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3241004551 [841]
3 years ago
5

Use the system of equations. Please show your steps and how you solved it!

Mathematics
1 answer:
Alinara [238K]3 years ago
6 0
1. 3x+3y=15
        -3y = -3y (subtract 3y from both sides)
    3x       = 15-3y 
  ----------------------
     3         =  3   3  (divide each number by 3)
      x        = 5- y

    
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Snow cone holders are sold in sleeves of 50. How much paper is needed for each sleeve if the cones have a slant height of 5 inch
Genrish500 [490]

Answer:

The correct answer is

Step-by-step explanation:

Snow cone holders are sold in sleeves of 50.

The cones have a slant height (l) of 5 inches and a radius (r) of 3 inches.

Surface area of each cone holder = π × r × l = π × 15 = 15π square inches.

Surface area of all 50 cones in the sleeve = 15π × 50 = 750π = 2357.143 square inches.

Thus 2357.143 square inches pf paper would be necessary for each sleeve each having 50 cone holders.

5 0
3 years ago
An ipod has a playlist with 12 songs. You select the shuffle option for the playlist. What is the probability that the songs are
Lera25 [3.4K]
The probability is really little because a shuffle will shuffle it in a mix order which makes it a really little chance for it to be in alphabetical order
8 0
3 years ago
How to solve this question #4 ?
gayaneshka [121]
This question is a piece-o-cake if you know the formulas for the area and volume of a sphere, and impossible of you don't.

Area of a sphere = 4 π R²  (just happens to be the area of 4 great circles)

Volume of a sphere = (4/3) π R³

We know the area of this sphere's great circle, so we can use the
first formula to find the sphere's radius.  Then, once we know the
radius, we can use the second formula to find its volume.

Area of 4 great circles = 4 π R²

Area of ONE great circle = π R²

           225 π cm²  =  π R²

               R²  =  225 cm²

               R  =  √225cm²  =  15 cm .

Now we have a number for R, so off we go to the formula for volume.

         Volume  =  (4/3) π R³

                      =  (4/3) π (15 cm)³

                      =  (4/3) π (3,375 cm³)

                       =      14,137.17  cm³      (rounded)

This answer feels very good UNTIL you look at the choices.
_____________________________________________________

I've gone around several loops and twists trying to find out what gives here,
but have come up dry.

The only thing I found is the possibility of a misprint in the question:  

If the area of a great circle is 225π cm², then the sphere's AREA is 900π cm².

I'm sure this is not the discrepancy.  I'll leave my solution here, and hope
someone else can find why I'm so mismatched with the choices.
5 0
3 years ago
Read 2 more answers
Pls help the test is timed pls like plsss
snow_lady [41]

Answer:

87.5

Step-by-step explanation:

5 0
3 years ago
I need help with Geometry
Trava [24]
The third one. The two angles don't necessarily have to be equal
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3 years ago
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