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Luden [163]
3 years ago
9

Please help due in 20 minutes!!

Mathematics
2 answers:
Nikitich [7]3 years ago
7 0

Answer:

length is 15.5 and the width is 12.5

Step-by-step explanation:

Length rectangle = 3cm. longer than its width.

Rectangle perimeter = 56 cm.

find its dimensions?

P = 2L +2w

L= w + 3

P= 56

P = 2L +2w

56 = 2(w+3) +2(w)

56 = 2w +6 + 2w

4w= 56 - 6

4w = 50

w = 50/4

w = 12.5

L= 12.5 +3 = 15.5

L= 15.5

Solution:

Length= 15.5 cm

Width = 12.5 cm

i know it looks complex but i hope this helps :)

ololo11 [35]3 years ago
7 0
I agree with their answers
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I really need help on this please and thank you in advance
sasho [114]

Answer:

Step-by-step explanation:

first, your answer will be negative,

x^12*(2y)^3=x^12(8y^3)

denominator= -x^2*y^12

after we divide them=- 8 x^10/y^9

choice E

7 0
3 years ago
Ill mark u brainliest if u answer pls answer fast& its worth 49 points:
defon
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4 0
3 years ago
3x+y+z=4<br> 2x+2y+3z=3<br> X+3y+2z=5
zhenek [66]
1) 3x+y+z=4
2) 2x+2y+3z=3
3) x+3y+2z = 5

1)*2 6x + 2y + 2z = 8
2)    2x + 2y +3z  = 3
-   __________________
       4x - z            = 5

2)*3  6x + 6y + 9z = 9
3)*2  2x + 6y + 4z = 10
-      __________________
       <span>4x+5z             =-1
</span>
4x+5z = -1
4x - z =5
- ________
6z = -6
<u>z = -1
</u><u /><u>
</u>If z=-1,

4x -(-1) =5
4x = 5-1
x = 4/4
<u>x=1</u>

3x+y+z=4
3(1)+y+(-1)=4
3+y-1=4
<u>y=2

So z=-1, x=1, y=2</u>
6 0
3 years ago
Write the equation of a line that is parallel to y=-0.75x and that passes through the point (8,0).
zzz [600]

Answer:

y - 0 = -3/4(x - 8)

y = -3/4x + 6

Step-by-step explanation:

7 0
3 years ago
Please help urgently ​
jenyasd209 [6]

Answer: no real solution

Thus, the function has no x- intercept

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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