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Mandarinka [93]

3 years ago

10

How do you solve the inequality 12 < x + 5 so that the variable "x" is on the left side?

2 answers:

Eduardwww [97]3 years ago

7 0

The like terms are 12 and 5, so you have to subtract 5 from both sides.
12 < x + 5
-5. -5
7 < x
We can just switch it around so x is in the left side.
x > 7

Sophie [7]3 years ago

5 0

12<x+5
=12-5<x
=7<x
we can just switch it and it becomes x>7

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Sloan [31]

Answer: 79

Step-by-step explanation:

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3 years ago

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X - 6 - 8 = -19 + x<br><br> Answer: infinite solutions, one solution, zero, no solution

nata0808 [166]

Answer:

No solution.

Step-by-step explanation:

$x-6-8=-19+x$

Subtract x from both sides:

$x-6-8-x=-19+x-x$

$-6-8=-19$

$-14=-19$

Since both sides are not equal, there is no solution.

7 0

4 years ago

A square pyramid has 1 square base and 4 triangular faces. Find its surface area. A. The area of the base is ________ square cen

Vanyuwa [196]

Answer:

See Explanation

Step-by-step explanation:

I will answer this question with the attached square pyramid

From the attached pyramid, we have:

$Base\ Length = 20m$

So, the base area is:

$Area = Length * Length$

$A_1= 20m*20m$

$A_1= 400m^2$

The dimension of each of the 4 triangles is:

$Height = 16.4m$

$Base = 20m$

So, the area of 4 triangles is:

$Area = 4 * 0.5 * Base * Height$

$A_2 = 4 * 0.5 * 20m * 16.4m$

$A_2 = 656m^2$

So, the surface area is:

$Area = A_1 + A_2$

$Area = 400m^2 + 656m^2$

$Area = 1056m^2$

5 0

3 years ago