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anastassius [24]
2 years ago
13

HELPPPPPPPPPPPP]PPPPPP​

Mathematics
1 answer:
Alinara [238K]2 years ago
6 0
1) negative linear association 2)non linear association (haven’t done in a while so not completely sure)
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An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation f(x)
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Answer:C

Step-by-step explanation:

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Jenny has saved $3,800 over the last 12 months. She saved either $250 or $350 a month. During the 12 month period, how many time
Nana76 [90]

Answer:

Jenny save 4 times \$ 250 for the month

Step-by-step explanation:

Given Jenny has saved \$3,800 over the last 12 months.

She saved either \$250 or \$350 a month.

Let the number of months to save \$250 be x

Let the number of months to save \$350 be y

Total period is 12 month.

x+y=12 \ \ \ \ equation\ 1

Jenny has saved $3,800 over the last 12 months.

250x+350y=3800

Dividing both side from 50 we get,

\frac{250}{50}x+\frac{350}{50}y= \frac{3800}{50}

5x+7y=76 \ \ \ \ equation\ 2

Now Multiplying  equation 1 by 5 we get,

5\times(x+y)=5\times 12\\5x+5y=60\ \ \ \ equation \ 3

Now Subtracting Equation 3 by equation 2 we get,

(5x+7y=76)-(5x+5y=60)\\2y=16\\y=\frac{16}{2}= 8

Substituting the value of y in equation 1 we get,

x+y=12\\x+8=12\\x=12-8\\x=4

∴ Jenny save 4 Months of  \$ 250 and 8 Months of  \$ 350in a 12 month duration

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3 years ago
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Domino's is having a sale where everything has a 10% discount. The regular price of a 2 topping pizza is $8. What is the discoun
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Step-by-step explanation:

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The equation of a line that goes through the points (0,0) and (300000,365)
olga_2 [115]
\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&&(~ 0 &,& 0~) 
%  (c,d)
&&(~ 300000 &,& 365~)
\end{array}
\\\\\\
% slope  = m
slope =  m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{365-0}{300000-0}\\\\\\ \cfrac{365}{300000}\implies \cfrac{73}{60000}

\bf \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-0=\cfrac{73}{60000}(x-0)\implies y=\cfrac{73}{60000}x
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A store is offering a clearance sale on soda it costs 3.20 for a packk of 8 cans or a single can can be bought for 0.50
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$16 is the answer
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