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mash [69]
3 years ago
6

What situation could the graph represent?

Mathematics
2 answers:
vfiekz [6]3 years ago
7 0

Answer:

d, as long as distance is y(up) and time is x(across)

Step-by-step explanation:

a. the graph would go up and then slow down. b. the graph could be this. d. distance does not look like this.

Artyom0805 [142]3 years ago
4 0

Answer:

c

Step-by-step explanation:

The graph has a positive slope (it's increasing). SO the scenario has to be something increasing.

a matches but only for the first part where the speed s 0 at the stop sign then approaching a stoplight, it would slow down, so the graph would turn down at that point.

for b, air temperature doesn't increase over 24 hours, it goes up then goes down after the sun sets.

d, the walking home from school you would be getting closer with every step, so the graph would have a negative slope (slope down)

c. the runner is racing and adding more distance with time, except the flat part where time passed but they didn't add any more distance since they were on the ground. After they got up and continued to run, the graph still slopes up since the distance they are running is increasing.

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3 years ago
A builder was building a fence. In the morning, he worked for 2/5 of an hour. In the afternoon, he worked for 9/10 of an hour. H
guajiro [1.7K]

Answer:believe it’s 12

Step-by-step explanation:

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3 years ago
In a certain town in the united states, 40% of the population are democrats and 60% are republicans. The municipal government ha
mixer [17]

Answer:

(a) 0.48, (b) 0.625, (c) 0.1923

Step-by-step explanation:

First define

Probability a person is a democrat: P(D) = 0.4

Probability a person is a republican: P(R) = 0.6

Probability a person support the measure given that the person is a democrat: P(SM | D) = 0.75

Probability a person support the measure given that the person is a republican: P(SM | R) = 0.3

Now for the Theorem of total probabilities we have

(a) P(SM) = P(SM | D)P(D)+P(SM | R)P(R) = (0.75)(0.4)+(0.3)(0.6) = 0.48

and for the Bayes' Formula we have

(b) P(D | SM) = P(SM | D)P(D)/[P(SM | D)P(D)+P(SM | R)P(R)] = (0.75)(0.4)/0.48 = 0.625

Now let SMc be the complement of support the measure, i.e.,

P(SMc | D) = 0.25 : Probability a person does not support the measure given that the person is a democrat

P(SMc | R) = 0.7: Probability a person does not support the measure given that the person is a republican,

and also for the Bayes' Formula we have

(c) P(D | SMc) = P(SMc | D)P(D)/[P(SMc | D)P(D)+P(SMc | R)P(R)] = (0.25)(0.4)/[(0.25)(0.4)+(0.7)(0.6)] = 0.1/(0.52)=0.1923

4 0
3 years ago
Brian has DVDs and CDs. The number of CDs he has can be modelled with the formula C = 2D + 11, where C represents the number of
wel

Answer: <u> 15 DVDs</u>

Step-by-step explanation:

C = 2D + 11

41 = 2D + 11

2D = 30

D = 15 DVDs

7 0
2 years ago
Which model represents the factors of x2 + 9x + 8?
Rama09 [41]

Answer:

(x+8)(x+1)

Step-by-step explanation:

i am sorry but i didn't understand after the equation.

but i think i got what you trying to ask so this is

i got (x+8)(x+1)

7 0
3 years ago
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