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abruzzese [7]
3 years ago
7

Match the pairs of variables with the type of relationship they show.

Mathematics
1 answer:
Luda [366]3 years ago
7 0
"-the time people spend at work and the number of friends they have"
would be "causation"; because the more/less time someone spends at work is implied to be the *cause* of their number of friends. 

"-the length of a person's hair and his or her math skills"
would be "no relationship" seeing as there's nothing that relates these two variables that could have an affect on the outcome of one or the other. 

<span>"-a student's test scores in math and physics" would be "correlation" because the two subjects are similar enough that any outcome in one could very well be similarly related to the outcome in the other. </span>
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Find the discount rate
kifflom [539]

we'd do the same as before on this one as well.

if we take 27.99 to be the 100%, what is 12 off of it in percentage?

\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 27.99&100\\ 12&x \end{array}\implies \cfrac{27.99}{12}=\cfrac{100}{x}\implies 27.99x=1200 \\\\\\ x=\cfrac{1200}{27.99}\implies x\approx 42.87

4 0
3 years ago
Select ALL the ratios that are equivalent to 8:6.
Marizza181 [45]

Answer:a

4:3

Step-by-step explanation: i hop this help

7 0
2 years ago
Rite an algebraic expression to represent "five plus the quotient of r and 14."
hichkok12 [17]
The answer is 3) 5+r/14

Let's go segment by segment:
<span>"five plus" means addition, so we have 5 +

</span><span>"the quotient of r and 14" is the division result, so sign / must be present: 14/r
</span>
Therefore "five plus the quotient of r and 14" is 5 + 14/r
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3 years ago
Write 7*7*b*b*b in exponential form
ycow [4]

Answer:

  7²b³

Step-by-step explanation:

An exponent signifies repeated multiplication. Here, the factor 7 is repeated twice, and the factor b is repeated 3 times. These will get exponents of 2 and 3, respectively:

  7²b³

6 0
3 years ago
Simplify each expression<br> (e^2) (g) (g^4) (e^3)<br> (e)( e^2) (e)
poizon [28]

Answer:

(e^2) (g) (g^4) (e^3)=e^b

(e)( e^2) (e)=ve^4

Step-by-step explanation:

4 0
2 years ago
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