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Nata [24]
3 years ago
7

Which of the equations below represents a line parallel to the x-axis

Mathematics
1 answer:
denis23 [38]3 years ago
3 0

Answer:

D.

Step-by-step explanation:

a line that is y= is always horizontal.

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A Web music store offers two versions of a popular song. The size of the standard version is 2.4 megabytes (MB). The size of the
Margarita [4]

Answer:

880 high-quality version

Step-by-step explanation:

I think the below is your full question:

<em>A Web music store offers two versions of a popular song. The size of the standard version is 2.1megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, there were 1290 downloads of the song, for a total download size of 4821 MB. How many downloads of the high-quality version were there?</em>

Here is my answer:

Let x is the number of high-quality version

So the number of standard version= 1290 - x

We also know:  total download size of 4821 MB. which means:

4.5x + 2.1(1290-x) = 4821

<=> 4.5x+2709-2.1x=4821

<=> 2.4x=2112

<=> x=880

So there were 880 high-quality version

5 0
3 years ago
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Which expressions below are equivalent to
Yuri [45]

Answer:

<h2>A, B, D, E</h2>

Step-by-step explanation:

2(2x + 1) = (2)(2x) + (2)(1) = 4x + 2 → A

<em>used distributive property</em>

2(2x + 1) = 2(1 + 2x) → B

<em>used commutative property</em>

2(2x + 1) = (2x + 1) + (2x + 1) = 2x + 1 + 2x + 1 → D

<em>used 2a = a + a</em>

2(2x + 1) = 4x + 2 = x + x + x + x + 1 + 1 → E

<em>used 4x = x + x + x + x and 2 = 1 + 1</em>

6 0
3 years ago
Does the data in the table represent a function?<br><br><br><br> Please help guysssss
Kruka [31]

Answer:

yes,this is a function

Step-by-step:

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3 years ago
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Everyone shop in her favorite store target she buy T-shirts in pair of jeans that cost $20 she’s been a total of 80 or purchase
kumpel [21]

Step-by-step explanation:

so you divide

80 \div 20  = 4

so each t-shirt costs 4$

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2 years ago
What is the best measure of center to use in grading work? (iqr or range)
sergey [27]
Igr, i’m pretty sure
6 0
3 years ago
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