-step explanation:

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4 years ago

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Factorize 2x⁴+x³-14x²-19x-6 <br>no spam and kindly explain your answer!

Aleks04 [339]

Step-by-step explanation:

Consider given the expression,

⇒2x4+x3−14x2−19x−6

⇒x3(2x+1)−(14x2+19x+6)

⇒x3(2x+1)−(14x2+7x+12x+6)

⇒x3(2x+1)−[7x(2x+1)+6(2x+1)]

⇒x3(2x+1)−(2x+1)(7x+6)

⇒(2x+1)(x3−7x−6)

Hence, this is the answer.

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3 years ago

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The mass of a textbook is about 1.75 kilograms. About how many pounds is this?

Daniel [21]

about 3.860 pounds.

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3 years ago

Find the general solution of the following equation. Express the solution explicitly as a function of the independent variable.

Mashcka [7]

Answer:

Therefore the general solution is

$2 \sqrt w = 2 ln(x) - 5 \frac1x +c$

Step-by-step explanation:

Integration Rule:

$\int x^n dx= \frac{x^{n+1}}{n+1}+c$
$\int \frac1x dx= ln(x) +c$

Given differential equation is

$x^2 \frac{dw}{dx}= \sqrt{w}(2x+5)$

$\Rightarrow x^2 dw= \sqrt{w} (2x+5) dx$ [ multiplying dx both sides]

$\Rightarrow \frac{dw}{\sqrt w}= \frac{(2x+5)}{x^2} dx$ [ dividing $x^2\sqrt w$ both sides]

Integrating both sides

$\int \frac{dw}{\sqrt w}=\int \frac{(2x+5)}{x^2} dx$

$\Rightarrow \int w^{-\frac12} dw=\int (\frac{2x}{x^2}+\frac{5}{x^2} )dx$

$\Rightarrow \int w^{-\frac12} dw=\int \frac{2}{x}dx +\int\frac{5}{x^2} dx$

$\Rightarrow \frac{w^{-\frac12+1}}{-\frac12+1} =2ln x+5 \frac{x^{-2+1}}{-2+1}+c$ [ c is arbitrary constant]

$\Rightarrow 2 \sqrt w = 2 ln(x) - 5 \frac1x +c$

Therefore the general solution is

$2 \sqrt w = 2 ln(x) - 5 \frac1x +c$

6 0

3 years ago