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Leto [7]
3 years ago
5

If x^ 3 = -27, then what is x?

Mathematics
2 answers:
wariber [46]3 years ago
7 0
The cube root of -27 is -3

3√-27 = -3

You can check this by plugging your answer back it

X= -3

-3^3 = -27
LekaFEV [45]3 years ago
6 0
Take 3rd root of -27
that is -3

if you can't see it then
√-27=(√-1)(√27)=(-1)(3)=-3
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PLEASE HELP! Thank you!
Lilit [14]
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To get the inverse function, replace x with y and y with x.
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7 0
3 years ago
Jeri's lawn service charges an initial fee of $4.50 plus $3 an hour. If she is asked to
STALIN [3.7K]

Answer:

5 hours 22 minutes

Step-by-step explanation:

Let us represent the number of hours that Jeri worked as: h

Jeri's lawn service charges an initial fee of $4.50 plus $3 an hour

= $4.50 + $3 × h

= $4.50 + 3h

If she is asked to start before 7 a.m. Jeri charges 1.5 times the regular amount.

= 1.5 × ($4.50 + 3h)

If she made $29.25 on a job that began at 5 am, how many hours did Jeri work?

Hence, we have the final equation;

= 1.5 × ($4.50 + 3h) = $29.25

= 6.75 + 4.5h = 29.25

Collect like terms

= 4.5h = 29.25 - 6.75

4.5h = 22.5

h = 22.5/4.5

h = 5.3571428571

Approximately= 5.36 hours

1 hour = 60 minutes

0.36 hour =

60 × 0.36

= 21.6 minutes

Approximately ≈ 22 minutes

Therefore, Jeri worked for 5 hours 22 minutes

7 0
3 years ago
Let us say there are five flavors of icecream: banana, chocolate, lemon, strawberry and vanilla. we can have three scoops. how m
Morgarella [4.7K]
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6 0
3 years ago
Please help. Complete the following statement
KIM [24]

Your answer would be f(0)=7.07

1. Substitute 0 into x.

2(0)^2+5√(0+2)

2. Simplify

2(0)+5√2

0+5√2

5√2

7.07

This is the simplest and rounded form, therefore, it is the answer to your question.

5 0
3 years ago
Which tribe belonged to the Iroquoian language group? A. Seminole B. Pequot C. Massachusett D. Cherokee E. Powhatan
mel-nik [20]
The answer would be A because Seminole just works
3 0
3 years ago
Read 2 more answers
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