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3 years ago

Solve the inequality: x - 12 < -16

Mathematics

2 answers:

egoroff_w [7]3 years ago

4 0

X< -4
You need to do inverse operations and add 12 to both sides.

Andrej [43]3 years ago

4 0

Answer:

x > -4

Step-by-step explanation:

What you do is in order to get the x by itself you need to do the opposite of -12 which is just +12 so you need to add 12 to both sides. You should end up with something like this:

x -12 + 12 < -16 + 12

x < -4

So, that should be your answer. Hope this helps :) Have a good day!!

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A Web music store offers two versions of a popular song. The size of the standard version is 2.3 megabytes (MB). The size of the

tamaranim1 [39]

Let x = download size of the standard version.

4515 - x = download size of high quality version.

High quality was downloaded 4 times more so 4 x 4.8 = 19.2 = downloads of high quality versions.

Set up a ratio:

2.3 / 19.2 = x / 4515-x

Cross multiply:

2.3(4515-x) = 19.2x

10384.50 -2.3x = 19.2x

Add 2.3x to both sides:

10384.50 = 21.5x

Divide both sides by 21.5:

X = 10384.50/21.5

X = 483

There were 483 downloads of the standard version.

8 0

3 years ago

Use the order of operations to simplify + 8(2.5 – 0.5).

Monica [59]

$\dashrightarrow \tt8(2.5 – 0.5)$

$\\ \\$

$\dashrightarrow \tt8(3)$

$\\ \\$

$\dashrightarrow \tt8 \times 3$

$\\ \\$

$\dashrightarrow \tt24$

7 0

2 years ago

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the area of a desktop is represented by x^2 - 49. find the dimensions of the desktop in terms of x. show work please.

Levart [38]

Answer:

The dimensions of the desktop are (x+7) units by (x-7) units

Step-by-step explanation:

we know that

The difference of squares is equal to

$a^2-b^2=(a+b)(a-b)$

we have

$x^2-49$

Remember that

$49=7^2$

substitute

$x^2-7^2$

Applying difference of squares

$x^2-7^2=(x+7)(x-7)$

therefore

The dimensions of the desktop are (x+7) units by (x-7) units

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3 years ago

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hoa [83]

You can rid the square root and be left with log of 3/5
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4 years ago

Can you help?

Slav-nsk [51]

46 × 12 = 46 × (10 + 2) =

= (46 × 10 ) + (46 × 2)

= 460 + 92

= 552

5 0

3 years ago

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