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3 years ago

7

One day at school you make the observations that kids in 12th grade are taller than kids in 9th grade. What does this illustrate

?
A. causation
B. correlation
C. relationships
D. coefficients

2 answers:

beks73 [17]3 years ago

6 0

Answer: B correlation

ElenaW [278]3 years ago

4 0

Answer:

correlation

Step-by-step explanation:

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After a 15% increase, a town has 115 people. What was the population before the increase?

Arte-miy333 [17]

Answer:

100 people

Step-by-step explanation:

<em>Population</em><em> </em><em>Of</em><em> </em><em>People</em><em>=</em><em>1</em><em>1</em><em>5</em><em>Percentage</em><em>ncrease</em><em>=</em><em>1</em><em>5</em><em>%</em>

<em>The</em><em> </em><em>New</em><em> </em><em>Population </em><em>corresponds </em><em>to</em><em> </em><em>1</em><em>1</em><em>5</em><em>%</em>

<em>(</em><em>That</em><em> </em><em>is</em><em> </em><em>1</em><em>0</em><em>0</em><em>+</em><em>1</em><em>5</em><em>)</em>

<em>We</em><em> </em><em>want</em><em> </em><em>to </em><em>find</em><em> </em><em>the</em><em> </em><em>popula</em><em>tion</em><em> </em><em>that</em><em> </em><em>corresponds</em><em> </em><em>to </em><em>100%</em><em> </em><em>that </em><em>is </em><em>the</em><em> </em><em>original</em><em> </em><em>population</em><em>.</em>

<em>Therefore</em><em> </em><em>Original </em><em>Population</em><em>;</em>

<em> $\frac{100}{115}\times {115}{}$ </em>

<em> $100 \: people$ </em>

7 0

2 years ago

Which equation could have been used to create this graph

Temka [501]

Answer:

The answer is A

Hoped it helped <3 tell me if I am wrong

Step-by-step explanation:

4 0

3 years ago

Vector u has initial point at (3, 9) and terminal point at (–7, 5). Vector v has initial point at (1, –4) and terminal point at

spin [16.1K]

Answer:

⟨-5, -1⟩

Step-by-step explanation:

Vector:

A vector is given by its endpoint subtracted by its initial point.

Vector u has initial point at (3, 9) and terminal point at (–7, 5)

Then

$u = (-7, 5) - (3,9) = (-7 - 3, 5 - 9) = (-10,-4)$

Vector v has initial point at (1, –4) and terminal point at (6, –1).

Then

$v = (6,-1) - (1,-4) = (6-1,-1-(-4)) = (5,3)$

What is u + v in component form?

$u + v = (-10,-4) + (5,3) = (-10+5,-4+3) = (-5,-1)$

⟨-5, -1⟩ is the answer.

3 0

2 years ago

Yoo how yall doinnnnn

ICE Princess25 [194]

Answer:

pretty good tired of the virus stuff but good

Step-by-step explanation:

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2 years ago

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Yesterday 160 guest at a hotel called for room service, and 240 guest did not called for room service. What is the percentage of

Dmitry [639]

160/400
80/200
40/100
C

8 0

3 years ago