MATHEMATICS MIDDLE SCHOOL

What value or values of x satisfy 2x + 5.31 = 4.2?ESBE
x can only equal -3.2.
x can only equal 7.4.
O x can equal -3.2 or -7.4.
O x can equal -3.2 or 7.4.

Answers

Answer 1
Answer:

Answer:  x can equal -3.2 or -7.4.

Step-by-step explanation:

The correct expression is:

2|x+5.3|=4.2

So, we have an absolute value equation, where it can be positive or negative:

  • Positive

2 (x+5.3)=4.2

2x+10.6 =4.2

2x=4.2-10.6

2x = -6.4

x= -6.4/2

x = -3.2

  • Negative

2[-(x+5.3)]=4.2

-2x-10.6 =4.2

-2x= 4.2+10.6

-2x= 14.8

x= 14.8/-2

x= -7.4

x can equal -3.2 or -7.4.

Feel free to ask for more if needed or if you did not understand something.  
Answer 2
Answer:

Answer:

(C)

Step-by-step explanation:

x can equal –3.2 or –7.4.

It Was Correct On Edge

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Answers

Answer:

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Step-by-step explanation:

Median is the middle number

I.e. (34 + 30)/2

= 32
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Explanation:

Median: the middle value in a set of numbers

To find the median, you list the set of numbers from least to greatest. Then, you find the number that’s in the middle. If you find that there is two numbers in the middle, you find the middle of the two numbers. For example, if we have 8 and 10 as our middle numbers, 9 is between both of them. This is why 32 is our answer; 32 is between 30 and 34!

Hope this helped!

A rectangle has a length six inches less than twice its width. If the perimeter of the rectangle is 54 inches, find the dimensions.​

Answers

Answer:

let the width of the rectangle be x inches

then the length would be 2x-6

as perimeter =2(l+b)

putting values in formula

perimeter = 2(2x-6+x)

p= 6x-12 but as perimeter p=54inches so

54=6x-12

54+12=6x

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Step-by-step explanation:

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Answers

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Answers

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