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Marat540 [252]
3 years ago
10

The perimeter of a rectangle is 54 meters. One side is three meters less than four times the length of the other side. Find the

dimensions of the rectangle.
Mathematics
1 answer:
Elenna [48]3 years ago
7 0

Answer:

6 and 21 meters long

Step-by-step explanation:

You make an equation from what you got (there are 2 widths and 2 lengths)

2(4w-3)+2w=54---->10w-6=54---> 10w=60 ----> w=6 ---> plug in the rest and you get 21 as the length.

or... make W+L=28 and guess and check!!! takes longer but works!

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erastovalidia [21]

Answer:

88cm

Step-by-step explanation:

38+25+25=88

6 0
3 years ago
The sum of the measures of angle LMN and angle NMP is 180 degrees
Vaselesa [24]

Answer:

angle LMN is 153 degrees.

Step-by-step explanation:

180 = 15g + 18 +3g; combine like terms

180 = 18g + 18; subtract 18 on both sides

162 = 18g; divide 18 on both sides

g = 9

plug in: 15(9) + 18 = 153

please mark brainliest if I helped you!

6 0
3 years ago
Work out m and c for the line: y = 8 x
Ivan

Answer:

m = 8 and c = 0

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 8x ← is in slope- intercept form, that is y = 8x + 0

with m = 8 and c = 0

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=2%28a%20%2B%205%29%20-%203%28a%20%2B%207%29%20" id="TexFormula1" title="2(a + 5) - 3(a + 7) "
Kazeer [188]

Answer:

The solutions are given below:

Step-by-step explanation:

x(x-3)+4(x²+2)

= x²-3x+4x²+8

= x²+4x²+8-3x

= 5x²+8-3x

2(a+5)-3(a+7)

= 2a+10-3a-21

= 2a-3a+10-21

= -a-11

xy(x²yz-xy²z+xyz²)

= x³y²z-x²y³z+x²y²z²

-4(a²-2a+8)

= -4a²+8a-32

<h3>Hope it helps !</h3>
8 0
3 years ago
Read 2 more answers
Is it correct? I’m double checking
Zigmanuir [339]
Yes this is correct
7 0
3 years ago
Read 2 more answers
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