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Novosadov [1.4K]
3 years ago
13

erin has $50. she wants to purchase a cell phone ($20) and spend the rest in music cds each cd costs $8. write an inepuality for

the number of music CDs she can purchase.
Mathematics
1 answer:
HACTEHA [7]3 years ago
3 0
She can buy 3 because 50-20=30  30/8=3.75 so u round down cause you don't have enough money to buy 4
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Write the sum of the numbers as the product of their GCF and another sum. Include work if possible.
trasher [3.6K]
It <span> looks like the first thing you have to find is their GCF, ya reckon ?</span>

The factors of  56  are  1, 2, 4, 7, 8, 13, 28, and 56 .

The factors of  64  are  1, 2, 4, 8, 16, 32, and 64 .

The common factors are  1, 2, 4, and 8 .

The greatest one is  8 .

56/8 = 7
64/8 = 8

56  plus  64 = (8 times 7)  plus  (8 times 8)

<span>56  plus  64 =  </span>8 times (7 plus 8)<span>    <== that's the answer</span>

Check it out:

<span>56  plus  64 = </span>120

<span>8 times (7 plus 8) = 8 times 15 = </span><span>120</span>
6 0
3 years ago
Read 2 more answers
Which ratio best defines experimental probability?
Lyrx [107]
I think the answer is B. Hope I helped a little :)
3 0
4 years ago
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Why do we Divide the volume formula for a rectangular prism by three.
Schach [20]
<span>The volume of a pyramid is 1/3 × (the area of the base) × (the height). I do not know an intuitive way to show why the fraction 1/3 appears.

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If the pyramid has a square base with side length x and the height of the pyramid is x/2 then you can put six of these pyramids together to form a box or cube.


<span>1/6 x^3 = 1/3 × x^2 × (1/2 x) = 1/3 × (the area of the base) × (the height).Hopefully this gives you some info if not just ask and i can give you a much simpler answer
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6 0
3 years ago
a kayaker travels x miles per hour downstream for 3 hours. on the 4-hour return trip, the kayaker travels 1 mile per hour slower
o-na [289]
3x is the miles from downstream
4 (x - 1) is the return trip 

Solution:
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-x = -4 
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The outward journey 3x = 12 miles 
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7 0
3 years ago
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In the figure, line l || line m. Find the measure of the angle 6
Minchanka [31]
Angle 3 is congruent to 124 by vertical angles.
Angle3 and angle 5 are supplementary by same side interior
So 180 - 124 =56
Then angle 5 is congruent to angle 6 by vertical angles
Thus angle 6 is 56 degrees
6 0
3 years ago
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