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spin [16.1K]
3 years ago
12

Pls hurry , timed test

Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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A hot air balloon descends from an altitude of 2,000 feet at a constant rate of 90 feet per minute. The graph shows the altitude
SSSSS [86.1K]
Y=90x+2,000

90 is the rate of change because the hot air balloon descends 90 feet per minute.
And 2,000 is the starting point because the hot air balloon started the descent at 2,000 feet.
3 0
3 years ago
A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents
kicyunya [14]

Answer:

                          Hamburger       Chicken

Adults                    65                        60         125

children                 55                        20          75

                             120                        80         200

a)What is the probability that a randomly selected individual is an adult?

Total no. of adults = 125

Total no. of people  200

The probability that a randomly selected individual is an adult = \frac{125}{200}=0.625

b) What is the probability that a randomly selected individual is a child and prefers chicken?

No. of child prefers chicken = 20

The probability that a randomly selected individual is a child and prefers chicken= \frac{20}{200}=0.1

c)Given the person is a child, what is the probability that this child prefers a hamburger?

No. of children prefer hamburger = 55

No. of child = 75

The probability that this child prefers a hamburger= \frac{35}{75}=0.46

d) Assume we know that a person has ordered chicken, what is the probability that this individual is an adult?

No. of adults prefer chicken = 60

No. of total people like chicken = 80

A person has ordered chicken, the probability that this individual is an adult= \frac{60}{80}=0.75

3 0
3 years ago
True or false density is mass overv weight
borishaifa [10]

Answer:

true

Step-by-step explanation:

lel I do not process

3 0
3 years ago
Read 2 more answers
8 times the total of x and 3
Pani-rosa [81]
8(x+3)
total means addition and times means multiplication so when you put it together you get 8*x+3 and because you want the total of x*3 you put it in parentheses
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8 0
3 years ago
Solve this equation: 9x + 3 = 2(x - 4) - 3(2x + 5)
Ksju [112]

Answer: 5x

Step-by-step explanation:

6 0
3 years ago
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