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katovenus [111]
4 years ago
13

Helllllpppl math word Problem do I divide?

Mathematics
2 answers:
Ivanshal [37]4 years ago
8 0
Yes you should, it will get you the right
Greeley [361]4 years ago
7 0
Yes u shoud divide the answer is 9
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Rachel and 5 friends were going to the movies.Each ticket cost $8 and they bought 4 popcorns at $6.25 a piece and then each pers
larisa86 [58]
6 persons * $8= $48
4 popcorns * $6.25= $25
6 persons * $2.75= $16.5 (drinks)

$48+$25+$16.5= $89.50 total
7 0
4 years ago
Show that the operation * on X is binary such that X*Y=a/b.​
grandymaker [24]

Answer:

x=y

Step-by-step explanation:

you put x and then times the a that equal y

7 0
4 years ago
Factor the expression: x^6-729. Show your work Please.
Brut [27]

Answer:

  • (x + 3)(x - 3)(x^2 -3x + 9)(x^2 + 3x + 9)

Step-by-step explanation:

<u><em>Use of formulas:</em></u>

  • <em>a^2 - b^2 = (a + b)(a -b)</em>
  • <em>a^3 + b^3 = (a + b)(a^2 - ab + b^2)</em>
  • <em>a^3 - b^3 = (a - b)(a^2 + ab + b^2)</em>

<u>Given the expression: </u>

  • x^6-729

<u>Factoring 729</u>

  • 729 = 3*3*3*3*3*3 = 3^6

<u>Factoring the expression </u>

  • x^6 - 3^6 =
  • (x^3)^2 - (3^3)^2 =
  • (x^3 + 3^3)(x^3 - 3^3) =
  • (x + 3)(x^2 -3x + 9)(x - 3)(x^2 + 3x + 9) =
  • (x + 3)(x - 3)(x^2 -3x + 9)(x^2 + 3x + 9)
7 0
4 years ago
Please help!!!!!!!!!!
Sunny_sXe [5.5K]

Answer:

From the chapter Playing with numbers

we can define derek has 2×10^2 + 7 × 10^1 + 7× +0^0

as If ABC a number then ABC can be written as 10^2A+10^1B+10^0C

Hope it helps

7 0
3 years ago
Write any equation in slope intercept form of the line that passes through the given point and it's parallel to the graph of the
Orlov [11]
Paralalell means that is has the same slope
y=mx+b
m=slope
y=-1x-2
slope=-1

the equation of a line that passes through the point (x1,y1) and has a slope of m is y-y1=m(x-x1)
given
(2,-2) and slope is -1
y-(-2)=-1(x-2)
y+2=-x+2
minus 2
y=-x
answer is y=-x
4 0
3 years ago
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