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liraira [26]
4 years ago
6

Solve for x. Round to the nearest tenth if necessary (will give brainliest please help!!!)

Mathematics
1 answer:
Radda [10]4 years ago
5 0

Answer:

41,1 I installed the solution. good work

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( x, y) satisfies both equations y+18=x(x-3) and x=y+6
antoniya [11.8K]

Answer:

(- 2, - 8 ) , (6, 0 )

Step-by-step explanation:

y + 18 = x(x - 3) ← distribute

y + 18 = x² - 3x → (1)

x = y + 6 → (2)

Substitute x = y + 6  into (1)

y + 18 =(y + 6)² - 3(y + 6) ← expand parenthesis using FOIL

y + 18 = y² + 12y + 36 - 3y - 18

y + 18 = y² + 9y + 18 ( subtract y + 18 from both sides )

0 = y² + 8y = y(y + 8)

Equate each factor to zero and solve for y

y = 0

y + 8 = 0 ⇒ y = - 8

Substitute these values into (2) and evaluate for x

y = 0 : x = 0 + 6 = 6 ⇒ (6, 0 )

y = - 8 : x = - 8 + 6 = - 2 ⇒ (- 2, - 8 )

3 0
3 years ago
HWLP PLEASE I don't know answer
netineya [11]
Z + 3z + 1 + 204 + 54 = 360
4z + 259 = 360
4z = 360 - 259
4z = 101
z = 101/4
z = 25.25 °
7 0
3 years ago
Find the x-intercept of 2x+2y=2
Nana76 [90]

Answer:

x-intercept: <u>(1,0)</u>

y-intercept: <u>(0,1)</u>

Step-by-step explanation:

Given: Find the x and y intercepts of 2x + 2y = 2

<h2><u>X-intercept</u></h2>

To solve for a x - intercept we have to substitue 0 in for y and solve for x

Lets do it:

2x + 2(0) = 2

2x + 0 = 2

2x = 2

x = 1

Therefore, this means that when y = 0, x = 1 or (1,0)

<h2><u>Y-intercept</u></h2>

To solve for a y - intercept we have to substitue 0 in for x and solve for y

Lets do it:

2(0) + 2y = 2

0 + 2y = 2

2y = 2

y = 1

Therefore, this means that when x = 0, y = 1 or (0,1)

3 0
2 years ago
What is the length of AC in the above triangle, rounded to the nearest tenth?​
AfilCa [17]
8.2 i think. I am so sorry if i’m wrong
4 0
3 years ago
What is the laterial area of the cylinder 9 ft 22 ft
klemol [59]
The answer to this question is:

What is the laterial area of the cylinder 9 ft 22 ftAL≈1244.07

Hope This Helped, Syasiahill98
Your Welcome :)
7 0
3 years ago
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