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k0ka [10]
3 years ago
11

Please please help with this!!

Mathematics
2 answers:
dsp733 years ago
8 0

Answer:

115 degrees

Step-by-step explanation:

A quadrilateral is always equal to 360 degrees.

You add up all 3 angles which equal 245.

Subtract that from 360 to get the remaining angle x= 115.

BlackZzzverrR [31]3 years ago
6 0

Answer: 115

Step-by-step explanation:

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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
faltersainse [42]

Answer:

V = 34,13*π   cubic units

Step-by-step explanation: See Annex

We find the common points of the two curves, solving the system of equations:

y²  = 2*x                           x = 2*y  ⇒  y = x/2

(x/2)² = 2*x

x²/4 = 2*x

x  =  2*4         x  = 8      and   y = 8/2       y = 4

Then point  P ( 8 ;  4 )

The other point Q is  Q ( 0; 0)

From these  two points, we get the integration limits for dy ( 0 , 4 )are the integration limits.

Now with the help of geogebra we have: In the annex segment ABCD is dy then

V = π *∫₀⁴ (R² - r² ) *dy   =  π *∫₀⁴ (2*y)² - (y²/2)² dy =  π * ∫₀⁴ [(4y²) - y⁴/4 ] dy

V = π * [(4/3)y³ - (1/20)y⁵] |₀⁴

V =  π * [ (4/3)*4³ - 0 - 1/20)*1024 + 0 )

V = π * [256/3  - 51,20]

V = 34,13*π   cubic units

3 0
2 years ago
Is the student correct?​
Pachacha [2.7K]
Yes the student is correct
6 0
3 years ago
PLS HELP, WILL GIVE BRAINLIEST​
faltersainse [42]
11x-2 that’s the answer
3 0
2 years ago
Read 2 more answers
6(3x+6)-(2x) what can be the answer to that equation
Butoxors [25]

Answer:

-9/4

Step-by-step explanation:

18x+36-2x=0

16x+36=0

4(4x+9)=0

x=-9/4

7 0
3 years ago
What is the Radius of a cylindrical water tank that has a circumference of 85 meters?
Tju [1.3M]
C=2pr

r=C/(2p) and we are given C=85 so

r=85/(2p) meters

r≈13.53 meters (to nearest one-hundredth of a meter)
7 0
3 years ago
Read 2 more answers
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