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Leona [35]
3 years ago
8

The length of a rectangle is 1 cm more than three times its width. If the perimeter is 38 cm, what are the dimensions of the rec

tangle? Write a system of equations that
model the following situation. Define each variables with a "Let" statement, write two equations, and solve completely.
Lett =
Let =
Length:
Perimeter
Solve, then complete the following sentence.
The length of the rectangle is
cm and the width is
cm
Mathematics
2 answers:
yawa3891 [41]3 years ago
5 0
Sorry I need points someone already answered I wish and hope the beat for u die
Alexxx [7]3 years ago
4 0

Answer:

897

Step-by-step explanation:

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50 points!
madam [21]

Answer:

either 34 or 214

Step-by-step explanation:

8 0
2 years ago
(2x+4)^2 - (x-5)^2 = 26x<br> Please solve (explained)
Zina [86]

Expand the squared binomials:

(2x+4)^2=4x^2+16x+16

(x-5)^2=x^2-10x+25

Then

(4x^2+16x+16)-(x^2-10x+25)=3x^2+26x-9=26x

\implies3x^2-9=0

\implies3x^2=9

\implies x^2=3

\implies x=\pm\sqrt3

5 0
3 years ago
A class trip to the city will cost $396.66. If the 24 students in the class share the cost, how much will Henry, a student in th
Anni [7]
$396.66/24 students = $16.5275 which could be rounded to $16.53
8 0
3 years ago
Andrew wants 1/4 of a pizza Brice wants 2/9 and Collins wants 5/12 .How many slices would the pizza need to be cut into?
EastWind [94]
The answer is 36. because 12x3=36, 9x4=36, and 4x9=36, so it is the least common denominator
7 0
3 years ago
Read 2 more answers
1-cos^2 A / sec^2 A - tan^2 A
tiny-mole [99]
I hope this helps you



✔cos^2A+sin^2A=1


✔1-cos^2A=sin^2A

✔cos2A=cos^2A-sin^2A

✔sin2A=2.sinA.cosA


secA=1/cosA


tgA=sinA/cosA


sin^2A/1/cos^2A-sin^2A/cos^2A


sin^2A.cos^2A/cos2A

2.sin^2A.cos^2A/cos2A


sin2A.2.sin2A/cos2A


tg2A.2.sin2A


6 0
3 years ago
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