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Arturiano [62]
3 years ago
12

A dentist polls his patients and finds that 83 percent brush their teeth at least twice a day, 47 percent floss daily, and 19 pe

rcent brush at least twice a day and floss daily. What is the probability that a patient flosses daily, given that he or she brushes at least twice a day? Round to the nearest percent.
A.16%
B.23%
C.40%
D.57%
Mathematics
1 answer:
noname [10]3 years ago
4 0
The answer is B (23%)
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3 years ago
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I’m confused on this one
Ghella [55]

In a parallelogram, the opposite angles will be congruent to each other.


In this parallelogram, angles B and C are congruent, and angles A and D are congruent.


We will work on angles B and C first. Set the two angles to equal each other:


12x + 6 = 6x + 66


Subtract 6 from both sides:


12x = 6x + 60


Subtract 6x from both sides:


6x = 60


Divide both sides by 6 to get x by itself:


\boxed{x = 10}


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Set angles A and D to equal each other:


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Divide both sides by 3 to get y by itself:


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y will equal 18.


The x and y values that make this quadrilateral a parallelogram will be x = 10, and y = 18.

3 0
3 years ago
Evaluate the expression 15x + 4 for x = -1 1/2​
olga_2 [115]

Answer:

18.5

Step-by-step explanation:

First we plug in the number

-1 1/2 is the same as -1.5

Plugging this in we will have:

15(-1.5) + 4 =

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5 0
3 years ago
Lon: f(x) = 2x2 + 1<br> The answer?
ZanzabumX [31]

Answer:

Step-by-step explanation:

then the answer is 5

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3 years ago
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adelina 88 [10]

Answer:

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Step-by-step explanation:

Gross base pay can be defined as the pay per hour which has been discussed and finalized by the employer and employee at the time of job offering. It is the minimum amount of pay the employee is to receive. The tips, bonuses, allowances are not considered in the Gross base pay. Moreover, it is the basic pay an employee gets before any kind of tax deductions..

Gross base pay can easily be calculated by multiplying the pay per hour with the number of hours worked.

Pay per hour = $8.60

Numbers of hours worked = 15

Gross Base Pay = 8.60×15 = $129

3 0
3 years ago
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