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My name is Ann [436]
3 years ago
9

Solve this equation algebraically!!

Mathematics
1 answer:
NeTakaya3 years ago
5 0

Answer:

See Explanation

Step-by-step explanation:

1 -  \sqrt{x}  \neq \: 0 \\  \\  \therefore \: 1 \neq \sqrt{x}  \\  \\  {1}^{2}  \neq ({ \sqrt{x}) }^{2}  \\  \\ 1 \neq \: x \\

Hence, x will take values other than 1.

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The system of equations is graphed on the coordinate plane.
ehidna [41]

Answer: The solution is (3, -2)

This means that x = 3 and y = -2 pair up together.

=====================================================

Explanation:

The solution is where the two lines cross. Note if we started at the origin (0,0) and moved to the right 3 units, and then down 2 units, we would arrive at the location (3, -2).

-----------------

As a way to check, we can plug x = 3 into each equation. We should get y = -2 as a result for each equation

y = (-5/3)x + 3

y = (-5/3)*3 + 3

y = -5+3

y = -2

The first equation is confirmed. Let's check the second equation

y = (1/3)x - 3

y = (1/3)*3 - 3

y = 1 - 3

y = -2

Both equations have the y value equal -2 when x = 3. Therefore, the overall solution is confirmed.

3 0
2 years ago
Given: x+2y=-6. Solve for y. y=x-6/2
Snowcat [4.5K]
x+2y=-6\\\\2y=-6-x\quad|:2\\\\y=\dfrac{-6-x}{2}\\\\\\\boxed{y=-3-\frac{x}{2}}
5 0
3 years ago
116,02 LC)
nadezda [96]
B. Triangle B and Triangle D
Triangle A has all equal sides and Triangle C is a right triangle.
5 0
3 years ago
50 POINTS NO JOKE IM DYING I NEED HELP
Effectus [21]

Answer:

9 x 7 = 63 is cost of 9 people

3 x 9

6 x 8

8 x 8

9 x 7

3 0
3 years ago
The ratio of boys to girls in a class is 3:4. There are 35 students in the class. How many students are boys?
cricket20 [7]

Answer:

15 boys and 20 girls

Step-by-step explanation:

1. Since we cant simplify 3:4 we will leave it just like that.

2. 3x+4x=35

3. We add them both to give us 7x=35

4. We divide by 7 to get x by itself which results in 35/7=5.

x=5

5. Now we found x we can create 2 seperate soulutions:

3(5)=

and 4(5)=

Therefore there are 15 boys and 20 girls in the class. This makes sense because 15/20 reduced is 3 over 4.

6 0
3 years ago
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