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kipiarov [429]
3 years ago
7

When graphing a linear function in slope-intercept form, why do you have to plot the y-intercept first? Why can't you use the sl

ope first?
Mathematics
1 answer:
zmey [24]3 years ago
7 0
Because the slope doesn't tell you any actual points on the line. 
It only tells you whether the line tilts up or down, and how steeply. 
But the line could be way up there or way down under, with the same slope.
You can't actually DRAW it until you know some point on it, and
   the y-intercept gives you one.
You might be interested in
1. Write a ratio and a percent for the shaded area. (1 point)
Kipish [7]

Answer:

3/10, 30%

Step-by-step explanation:

the shaded region is 9/30 which is equivilent to 3/10 and 3/10is 30 percent.

hope this helps!

8 0
3 years ago
if you roll a fair 6-sided die 9 times, what is the probability that at least 2 of the rolls come up as a 3 or a 4?
Kay [80]

Using the binomial distribution, it is found that there is a 0.857 = 85.7% probability that at least 2 of the rolls come up as a 3 or a 4.

For each die, there are only two possible outcomes, either a 3 or a 4 is rolled, or it is not. The result of a roll is independent of any other roll, hence, the <em>binomial distribution</em> is used to solve this question.

Binomial probability distribution

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • There are 9 rolls, hence n = 9.
  • Of the six sides, 2 are 3 or 4, hence p = \frac{2}{6} = 0.3333

The desired probability is:

P(X \geq 2) = 1 - P(X < 2)

In which:

P(X < 2) = P(X = 0) + P(X = 1)

Then

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{9,0}.(0.3333)^{0}.(0.6667)^{9} = 0.026

P(X = 1) = C_{9,1}.(0.3333)^{1}.(0.6667)^{8} = 0.117

Then:

P(X < 2) = P(X = 0) + P(X = 1) = 0.026 + 0.117 = 0.143

P(X \geq 2) = 1 - P(X < 2) = 1 - 0.143 = 0.857

0.857 = 85.7% probability that at least 2 of the rolls come up as a 3 or a 4.

For more on the binomial distribution, you can check brainly.com/question/24863377

7 0
2 years ago
In the simplest terms that is equivalent to 2 1/3
ycow [4]

Answer:

IRREGULAR TERM OF FRACTIONS

Step-by-step explanation:

2 1/3

= 7/3 ANSWER

5 0
1 year ago
Read 2 more answers
lexi has $13.00 less that renee. together, they have a total of $95.00. how much money does renee have?
ivanzaharov [21]

Answer:

if I am right Renee would have 82.00 because Lexi has 13.00 less than Renee and together their money's adds up to 95.00 so if you take 13.00 from 95.00 you will have 82.00 that in my opinion

5 0
3 years ago
Soccer field dimensions according to FIFA must be no greater than 120 meters in length. What is the length of the field in kilom
Yuri [45]

Answer: 0.12 Kilometer

Step-by-step explanation:

120 divided by 1000

6 0
3 years ago
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