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Archy [21]
4 years ago
8

PLEASE I NEED HELP

Mathematics
1 answer:
notka56 [123]4 years ago
7 0

You would transform 5x + 2x into the same term with the associative property, adding like terms. If you subsitute the different values into the expressions you notice that both have a rate of change of 7 like an arithmetic sequence. To see if any value will make the two expressions equal you make them equal to each other.

5x + 2x = 7x -1

7x = 7x - 1

0 = -1

No they will never have be a solution  to both expressions to make them equal because they're parallel to each other.

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Tell whether the two ratios are proportional or not proportional 3/7=6/9
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Answer:

Interval is given with 97% confidence. Thus there is 3% probability that interval is not true.

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In Statistics, estimated intervals are given with some confidence level. In this example person develop the interval with 97% confidence.

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Small sample size may also lead wrong estimates.

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3 years ago
Choose the equation of the horizontal line that passes through the part point (1,-5)
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\bf \begin{array}{ccccccccc}&#10;&&x_1&&y_1&&x_2&&y_2\\&#10;%  (a,b)&#10;&&(~ 1 &,& -5~) &#10;%  (c,d)&#10;&&(~ -7 &,& -5~)&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope =  m\implies &#10;\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-5-(-5)}{-7-1}&#10;\\\\\\&#10;\cfrac{-5+5}{-7-1}\implies \cfrac{0}{-8}\implies 0&#10;\\\\\\&#10;% point-slope intercept&#10;\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-5)=0(x-1)&#10;\\\\\\&#10;y+5=0\implies y=-5

4 0
3 years ago
Read 2 more answers
Write down the first term in the sequence given by: T(n)=n^2+3
Anton [14]

Some people call 'n' "zero" for the first term, others call 'n' "1".

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-- If n=1 for the first term, then  T(1) = 1² + 3  =  4 .
8 0
3 years ago
Read 2 more answers
4. Given directed line segment CD, if point E divides CD three-fourths of the way from C to D, find the coordinates of E, then p
cricket20 [7]

Answer:

Point E is given by \left ( \frac{3mx_1+4x_0}{7},\frac{3y_1+4y_0}{7} \right )

Step-by-step explanation:

Let points C and D be (x_0,y_0),\,(x_1,y_1) and let point E divides it in ratio m:n.

Then coordinates of point E are given by \left ( \frac{mx_1+nx_0}{m+n},\frac{my_1+ny_0}{m+n} \right )

Put m:n=3:4

Point E is given by \left ( \frac{3mx_1+4x_0}{3+4},\frac{3y_1+4y_0}{3+4} \right )=\left ( \frac{3mx_1+4x_0}{7},\frac{3y_1+4y_0}{7} \right )

Now plot point E.

Download pptx
3 0
4 years ago
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