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djverab [1.8K]
3 years ago
8

Please help! thank you​

Mathematics
2 answers:
scoray [572]3 years ago
8 0
(-3/7)x+3=y
Because the y intercept on the graph is 3
And when x is 1 y is 2.5
OLga [1]3 years ago
3 0

9514 1404 393

Answer:

  y = (-7/3)x +3

Step-by-step explanation:

The line has a negative slope (eliminating choices B and C) that is steeper than a line with a slope of -1, The only answer choice with a negative slope less than -1 is choice D.

__

The slope is the coefficient of x. It is "rise"/"run". Here, the line goes through grid points (0, 3) and (3, -4), so drops 7 units (rise=-7) for each 3 units to the right (run=3). Then the slope is rise/run = -7/3.

The line crosses the y-axis at y=3, so the slope-intercept equation is ...

  y = mx + b . . . . . . . . slope = m; y-intercept = b

  y = (-7/3)x +3

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a person invest in 9000 in a bank. the bank pays 5% interest compounded semi annually. to the nearest tenth of a year, how long
QveST [7]

Answer:

10.1 years.

Step-by-step explanation:

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The formula for amount:

A=P(1+\frac{r}{n})^{nt}

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Substitute the given values in the above formula.

14800=9000(1+\frac{0.05}{2})^{2t}

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Taking log both sides.

\log(1.644)=\log(1.025)^{2t}

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