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irina1246 [14]
2 years ago
7

Find the area of the trapezoid​

Mathematics
2 answers:
Yuliya22 [10]2 years ago
5 0
The area of a trapezoid is half its height multiplied by the sum of its two bases. So in other words 1/2h(b1+b2)
avanturin [10]2 years ago
3 0

Answer: C) 27

Step-by-step explanation: formula: A=a+b/2xh so 6+12=18/2=9x3=27

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Hey, Y'all. Was wonderin' bout this pesky question that got me a bit stumped. Thank ya for your help.
puteri [66]
Answer: Choice B) (24,10)

---------------------------------------------------------

Work Shown:

2x - 4y = 8
2( x ) - 4y = 8
2( 3y-6 ) - 4y = 8 ... notice x has been replaced with 3y-6
2(3y)+2(-6) - 4y = 8
6y-12 - 4y = 8
2y-12 = 8
2y-12+12 = 8+12 ... add 12 to both sides
2y = 20
2y/2 = 20/2 ... divide both sides by 2
y = 10

If y = 10, then
x = 3y-6
x = 3*10-6 ... replace y with 10
x = 30-6
x = 24

Put together, the solution is (x,y) = (24,10)
which is why the answer is choice B

As a check, we can plug (x,y) = (24,10) into each equation
x = 3y-6
24 = 3*10 - 6
24 = 30 - 6
24 = 24 ... true equation
and similarly for the second equation as well
2x-4y = 8
2*24 - 4*10 = 8
48 - 40 = 8
8 = 8 ... true equation
Both equations are true when (x,y) = (24,10) so the solution is confirmed
4 0
3 years ago
Use the graph to determine the domain and range of the function
navik [9.2K]

Answer:

Domain (-4,6)

Range(5,0)

Step-by-step explanation:

8 0
2 years ago
What strategy can be used to solve 8 x 25 x 23
wariber [46]
The best way to multiply complicated problems mentally* is to break them into chunks.

Start with 20 times 8 to get 160, and then 8 times 5 to get 40. Add these together to get 200. 200 times 3 is 600, and 20 times 200 is 4000. Add these together to get your final answer, 4600. 

In other words 8 x 20 + 8 x 5 = 200  200 x 3 + 200 x 20 = 4600

*I assumed you meant mentally, because otherwise you'd just multiply longhand, multiplying two of the three numbers and then multiplying their product with the third. 
7 0
3 years ago
Which statement describes the behavior of the function f (x) = 2 x Over 1 minus x squared
Nitella [24]
What grade is this haha idk
4 0
3 years ago
Which number would be greater, the height of a tree in feet or the height of the same tree in yards.
Lelechka [254]

Answer:

The height of the tree in feet would be the larger number

6 0
3 years ago
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