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damaskus [11]
3 years ago
14

Help please it’s math

Mathematics
2 answers:
viva [34]3 years ago
6 0

The answer is 7.56

4.5 x 1.68 = 7.56

baherus [9]3 years ago
5 0

Answer:

b. $7.56

Step-by-step explanation:

multiply 4.5 x 1.68

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azamat

Answer:

The perimeter of rectangle is 18\ cm

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

x=y+5 ----> equation A

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substitute the equation A in equation B

120=(y+5)y+2(y+5)^{2}+2y^{2}

120=(y+5)y+2(y+5)^{2}+2y^{2}\\ 120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0

using a graphing calculator -----> solve the quadratic equation

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8 0
3 years ago
Which number line represents the solutions to |x – 5| = 1? A number line from negative 7 to 7 in increments of 1. Two points, on
pochemuha

Answer:

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Step-by-step explanation:

<u>Equations with absolute value </u>

The absolute value of a number x denoted as |x| is a number with the same magnitude with a positive sign. When we know the result of an absolute value, we cannot know if the original number is positive or negative.  

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The equation to solve is |x – 5| = 1. If we apply the above criteria, then

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6 0
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velikii [3]
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answer
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