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Sophie [7]
3 years ago
5

What is this angle complementary linear pair vertical or adjacent

Mathematics
1 answer:
Fiesta28 [93]3 years ago
8 0
These are vertical angles
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Two trains leave New York at the same time heading in opposite directions. Train A travels at 4/5 the speed of train one. After
grandymaker [24]
<h3>Answer:  </h3><h3>speed of train A = 44 mph</h3>

=============================================

Work Shown:

x = speed of train A

y = speed of train B

"train A travels 4/5 the speed of train B" (I'm assuming "train one" is supposed to read "train B"). So this means x = (4/5)y

distance = rate*time

d = x*7

d = (4/5)y*7 = (28/5)y represents the distance train A travels

d = y*7 = 7y represents the distance train B travels

summing those distances will give us 693

(28/5)y + 7y = 693

5*(  (28/5)y + 7y ) = 5*693

28y + 35y = 3465

63y = 3465

y = 3465/63

y = 55

Train B's speed is 55 mph

4/5 of that is (4/5)y = (4/5)*55 = 4*11 = 44 mph

Train A's speed is 44 mph

8 0
3 years ago
Immigration reform A news organization wants to know what percent of U.S. residents support a "pathway to citizenship" for peopl
harina [27]

Undercoverage might lead to bias in this study due to the risk of collecting data from a small number of people who feel strongly about the research study in this scenario.

<h3>What is Undercoverage bias?</h3>

This refers to a type of sampling bias which occurs when the research population aren't adequately represented in the study.

This type of sampling involves getting data from a selected few people who may have the same opinion or view about the study which doesn't depict the true representation of the population.

This makes the study to be biased which is why undercoverage is usually avoided when conducting a research.

Read more about Undercoverage bias here brainly.com/question/13294832

#SPJ1

5 0
1 year ago
An=-31+(n-1)-11 find the eleventh term
Lilit [14]

An=-31+(n-1)-11 find the eleventh term

a11 = -31 + (-11) (11-1)

a11 = -31 +-11(10)

a11 =-31 +-110

a11 = -142

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3 years ago
Use the double intercept approach to find the graph of -1 = -y + x
NeX [460]
The answer is graph d
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3 years ago
11-30x+24. what is this answer ​
zavuch27 [327]

Answer:

-30x+35

Step-by-step explanation:

Add 11 and 24

3 0
3 years ago
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