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muminat
3 years ago
7

What is the area of in square centimeters, of the trapezoid 8.6, 6.4, 12.9

Mathematics
1 answer:
zloy xaker [14]3 years ago
4 0
You have to let us see a picture but you take length x width and divide by 2 to get your answer
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1. Slope = -3<br> Y-intercept = 4<br> Y = mx + b
AURORKA [14]

Answer:

y=(-3)+4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Solve the equation 4(x + 2)= 6x + 4
SIZIF [17.4K]

The answer is x=2

show you step-by-step

step 1:simplify both sides of the equation.

(4)(x)+(4)(2)=6x+4

4x+8=6x+4

step 2:subtract 6x from both sides.

4x+8-6x=6x+4-6x

-2x+8=4

step 3: subtract 8 from both sides

-2x+8-8=4-8

-2x=-4

step 4: divide both sides by -2

-2x/-2= -4/-2

x=2

that helps you


7 0
3 years ago
write the slope-intercept form for the equation of the line described through (4,-5) and parallel to y=--5/4x-4
Tems11 [23]

Answer:

y = -5x/4 + 0

Step-by-step explanation:

Find the slope

y = -5/4x - 4

Slope is the coefficient of x

Slope m = -5/4

Substitute m into point slope form equation

y - y1 = m(x - x1)

y - y1 = -5/4( x - x1)

Substitute the point into the equation

( 4 , -5)

x1 = 4

y1 = -5

y - y1 = -5/4( x - x1)

y - (-5) = -5/4( x - 4)

y + 5 = -5/4(x - 4)

Using a slope intercept form equation

y = mx + c

y - intercept point y

m - slope

x - intercept point x

c - intercept

open the bracket with -5/4

y + 5 = -5(x - 4)/4

y + 5 = (-5x + 20)/4

y = (-5x + 20)/4 - 5

LCM = 4

y =( -5x + 20 - 20)/4

y = ( -5x + 0)/4

Rearrange in

y = mx + c

y = -5x/ 4 + 0/4

y = -5x/4 + 0

The equation of the line is

y = -5x/4 + 0

3 0
2 years ago
recycled newspaper sells for $5.00 for 1 ton the united states recycled 6.6 million tons of newspaper during 1991 use the distri
Tatiana [17]
Well all i can tell you is to do tis


6.6/5.00=1.32

but..... 6.6 is also equal to 6,600,000 so divide 6,600,000 by 5.00= 1,320,000 is your answer
8 0
3 years ago
Find the surface area.<br><br> Any help will be appreciated thank you
marshall27 [118]

Answer:

Find the area of the shape

First the two triangles

3 x 4 = 12 so the area of both triangles is twelve

Now it is only 1 big rectangle left

The side lengths can be added 3 + 4 + 5 = 12

12 x 11 = 132

132+12=144

144 is the surface area/area

If you have any questions please ask

Step-by-step explanation:

4 0
3 years ago
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