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vredina [299]
2 years ago
14

Which polynomial expression represents the perimeter of the rectangle? (3a + 4) (2a - 1)​

Mathematics
1 answer:
Katen [24]2 years ago
7 0

Answer:

10a + 6

Step-by-step explanation:

3a + 4 + 2a - 1

5a + 3

2( 5a + 3)

10a + 6

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Hey can someone help me with #17
Vinvika [58]
D. 54° as you know an external angle has to equal up to 360 

when you start plugging in 360 by 36 gives you 10
360 by 40 gives you 9
360 by 45 gives you 8
360 by 54 gives you 6.666 repeating you know that it isn't possible
you cannot have a repeating number of sides as an angle measure
that's how you get that answer

6 0
3 years ago
well if fiona multiplies a number by 2 thirds the product is greater than 2 thirds which could be that number that fiona multipl
DIA [1.3K]

Answer:

it will be B) 6/5 because thats the only thing that would get you a greater number then 2/3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the ratio for the surface areas of the rectangular prisms shown below,
lawyer [7]
Calculating surface area
Big Prism-
7*14*2=196
7*21*2=294
14*21*2=588
196+294+588=1078

Small prism
3*6*2=36
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6*9*2=108
36+54+108=198

1078:198
Simplify(divide by common factors)
(Divide2)
539:99
(Divide 11)
49:9

C is your answer

5 0
2 years ago
Help me please not tryna fail !
sp2606 [1]

Answer:

x=27

∠JLK=2x+1=2(27)+1=55

Step-by-step explanation:

∠A+∠K=180

3x+13+∠K=180

∠K=167-3x

∠K+∠L+∠J=180

167-3x+39+2x+1=180

207-x=180

x=27

∠JLK=2x+1=2(27)+1=55

Don't worry, you aren't gonna fail. Take a deep breath and relax. Geometry is tricky but you got this. Have a nice night.

7 0
2 years ago
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Solving an equation can be thought of as... Question 5 options: Undoing the equation by going backwards to solve for the variabl
goldfiish [28.3K]

Completing order of operations is the correct answer.

8 0
3 years ago
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