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3 years ago

Which of the following statements is false?

Mathematics

2 answers:

Leona [35]3 years ago

7 0

Answer:

All rectangles are squares is false

Step-by-step explanation:

Plss give brainliest?

Oduvanchick [21]3 years ago

3 0

Answer:

All rectangles are squares

Step-by-step explanation:

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Solve the quadratic equation x2=25/36.<br><br><br>What are the solutions of the equation x2=25/36?

Alinara [238K]

Answer:

x is equal to positive 5/6 and negative 5/6

Step-by-step explanation:

To solve this, you simply need to take the square root of both sides:

$x^2 = \frac{25}{36}\\\sqrt{x^2} = \sqrt{\frac{25}{36}}\\x = \pm \frac{5}{6}$

7 0

3 years ago

2(x/8 + 3) = 7 + 1/4x what is x

malfutka [58]

Answer:

x1 = 2 - $\sqrt{5}$

x2= 2 + $\sqrt{5}$

Step-by-step explanation:

x/4 + 6 = 7 + 1/4x

(x^2 - 1)/4x = 1

x^2 - 1 = 4x

x^2 - 4x -1 = 0

x= (4+ $\sqrt{20}$ )/2 = 2 - $\sqrt{5}$

x= 2 + $\sqrt{5}$

5 0

2 years ago

What is 4x+3y+2z and 3x+5y+3z?

My name is Ann [436]

Answer:

Step-by-step explanation:

7x + 8y + 5z

I put the equations in parentheses, assuming that I would be adding both of the equations together. Then, I removed them and combined the like terms. I used two calculators to check my answer, and this should be correct.

6 0

3 years ago

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When you find the surface area of a cube, you ________ the length of the cube and multiply by 6.

garik1379 [7]

Answer:

A-square

Step-by-step explanation:

The formula for the surface area of a cube is:

SA = 6a²

where a is the length of the cube

7 0

3 years ago

2x - 4 = -2 + 4x <br>what is ×

Marat540 [252]

Answer:

x = -1

Step-by-step explanation:

4 0

3 years ago

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