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BigorU [14]
3 years ago
11

If Cara works 14 hours, she earns $84. If she works 19 hours, she earns $114. Let y represent the total amount of money that Car

a earns working x number of hours. Model a equation and determine if this is a direction or inverse variation. 20 POINTS!!
Mathematics
1 answer:
seraphim [82]3 years ago
7 0

Answer:

Step-by-step explanation:

14r=84, r=84/14=6, so the hourly rate is $6 an hour so

y(x)=6x

Since this is of the form y/x=k or y=kx it is directly proportional. Inverse proportion is of the form yx=k or y=k/x

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Read this excerpt from “Incidents in the Life of a Slave Girl.” Again and again I had [traveled] those dreary twelve miles to an
Kamila [148]

Answer:

i think its D but im not entirely sure, im sincerly sry if im wrong

Step-by-step explanation:

3 0
3 years ago
List the first three multiples of both 3 and 9.
tia_tia [17]

Answer:

9,18 and 27

hope this helps u

8 0
3 years ago
Read 2 more answers
Problem1 The behavior of a physical system can be described by the following first order differential equation: dy/dt=2y +t^2
daser333 [38]

Answer:

y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}.

Step-by-step explanation:

Using first order linear differential equation:

\dfrac{\mathrm{d} y}{\mathrm{d} t} = 2y + t^2

\frac{\mathrm{d} y}{\mathrm{d} t} - 2y =t^2

finding integrating factor:

I.F = e^{\int -2dt}

I.F =e^{-2t}

now,

y = \dfrac{1}{IF}(\int t^2dt+ c )

y = \dfrac{1}{e^{-2t}}(\int t^2dt+ c )

y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}

hence the solution is

y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}

8 0
4 years ago
Sam, Maya, and John playing a match, Sam has Half of what Maya has, and maya has fewer than John with three points. Their points
Ksivusya [100]

so john is x and if Maya has the same as john but -3 then

x+x-3

but sam is still missing and she has half of Maya which is 0.5x - 1.5

so the equation is

x+x-3+0.5x-1.5=68

and then you add 3 and 1.5 to 68 which is

2.5x=72.5

and you divide by 2.5 which is 29

John has 29 points


7 0
3 years ago
At the school book fair, Micah selected a
Anni [7]

Answer:

$5.79 +

$0.95

Estamate

$5.80 +

$1.00

= $6.80

We only round one digit.

Step-by-step explanation:

8 0
3 years ago
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