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3 years ago

How can the equations of lines help you identify whether the lines are perpendicular, parallel, or nether?

Mathematics

1 answer:

Natali5045456 [20]3 years ago

7 0

Answer:

We can determine whether two lines are parallel by comparing their slopes. If the slopes are the same and the y-intercepts are different, the lines are parallel. If the slopes are different, the lines are not parallel. Unlike parallel lines, perpendicular lines do intersect. Their intersection forms a right, or 90-degree, angle.

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1. Evaluate the expression: 4 – 3s2 + (s + t) for t = -2 and s = 5

den301095 [7]

Answer:The Answer is -23

Step-by-step explanation:

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3 years ago

PLZ HELP!!!

djyliett [7]

Answer:

Step-by-step explanation:

Where's the problem?

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3 years ago

A bag contains blue and pink balls. There are 8 more blue balls than pink balls. Identify the expression that represents the pro

8_murik_8 [283]

Let
b---> the original amount of blue balls in the bag
p---> the original amount of pink balls in the bag

we know that
b=8+p
p=5
so
b=8+5----> b=13

step 1
Find the total of balls originally in the bag
total =13+5-----> 18

step 2
find the probability that a person will pick a blue ball first
Find P(b)
P (b)=13/18

step 3
Find the probability that a person will pick a pink ball second without replacement
the total of balls now is (18-1)-------> 17
P(p)=5/17

step 4
Find the probability that a person will pick a blue ball first and then a pink ball without replacement
(13/18)*(5/17)-----> (13*5)/(18*17)------> 65/306-----> 0.21

the answer is
0.21

7 0

3 years ago

Read 2 more answers

PLEASE HELP WOULD REALLY APPRECIATE IT Write the number in standard form: 9.1×10^-9

MrMuchimi

Answer:

0.0000000091

..............

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3 years ago

A political action committee is interested in the proportion of all registered voters who will vote "Yes" on a measure to expand

kirza4 [7]

Answer: parameter: The proportion of registered voters who will vote Yes on the measure.

Sample: The 1000 registered voters who participated in the study.

Statistic: The proportion of the 1000 registered voters that were surveyed who will vote Yes on the measure.

Variable: Yes or No for each registered voter

Population: All registered voters in the US

Data: The list of Yes and No answers that were given by the 1000 participants in the study.

Step-by-step explanation:

Definitions of the given terms:

Population: Large groups of individuals having similar characteristics as per the researcher's point of view.

Sample: It is a subset of the population used to represent it.
Parameter: Measure of particular characteristics in the population.
Statistic: Measure of particular characteristics in the sample.
Variable: Characteristics that vary.
Data: A collected information facts and statistics.

Hence, by using the above definitions, we have

Parameter: The proportion of registered voters who will vote Yes on the measure.
Sample: The 1000 registered voters who participated in the study.
Statistic: The proportion of the 1000 registered voters that were surveyed who will vote Yes on the measure.
Variable: Yes or No for each registered voter.
Population: All registered voters in the US.
Data: The list of Yes and No answers that were given by the 1000 participants in the study.

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3 years ago