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2 years ago

Can someone please answer this question please answer it correctly

Mathematics

2 answers:

just olya [345]2 years ago

5 0

Answer:

Step-by-step explanation:

to ti je devet jer |9|=9

svaki broj unutar takvih zagradica bilo pozitivan ili negativan je pozitivan i isti je taj broj

Studentka2010 [4]2 years ago

3 0

Answer:

Step-by-step explanation:

so any values inside the absolute value brackets | | will become positive even if they are negative, this is because absolute value represents distance from a number to 0 on a number line and you can't have a negative distance.

|-9|=9

and

|9|=9

hope this helps!

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How to use the Pythagorean theorem to provee if a triangle with the side lengths 7,14,28 is a right triangle. Plz help

Lapatulllka [165]

Answer: find the answer in the explanation.

Step-by-step explanation:

To use the Pythagorean theorem to prove if a triangle with the side lengths 7,14,28 is a right triangle, you will square 7 and add it to the square of 14. The square root of the sum will be equal to 28 if it is a right angle triangle. Otherwise, it is not.

(7^2 + 14^2) = 49 + 196

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Find the square root of 245

Square root = 15.65

Since it is not 24, the triangle is not a right angle triangle.

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3 years ago

Your bedroom is a square and each side of your bedroom is 8 feet long what is the area of your bedroom

Kisachek [45]

64 Hope this helps!!!!!

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2 years ago

Read 2 more answers

What is the surface area of a cylinder with a diameter of 8 and a height of 18?Express the answer in terms of pi

viktelen [127]

Step-by-step explanation:

diameter: 8

radius: 4

height: 18

$A=2\pi rh+2\pi r^2\\A=2\pi(4)(18)+2\pi(4)^2\\A=2\pi(72)+2\pi(16)\\A=144\pi+32\pi\\A=176\pi$

4 0

3 years ago

C<br> 70 mm<br> 24 mm<br> What is the length of the hypotenuse?

Anna11 [10]

Answer:

i think the hypotenuse 86 hope this help mark brainliest

Step-by-step explanation:

5 0

3 years ago

For the equation given below, evaluate y′ at the point (−2,2)<br> xe^y−4y=2x−4−2e^2

jeka94

Implicit differentiation
chain rule is important here

I'll show the steps partially
$e^y+xe^yy'-4y'=2$
$xe^yy'-4y'=2-e^y$
$y'(xe^y-4)=2-e^y$
$y'=\dfrac{2-e^y}{xe^y-4}$
now evaluate for (-2,2)
x=-2 and y=2
$y'=\dfrac{2-e^2}{-2e^2-4}$
$y'=\dfrac{2-e^2}{-2e^2-4}$
$y'=\dfrac{e^2-2}{2e^2+4}$
that's it, simplest form

3 0

3 years ago