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Radda [10]
3 years ago
10

Which expression is equivalent to (x⁻⁶/x²)³? A. 1/x B. 1/x⁵ C. 1/x⁹ D. 1/x²⁴

Mathematics
1 answer:
vovikov84 [41]3 years ago
8 0

(x⁻⁶/x²)³=(x^-6-2)^3=(x^-8)^3=x^-24=

=1/x²⁴

So the answer is variant D

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1/6 + 7/9 + _____ = 1
Leona [35]

Answer:

\frac{1}{18}

6 0
2 years ago
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A landscaping business bought 8 rose bushes and 15 daylilies for $193. They went back later and bought 3 more rose bushes and 12
pantera1 [17]

Answer:

Each daylilies  cost $7

Step-by-step explanation:

Step one:

let roses be x

and daylilies be y

so

8x+15y=193--------------1

also

3x+12y=117--------------2

we can solve equations 1 and 2 by substitution

8x=193-15y

x=(193-15y)/8

put x= (193-15y)/8  in 3x+12y=117

3((193-15y)/8)+12y=117

(579-45y)/8+12y=117

579-45y=8(117-12y)

579-45y=936-96y

collect like terms

579-936=-96y+45y

-357=-51y

divide both sides by -51

y=-357/-51

y=7

Hence each daylilies  cost $7

put y=7 in eqn 1

8x+15(7)=193

8x+105=193

8x=193-105

8x=88

x=88/8

x=11

rose cost $8

6 0
3 years ago
A passenger train has tickets available for 12 window seats and 8 aisle seats. The next person to buy a ticket will be randomly
Svetradugi [14.3K]

Answer:

2/5

Step-by-step explanation:

There is an 8/20 chance that the next person will receive a window seat. You simplify that probability to get your answer. 8/20 becomes 2/5. So the answer is 2/5.

7 0
2 years ago
What is 2x - y = last question
Elza [17]

Answer:

Step-by-step explanation:

Let's simplify step-by-step.

2x−y

There are no like terms.

Answer:

=2x−y

8 0
2 years ago
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Point w id located at (-2,3) on a coordinate plane. Point W is reflected over the x-axis to create point W" is then reflected ov
Anna11 [10]

Answer:

W'' = (2, -3)

Step-by-step explanation:

Reflection over the x-axis negates the y-coordinate and leaves the x-coordinate alone. The W becomes ...

... W' = (-2, -3)

Reflection over the y-axis negates the x-coordinate and leaves the y-coordinate alone. The W' becomes ...

... W'' = (2, -3)

5 0
2 years ago
Read 2 more answers
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