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sammy [17]
3 years ago
13

Here’s another one that I’m having trouble with

Mathematics
2 answers:
Alla [95]3 years ago
6 0

The total is 94 units.

A square has four equal sides so...

(5x-1)+(4x+3)+(5x-1)+(4x+3)=94

Combine like terms

19x+4=94

Subtract 4 from both sides

94-4=90

18x=90

Divide by 18 on both sides

90/18=5

X=5

Plug 5 in for x on the length of PQ

4(5)+3

20+3=23

Length of PQ=23 units

ch4aika [34]3 years ago
5 0

Answer:

|PQ|=23

Step-by-step explanation:

The perimeter of a rectangle can be found using the formula;

P=2l+2w

Given: P=94,w=5x-1,l=4x+3

We substitute these values to obtain;

2(5x-1)+2(4x+3)=94

Expand the parentheses to get;

10x-2+8x+6=94

Group similar terms;

10x+8x=94-6+2

Simplify;

18x=90

Divide both sides by 18.

x=5

Side

|PQ|=4x+3

We substitute x=5 to get

|PQ|=4(5)+3

|PQ|=23

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