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3 years ago

9

Christina is a dentist at the office she books 30 appointment each day three out of every 18 appointments are canceled how many

appointments are canceled each day

1 answer:

andrew11 [14]3 years ago

6 0

Answer:

5

Step-by-step explanation:

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What is the standard form of nine million, twenty thousand, twenty-nine

KatRina [158]

Answer:

9000000+20000+20+9

Step-by-step explanation:

4 0

3 years ago

A population has groups that have a small amount of variation within them, but large variation among or between the groups thems

Sauron [17]

Answer:

B. stratified.

Step-by-step explanation:

If a population is composed by identifiable groups or strata, with large variations between groups, the stratified sampling should be applied in order to comprehend and represent all of the different groups in the sampling process.

Therefore, the answer is alternative B. stratified.

6 0

3 years ago

What are the real and complex solutions of the polynomial equation X^3-216=0

vazorg [7]

Answer:

$6,\ -3+3\sqrt{3}i,\ -3-3\sqrt{3}i$

Step-by-step explanation:

Factor the equation $x^3-216=0$ using formula for difference of the cubes:

$x^3-216=(x-6)(x^2+6x+36),$

then

$x-6=0\ or\ x^2+6x+36=0.$

1. The equation $x-6=0$ has real solution $x=6.$

2. The equation $x^2+6x+36=0$ has negative discriminant $D=6^2-4\cdot 36=36-144=-108,$ then it has two complex solutions

$x_{1,2}=\dfrac{-6\pm 6\sqrt{3}i}{2}=-3\pm3\sqrt{3}i.$

3 0

3 years ago

9×6=30+? please help me with it

7nadin3 [17]

Hi there
let me help you out
<span>
9 x 6 = 30 + </span><span>x
</span><span>
9 x 6 = 54

54= 30 + x

54 - 30 = x

24 = x

x = 24

</span>

6 0

4 years ago

Read 2 more answers

Enter an equation for the statement.

mars1129 [50]

Answer:
r-40=p
Explication:
The price of a radio is $40 less then a CD player

8 0

2 years ago