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Sonja [21]
3 years ago
11

The information for two pay as you go cell phone companies is given

Mathematics
1 answer:
Serggg [28]3 years ago
5 0
One company wants $10 per 3.5 hours, so they want 10 / 3.5 ≈ 2,86 dollars per hour (after rounding to the closest hundreths).

Second company wants $1.25 per half an hour, so they want 2 * 1,25 = 2,50 dollars per hour.

The unit rate is 2,86:2,50
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Kelly has 4 times as many songs on her music
Korolek [52]

Answer:

<h2>248 Songs</h2>

Step-by-step explanation:

<h3>Step 1; Set up an equation</h3>

4l + 6l + l = 682

<h3>Step 2: Add like terms</h3>

11l = 682

<h3>Step 3: Divide by 11</h3>

l = 62

Lou has 62 songs

<h3>Step 4: Multiply by 4</h3>

Kelly has 248 songs

<h3>Step 5: Check</h3>

Kelly has 248 songs

Lou has 62 songs

Tiffany has 372 songs

Is 248 4 times 62? ✔

Is 372 6 times 62? ✔

Is 248 + 372 + 62 = 682? ✔

<h3>Step 6: Answers</h3>

Kelly has 248 songs

Lou has 62 songs

Tiffany has 372 songs

I'm always happy to help :)

8 0
3 years ago
Find the equation of the line that passes through the points (-4,-2) and (-3,5) in both point-slope form and
kaheart [24]
<h2>Answer:</h2>

First, we must determine the slope, then we find the y-intercept using slope formula and slope-intercept form.

<u>For slope:</u>

<u />m = \frac{5 + 2}{-3 + 4} = \frac{7}{1} = 7<u />

Slope (m) = 7

<u>For y-intercept:</u>

<u />5 = 7(-3) + b\\\\5 = -21 + b\\\\26 = b<u />

Y-intercept (b) = 26

Using this information, we can now create the equations for this line.

y= 7x + 26\\\\y - 5 = 7(x + 3)

Formulas:

Slope formula: <em>y₂ - y₁/x₂ - x₁</em>

Slope-intercept form: <em>y = mx + b</em>

Point-slope form: <em>y - y₁ = m(x - x₁)</em>

<em></em>

*Note: (x₁, y₁), (x₂, y₂) = <em>2 points on the line</em>

6 0
2 years ago
What is the volume (in cubic centimeters) of a cube with 4cm sides?
vova2212 [387]
I think it is 64 just multiply 4 times 4 times 4 because of the sides and to find volume you need to multiply the sides and the height so it should be 64.   
8 0
3 years ago
3- y3 is the simplified form of (x+y) (22 - xy + y )<br> True<br> Or <br> False
sasho [114]

Answer:true

Step-by-step explanation:

6 0
3 years ago
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`If I measure from the very top point of one wave to the same top point on the next wave, what have I measured?
morpeh [17]
I believe it’s wavelength!
7 0
3 years ago
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