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makvit [3.9K]
3 years ago
15

How do you solve radical 2x plus 5 equals x?

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
8 0
X=-5 is your answer. Hope this helps :)
Brums [2.3K]3 years ago
8 0
Radical 2x+5 equals x

1. Square both side.

2x+5 equals x square

Move everything to one side.
X square-2x-5=0

Since this time, we can't factor very well. We need to use the quadratic formula.

-b+- square root b square- 4ac divided by 2a

This gives: -(-2)* square root( 4-4(1)(5))/ 2

Notice that we get 2 plus and minus square root of -16.

Which is an imagery/ complex solution.

The value of x could be 2+i4/2 or 2-i4/2
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A shipping company charges a $6 flat fee for a package, plus a fee based on the weight of the package. The company charges $1.25
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8 0
3 years ago
PLS HELP ME I ONLY HAVE # HOURS TO COMPLETE I WILL MARK THE BRAINLIEST!!!
nata0808 [166]

triangle on right is the same as the triangle on the left

use pythagorean theorem

hypotenuse will give to the sides of the rectangle

a^2 + b^2 = hypotenuse squared

10.4^2 = 108.16

15.3^2 = 234.09

342.25 = hypotenuse squared

take the square root in both sides

hypotenuse = the square root of 342.25 =

18.5

add up the areas of the 2 triangles and rectangle

triangle area is 1/2 times 10.4 times 15.3 =

79.56

2 triangles areas are 159.12

rectangle area is 18.5 × 7 = 129.5

159.12 + 129.5 = 288.62

answer 1 = 288.62

second question:

to get 1 side take the

square root of 702.25 which is

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to get the perimeter

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106

answer 2 is choice B 106

3 0
2 years ago
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