3 years ago

150 degree angle is called _______

Mathematics

2 answers:

GrogVix [38]3 years ago

8 0

Parathyroid, a 150 degree angle

s344n2d4d5 [400]3 years ago

3 0

Is the answer you're looking for obtuse?

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Set up the integral that uses the method of disks/washers to find the volume V of the solid obtained by rotating the region boun

Blababa [14]

Answer:

$a)\: \frac{3}{2} \pi$

$b) \:\frac{47}{5} \pi$

Step-by-step explanation:

$y=3\sqrt x,\:\:y=3,\:\:x=0$

a) about the line y = 3

$3\sqrt x=3$ ⇒ $x = 1$ is the intersection point

So,

$V=\int\limits^1_0\pi(3-3\sqrt x)^2\:dx=\pi\int\limits^1_0(9-18\sqrt x+9x)\:dx=\\\\=\pi(9x-12x^{3/2}+9/2x^2)|^1_0=\pi(9-12+9/2)=\frac{3}{2} \pi$

b) about the line x = 5

$y=3\sqrt x$ ⇒ $x=y^2/9$

So,

$V = \int\limits^3_0\pi([5-0]^2-[5-y^2/9]^2)\:dy=\pi\int\limits^3_0(25-25+10y^2/9-y^4/81)\:dy=\\\\=\pi(10y^3/27-y^5/405)|^3_0=\pi(10-3/5)=\frac{47}{5} \pi$

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4 years ago

Sharon bought a mixture of nuts that was made up of pecans, walnuts and cashews in a ratio by weight of $2:3:1$, respectively. I

DanielleElmas [232]

Answer:4.5

Step-by-step explanation:

2+3+1=6, 3 divided by 6 equals to 1/2. 1/2 times 9 equals 4.5 pounds of walnuts

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3 years ago

HELPPP ASAPPPPPPPPPPA triangle has sides that measure 4 units, 6 units, and 7.21 units. What is the area of a circle with a circ

Zepler [3.9K]

Answer:

24 units

i took the test and got it right

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4 years ago

Simplify 2y^2 + 2y + 2y + 2x^2.

klio [65]

Answer:

2x^2+2y^2+4y would be your answer

Step-by-step explanation:

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3 years ago

I need help with these two questions. C and E

GaryK [48]

2*9= 18
2*2*9= 2*18= 36sq cm
-----------------------------------------
2*3=6
6*2*3=6*6= 36 sq cm

7 0

3 years ago

Read 2 more answers