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attashe74 [19]
3 years ago
10

A data set consists of the following data points:

Mathematics
1 answer:
aleksley [76]3 years ago
4 0
<span>(3,5),
(5,8),
(6,13)
------
(14,26)/3
 
then use the point slope form of a line to find equation of line

</span>y-y_1=m(x-x_1)&#10;\\y -  \frac{26}{3}  = 2.5(x- \frac{14}{3})&#10;\\y -  \frac{26}{3}  =  \frac{5}{2} (x- \frac{14}{3})&#10;\\y -  \frac{26}{3}  =  \frac{5}{2} x-  \frac{5}{2}\times\frac{14}{3}&#10;\\y -  \frac{26}{3}  =  \frac{5}{2} x-  \frac{35}{3}&#10;\\6y-52=15x-70&#10;\\15x-6y-18=0
<span>
Find y-intercept for x = 0.

</span>15x-6y-18=0&#10;\\15\times0-6y-18=0&#10;\\-6y=18&#10;\\y=-3<span>

</span>
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I need help solving this...don't give me answers walk me through it please
zubka84 [21]
Do the same process for each of the 3 

you have miles per how many minutes and you need miles per hour
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same process for the others


7 0
3 years ago
Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19.
vlada-n [284]
Y = 5(x+4)-6 
x = 5(y+4)-6 
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<span>
when x = 19, y = (19-14)/5 </span>
y = 5/5 
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In short, Your Answer would be Option 2

Hope this helps!</span>
4 0
4 years ago
Read 2 more answers
The area of a triangle is 225 in^2. If the width is 18 inches, find the height of the triangle
sergiy2304 [10]
\textit{area of a triangle}=\cfrac{1}{2}\cdot b\cdot h\qquad &#10;\begin{cases}&#10;b=\textit{base of triangle,}\\&#10;\qquad \textit{may also be its width}\\&#10;h=\textit{height of triangle}&#10;\end{cases}&#10;\\ \quad \\&#10;b=width=18\qquad area=225&#10;\\ \quad \\&#10;225=\cfrac{1}{2}\cdot 18\cdot h\impliedby \textit{solve for "h"}
6 0
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Can someone help me solve this Please
Dafna1 [17]

9514 1404 393

Answer:

  • 523 grams
  • 52 grams

Step-by-step explanation:

To find the initial amount, put 0 where t is in the formula and do the arithmetic.

  A(0) = 523(1/2)^0 = 523(1) = 523

The initial amount is 523 grams.

__

To find the amount remaining after 100 years, put 100 where t is in the formula and do the arithmetic.

  A(100) = 523(1/2)^(100/30) ≈ 523(0.0992123) ≈ 52

About 52 grams will remain after 100 years.

8 0
3 years ago
2x/x-3 - 6/x-3 . I need a step by step explanation , please
Harman [31]
When adding/subtracting fractions you need a common denominator, but you already have one, which is x-3.  So in general:

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2(x-3)/(x-3)  the (x-3)s cancel out leaving

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However!  Note that division by zero is undefined, so x cannot equal 3.  (because both original fractions had denominators of x-3)

What this all means is that that expression will equal 2 for all real values of x other than 3.
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