A dentist was making note of his upcoming appointments with different aged patients and the reasons for their visits.The probability that an appointment is with patients over 60 years old is 0.2, and the probability that it is for a broken tooth is 0.4.
What is the probability that a randomly chosen appointment is with patients over 60 years old or is for a broken tooth if those are independent events?

Answers

Answer 1
Answer:

Answer:

.08

Step-by-step explanation:

40% of 20% is 8%


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What is 4.39 rounded to the nearest tenth
Grapes were on sale for $0.92 per pound . If Jeff purchased 0.75 pounds , how much did he pay for the grapes ?

What is 4 2/10 - 2 8/10

Answers

Answer: 7/5 or 1 2/5

Step-by-step explanation:

Look at attachment

Answer:1.4

Step-by-step explanation: 4 2/10 - 2 8/10=1.4

Find the missing term

Answers

a) +4a +13
b) -5x

just do it step by step its easier

2 3 • 2 4 is equal to _____.a. seven factors of two
b. two factors of seven
c. 12 factors of two
d. two times 12

Answers

A. seven factors of 2

when multiplying exponents with the same base the exponents add

The baby sleeps from 9pm to 5am. How many hours does the baby sleep?

Answers

Answer: 8 hours.

Step-by-step explanation:

If the baby sleeps from 9pm to 5am, you will count. 9pm-12am is 3 hours of sleep. if you add 5 more hours, (12am+5 hours) it equals 5am. 5hours + 3hours is 8 hours.

Answer: 8 hours

Step-by-step explanation:

if you add 9+5 you will get 14 but if you count it like you would for hours it would be 9-10-11-12-1-2-3-4-5

Determine the equation for the parabola graphed below

Answers

Answer:

y=(x-2)^2-1

Step-by-step explanation:

The given function:

Since the function  is open upwards means is of y=x^2

And we can see one unit down and 2 units shifted on right in parent function.

Therefore, the function is of y=(x-2)^2-1

Graph takes parabola shape by quadratic function.

You mix soda water, fruit punch concentrate, and ginger ale in the ratio of 1 : 2 : 5 to make fruit punch. How many pints of each ingredient should you use to make 4 gallons of fruit punch?

Answers

All you do is 1x+2x+5x=8x then you turn 4 s into pints. 1 gallon equals 4 pints 4*4=16 pints. 8x=16 x=2. Then you multiply everything by 2

1*2=2 
2*2=4
2*5=10

2pints of soda water
4 pints of fruit punch
10 pints of ginger ale