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Marizza181 [45]
2 years ago
11

What is the measure of each angle of the hexagon? 60° 90° 120° O 144°

Mathematics
1 answer:
Andrews [41]2 years ago
5 0
120 degrees & can I get the most brainlist?
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1/5x + 4 =1/3x-8 <br> Can you show your work too? That would be great
Vikentia [17]

Answer:

90

Step-by-step explanation:

1/5x+4=1/3x-8

add 8 to both sides and subtract 1/5x from both sides

4+8=1/3x-1/5x

12=5/15x-3/15x

12=2/15x

divide both sides by 2/15

12÷2/15=x

when dividing by a fraction, invert and multiply

12*15/2=x

90=x

CHECK:

1/5(90)+4=1/3(90)-8

18+4=30-8

22=22

5 0
2 years ago
The slope of the line tangent to the curve y^2 + (xy+1)^3 = 0 at (2, -1) is ...?
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\frac{dy}{dx}2y + \left(y+x\frac{dy}{dx}\right)\ * 3(xy+1)^2 = 0&#10;\\&#10;\\\frac{dy}{dx}2y + \left(3y+3x\frac{dy}{dx}\right)  (xy+1)^2 = 0&#10;\\&#10;\\2y\ y' + \left(3y+3x\ y'\right)  (xy+1)^2 = 0&#10;\\&#10;\\2y\ y' + \left(3y+3x\ y'\right)  ((xy)^2+2xy+1) = 0&#10;\\&#10;\\2y\ y' + \left(3y+3x\ y'\right)  ((xy)^2+2xy+1) = 0&#10;\\&#10;\\2y\ y' + 3x^2y^3 +6xy^2+3y+(3x y' +6x^2y y'+3x^2y y') = 0&#10;\\&#10;\\3x^2y^3 +6xy^2+3y+(3x y' +6x^2y y'+3x^2y y'+2yy' ) = 0&#10;\\&#10;\\y'(3x +6x^2y+3x^2y+2y ) = -3x^2y^3 -6xy^2-3y&#10;&#10;
y' = \frac{-3x^2y^3 -6xy^2-3y}{(3x +6x^2y+3x^2y+2y )};\ x=2,y=-1&#10;\\&#10;\\y' = \frac{-3(2)^2(-1)^3 -6(2)(-1)^2-3(-1)}{(3(2) +6(2)^2(-1)+3(2)^2(-1)+2(-1) )}&#10;\\&#10;\\y' = \frac{-3(4)(-1) -6(2)(1)+3}{(6 +6(4)(-1)+3(4)(-1)-2 )}&#10;\\&#10;\\y' = \frac{12 -12+3}{(6 -24-12-2 )}&#10;\\&#10;\\y' = \frac{3}{( -32 )}

7 0
3 years ago
1. A-Tunes requires a membership fee of $12 a month and $1 for each download.
matrenka [14]
<h3>Answer:</h3>

After 16 downloads the charges will equal each other.

<h3>Step-by-step explanation:</h3>

First set up an equation

x = Downloads

12 + 1x = 5 + 1.5x

Solve

12 + 1x = 5 + 1.5x <- Rewrite your equation

-5          -5            <- Subtract 5 from both sides

 8 + 1x = 1.5x       <- Simplify

      -1x    -1x         <- Subtract 1 from both sides

        8 = 0.5x      <- Simplify

        8 = 1/2x       <- Convert 0.5 to a fraction to make the next step easier

       16 = x            <- Multiply both sides by 2 to divide by

                                 a fraction

4 0
3 years ago
A frightened child is restrained by her mother as the child slides down a frictionless playground slide. If the force on the chi
MissTica

Answer:

Step-by-step explanation:

Given

Restrained Force F=116 N

Increase in Kinetic Energy \Delta K.E.=30 J

Distance moved d=1.9 m

Work done by all the forces is equal to change in Kinetic Energy of Object i.e. by gravity force, Normal force and Applied Force

\Delta K.E.=W_g+W_f+W_N

30=W_g-F\cdot d

30=W_g-116\cdot 1.9

W_g=250.4 J

(b)In absence of applied force thus

work done by gravity will be equal to  change in kinetic Energy

change in Kinetic Energy=210 J

6 0
3 years ago
5x88x9x7x3x9x10x31x47=
Gre4nikov [31]
1.09047708 E10 i guess
6 0
3 years ago
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