3 years ago

Answer for the square root(5x-9)+1=x

1 answer:

8 0

$\bf \sqrt{5x-9}+1=x\implies \sqrt{5x-9}=x-1\implies 5x-9 = (x-1)^2 \\\\\\ 5x-9=\stackrel{\mathbb{FOIL}}{x^2-2x+1}\implies 5x=x^2-2x+10\implies 0=x^2-7x+10 \\\\\\ 0=(x-5)(x-2)\implies x= \begin{cases} 5\\ 2 \end{cases}$

You might be interested in

What's the sum off 663 and 23

vlada-n [284]

Answer: 686

Step-by-step explanation: 663 + 23 = 686

8 0

2 years ago

Graph in comments

Xelga [282]

it is going to take 18 miles in 1 hour

3 0

2 years ago

Find the midpoint of the segment connecting (4,7) to (-2,3).

Vadim26 [7]

Answer:

<h2>Midpoint (1 , 5)</h2>

Step-by-step explanation:

Let (x , y) be the coordinates of the midpoint then:

$x=\frac{4+(-2)}{2} = 1\\\\y=\frac{7+3}{2} =5$

6 0

2 years ago

6)a garden was square, but last year she made it makes or shortening one side 5 meters and the other 8 meters. If the area of th

Alekssandra [29.7K]

Answer:

let dimention of original garden be x

then (x-8)(x-5) = 180

x^2 -13x -140 = 0

(x-20)(x+7)=0

x= 20 or x = -7

x = 20

original area = (20)^2

= 400 m^2

5 0

2 years ago

The figure shows the design of a greenhouse with a rectangular floor. The front and back sides of the greenhouse are semicircles

Ksju [112]

9514 1404 393

Answer:

96 cubic feet

Step-by-step explanation:

A volume that is 16 ft by 18 ft by 1/3 ft will be ...

V = LWH

V = (16 ft)(18 ft)(1/3 ft) = 96 ft³

96 cubic feet of concrete are needed.

7 0

3 years ago