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lutik1710 [3]
2 years ago
6

Hii I need help with these questions tyy!

Mathematics
2 answers:
frez [133]2 years ago
7 0
22.,,.,.,.,..,...,,,.
9966 [12]2 years ago
4 0

Answer:

(7x+2)(3x-1); (5x+4)^2 or (5x+4)(5x+4);

Step-by-step explanation:

formula to find area is L* W = A ; meaning length multiplied by width equals to the area.

21.

using the formula to find area...

l*w=a

(7x+2)(3x-1) would be your answer

btw, don't put the "=a" at the end, since it's an expression :))

22.

since the problem states that it's a square, you can just say either...

(5x+4)^2 or (5x+4)(5x+4) not sure which one your teacher accepts

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Please help and show work​
melisa1 [442]

Answer:

first one is simnple cross multiply and divide

12*7=4x

84=4x

x=21

2nd same process but more steps

7x=5(x+8)

7x=5x+40

7x-5x=40

2x=40

x=20

Step-by-step explanation:

4 0
3 years ago
Which figures are polygons?
MA_775_DIABLO [31]
Im pretty sure the answer would be A, B & D
4 0
3 years ago
Read 2 more answers
A rectangle's perimeter and area have the same value. The width of the rectangle is 6 units. What is the length of the rectangle
Sliva [168]

Answer:

The length ot rectangle is 3 units.

Step-by-step explanation:

The formula for perimeter is P = 2l + 2w and the area is A = l×w. Assuming that the perimeter and area have the same values so you have to compare it :

perimeter = 2l + 2w

area= l \times w

perimeter = area

2l + 2w = lw

let \: w = 6

2l + 2(6) = 6l

2l + 12 = 6l

12 = 6l - 2l

4l = 12

l  = 3 \: units

8 0
3 years ago
2 Parts <br> I NEED HELP ASAP!!!
zavuch27 [327]

Answer:

2- B

3- A

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is 222 rounded to the nearest hundred? is it 200?
d1i1m1o1n [39]
Yes it is 200. If its not 5 or more you round down, in this case 50 or more.
5 0
4 years ago
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