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Helga [31]
2 years ago
13

Find the area of the trapezoid. 168 in2 72 ft2 94.5 ft2 84 ft2

Mathematics
2 answers:
Liono4ka [1.6K]2 years ago
6 0

Answer:

Area of trapezoid = 84 ft^2

Step-by-step explanation:

Area of a trapezoid formula is \frac{base1+base 2}{2} \cdot height

Length of base1 is 12ft

Length of base2 is 9ft

The height of the trapezoid is 8ft

Plug in all the values in the formula

Area of a trapezoid= \frac{base1+base 2}{2} \cdot height

=\frac{12+9}{2} \cdot 8

=(12+9) \cdot 4

= 84 ft^2

tia_tia [17]2 years ago
4 0
The answer is going to be 168^2
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Step-by-step explanation:

The system of equations is expressed as

y=-2x+7 - - - - - - - - 1

y=5x-7 - - - - - - - - -2

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We would add 2x to the left hand side and the right hand side of the equation. Also add 7 to the left hand side and the right hand side of the equation. It becomes

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Dividing the left hand side and the right hand side of the equation by 7, it becomes

7x/7 = 14/2

x = 2

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y = - 4 + 7

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3 years ago
How do i find x in this problem
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3 years ago
What is the distributive property for 9(72)
spayn [35]

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3 years ago
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Answer this brainliest pls
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Solve and show work:
Katyanochek1 [597]

Im a keep editing since this is timed.


#1 x-8a/6=3a-2x


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X-8a=18a-12x


Add 12x both sides


X+12x-8a=18a-12x+12x


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Add8a both sides


13x-8a+8a=18a+8a


13x=26a

Divide each side by 13


13x/13=26a/13


X= 26a/13


Reduce and cancel common factor .


X= 13(2a)/13(1)


X=2a/1


X=2a


Problem #2

3x-2a=7a find a


Subtract 3x both sides


3x-3x-2a=7a-3x


-2a=7a-3x


Subtract 7a both sides

-2a-7a=7a-7a-3x


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Divide both sides by 5

5a/5=-3x/5


A= -0.6 or -3/5


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3(bx)+3(-2ab)=b(x)+b(-7a)+3ab


Simplify

3bx-6ab=bx-7ab+3ab


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Simplify


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Add 6ab both sides


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Divide 2b both sides


X= 2ab/2b


Cancel 2 common


X= ab/b


X=a




7 0
3 years ago
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