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3 years ago

Which sets of measurements could be the interior angle of a triangle? Select each correct answer.

Mathematics

1 answer:

zhenek [66]3 years ago

8 0

Answer:

the answer is A

Step-by-step explanation:

ignore this part

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The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the ba

mario62 [17]

The type of sampling used here is Stratified random sampling. This is used so that no contestant knows when to prepare and to test if they are actually ready for the contest.

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3 years ago

Please Help NO LINKS

schepotkina [342]

$V = 864\pi$

Step-by-step explanation:

Since one of the boundaries is y = 0, we need to find the roots of the function $f(x)=-2x^2+6x+36$ . Using the quadratic equation, we get

$x = \dfrac{-6 \pm \sqrt{36 - (4)(-2)(36)}}{-4}= -3,\:6$

But since the region is also bounded by $x = 0$ , that means that our limits of integration are from $x=0$ (instead of -3) to $x=6$ .

Now let's find the volume using the cylindrical shells method. The volume of rotation of the region is given by

$\displaystyle V = \int f(x)2\pi xdx$

$\:\:\:\:\:\:\:= \displaystyle \int_0^6 (-2x^2+6x+36)(2 \pi x)dx$

$\:\:\:\:\:\:\:= \displaystyle 2\pi \int_0^6 (-2x^3+6x^2+36x)dx$

$\:\:\:\:\:\:\:= \displaystyle 2\pi \left(-\frac{1}{2}x^4+2x^3+18x^2 \right)_0^6$

$\:\:\:\:\:\:\:= 864\pi$

3 0

3 years ago

Find the slope of line that is parallel to -2x=3y+5

In-s [12.5K]

Answer: m = $-\frac{2}{3}$

Step-by-step explanation:

Turn the equation into slope-intercept form: $-3y = 2x + 5$

Reduce: $y = -\frac{2}{3}x -\frac{5}{3}$

Your parallel slope is: $-\frac{2}{3}$

7 0

3 years ago

Help me plz now i would like it and vote for it if right

Mariana [72]

Answer:

Step-by-step explanation:

2^4 - (2^3 +2^2)

Exponents

16 - (8+4)

Parentheses

16 - (12)

Subtract

3 0

4 years ago

Read 2 more answers

How to find the number of leftover pencils if Wendy wants to share 37 pencils with 9 people?

Alexandra [31]

Do 37 divided by 9
That's the answer

7 0

3 years ago