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Andrei [34K]
2 years ago
15

X- 18 = 0 Number of real number solutions

Mathematics
2 answers:
Neko [114]2 years ago
5 0

Answer:

X= 18

Step-by-step explanation:

18-18=0

x=18

sammy [17]2 years ago
5 0

Answer:

\displaystyle One\:Solution

Step-by-step explanation:

x - 18 = 0

\displaystyle 18 = x

I am joyous to assist you anytime.

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The length of a rectangle is 8 feet more than its width. If the width is increased by 4 feet and the length is decreased by 5 fe
alexgriva [62]
Let the width be x.

Length is 8 feet more than width. Length = x + 8

Area = x(x + 8)

width increased by 4, that is,  (x + 4)
Length decreased by 5,    (x + 8 - 5) = (x + 3)

Area  = (x + 4)(x +3)

Area remains the same

x(x + 8) = (x+4)(x +3)

x² + 8x =   x(x +3) + 4(x +3)

 x² + 8x =   x² +3x + 4x +12

x² + 8x =   x² +7x +12        Eliminate x² from both sides

8x = 7x + 12

8x - 7x = 12

x = 12

Dimensions of original rectangle :  x,  x + 8

12, 12 +8 =   12, 20

Original rectangle is   20 feet   by 12 feet 
5 0
3 years ago
Read 2 more answers
An athlete plains to run 3 miles. Each lap around th school yard is 3/7 miles how many laps will the athlete run
kati45 [8]

Answer: 7 laps

Step-by-step explanation:

The athlete planned to run 3 miles

1 lap = 3/7 miles

x laps = 3 miles

by proportion :

x × 3/7miles = 3 miles

x = 3 ÷ 3/7

x = 3 x 7/3

x = 7

Therefore: the athlete will run 7 laps

3 0
3 years ago
What is 56048 divided by 543
ddd [48]

Step-by-step explanation:

56048 divided by 543= 103.219153

8 0
3 years ago
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Twice the difference of a number and 1 is 4 more than that number. find a number using polyas 4 steps
professor190 [17]

Answer:

x=3

Step-by-step explanation:

2(x-1)=4

2x-2=4

2x=4+2

2x=6

x=6/2=3

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3 years ago
Mariza é costureira e, para determinar o comprimento de elástico, em cm, que utiliza na confecção de determinado modelo de calça
tresset_1 [31]
X = 40, Y = 15
40(2) + 15(2) = 80 + 30 = 110 :)
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3 years ago
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