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BARSIC [14]
3 years ago
10

Find the length of AD in the figure

Mathematics
1 answer:
Mrac [35]3 years ago
7 0
Find the area of the trapezoid and the shaded area then subtract and u have ur answers
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Vera_Pavlovna [14]
Z=118 as vertically opposite angles are the same

x= (8x-50)
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Simplify: –3(y + 2)2 – 5 + 6yWhat is the simplified product in standard form?
sweet-ann [11.9K]

Answer by Mimiwhatsup:

\mathrm{Multiply\:the\:numbers:}\:3\cdot \:2=6\\=-6\left(y+2\right)-5+6y\\-6\left(y+2\right)\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\a=-6,\:b=y,\:c=2\\=-6y+\left(-6\right)\cdot \:2\\Apply\:minus-plus\:rules\\+\left(-a\right)=-a\\=-6y-6\cdot \:2\\\mathrm{Multiply\:the\:numbers:}\:6\cdot \:2=12\\=-6y-12\\=-6y-12-5+6y\\\mathrm{Simplify}\:-6y-12-5+6y\\Group\:like\:terms\\=-6y+6y-12-5\\\mathrm{Add\:similar\:elements:}\:-6y+6y=0\\=-12-5\\

\mathrm{Subtract\:the\:numbers:}\:-12-5=-17\\Answer is: =-17

6 0
3 years ago
Find the surface area of a cylinder
IceJOKER [234]
A = 2•3.14•3•8 + 2•3.14•3^2 = 207.34512
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How can you determine if two triangle angles are similar using their angle measurements???? In ur own words !!
Andrej [43]

Answer:

If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal. When the three angle pairs are all equal, the three pairs of sides must also be in proportion.

Step-by-step explanation:

hope this helps:0

4 0
2 years ago
Truck brakes can fail if they get too hot. In some mountainous areas, ramps of loose gravel are constructed to stop runaway truc
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Kinetic engery = -1/2mv^2

Work = Fd

Combine:

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-1/2mv^2 = (0.30*15000*9.81*cos(6))d = 0

Multiply both sides by 2:

v^2 = 2d(0.30*9.81*cos(6))

Solve for d:

d=v^2 / 2(0.30*9.81*cos96))

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d = 35^2 / 2*0.30 * 9.81 * cos(6)

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d = 209.27 meters. Round answer as needed.

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3 years ago
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