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3 years ago

What is the RANGE of this graph

Mathematics

1 answer:

noname [10]3 years ago

7 0

Answer:

[-3,1)

Step-by-step explanation:

range applies to the y values.

the dot is solid at y = -3 so you put a bracket.

the dot is hollow at y = 1 so you put a parenthesis.

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Sandra throws an object straight up into the air with an initial velocity of 38 ft/s from a platform that is 30 ft above the gro

Makovka662 [10]

Answer:

The answer is C.

Step-by-step explanation:

Given formula h(t)=−16t2+v0t+h0 , where v0 is the initial velocity and h0 is the initial height.

In this case, the initial postion is a platform 30ft above ground so h0=+30

The initial velocity is 38 ft/s straight up into the air so v0=+38

h(t)=-16t2+38t+30

When the object hits the ground, h=0.

h=-16t2+38t+30=0

Simplifying 8t2-19t-15=0

(8t+5)(t-3)=0

t=-5/8 or 3

As time cannot be -ve, t=3s. The answer is C.

6 0

3 years ago

Read 2 more answers

Devin jumped off a cliff into the ocean in Acapulco while vacationing with his family. His height as a function of time could be

sukhopar [10]

Answer:

3 seconds

Step-by-step explanation:

Given the height modelled by the function

h(t) = -16t² + 16t + 96

The hit the water at h(t) = 0

0 = -16t² + 16t + 96

Divide through b y -16

0 = t² - t - 6

t² - t - 6 = 0

t² - 3t+2t - 6 = 0

t(t-3)+2(t-3) = 0

t+ 2 = 0 and t - 3 = 0

t = -2 secs and t = 3secs

Since t can't be negative, hence;

t = 3 secs

hence it will take 3 seconds until Devon hit the water

7 0

3 years ago

a survey of 46 college athletes found that 24 played volleyball, while 22 played basketball. if we pick 2 athletes at random wit

Yuliya22 [10]

Answer:

88/345 which is 0.2551

Step-by-step explanation:

Since we are picking 2 athletes randomly and without replacement.

Probability of 1 volleyball player = 24/46 = 12/23

Probability of basketball player (this is after 1 volleyball player has already been picked). We have 45 players left. = 22/45

probability of picking one volleyball player and one basketball player

p(volleyball player and basketball player)

(12/23) x (22/45)

= 88/345

4 0

4 years ago

Solve 110 = 10p. p = 12 p = 100 p = 120 p = 11

Temka [501]

You would need to divide both sides by 10.
110=10p
11=p

6 0

4 years ago

PWEASE HELPPPPP

AveGali [126]

Answer:

For the length I think you meant 32, and if you did it is $14.40

If not and you meant length of 2 it is $0.90

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers