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zaharov [31]
3 years ago
6

Could someone help me to find I in simple interest P=2,000 R=0.15 and T=2 in years could someone explain how to do simple intere

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Mathematics
1 answer:
Studentka2010 [4]3 years ago
4 0
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What is the equation of the line that goes through (-5,0) and (-4,4)
Tasya [4]

Answer:

y=4x+20

Step-by-step explanation:

To write an equation, use the slope-intercept equation:

y=mx+b

M is the slope and b is the y-intercept.

First, find the slope by using the slope formula for when you have two points:

\frac{y(2)-y(1)}{x(2)-x(1)}=\frac{rise}{run}

Rise over run is the change in the y-axis over the change in the x-axis. Substitute values:

(-5,0)(-4,4)\\(-5(x1),0(y1))\\(-4(x2),4(y2))\\\\\frac{4-0}{-4-(-5)}

Simplify parentheses (two negatives make a positive) and simplify:

\frac{4-0}{-4+5}\\\\\frac{4}{1}=4

The slope, m, is 4. Insert this information into the equation:

y=4x+b

Now, take one of the points and insert into the slope-intercept formula:

(-5,0)\\(-5(x),0(y))\\\\0=4(-5)+b

Solve for b, the y-intercept. Simplify multiplication:

0=-20+b

Add 20 to both sides and simplify:

0+20=-20+20+b\\20=b\\b=20

The y-intercept, b, is 20. Insert this value into the equation:

y=4x+20

Done.

7 0
3 years ago
The given data set shows the weight, in pounds, of nine dogs at an animal hospital.
stepan [7]

Answer:

110

Step-by-step explanation:

You can see that the other terms are between 20 and 40, but 110 is a whole 75 off of the next greatest number. That makes it an outlier

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3 years ago
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Answer:

c = 80:)

Step-by-step explanation:

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HELP ASAP! What are the slope and y-intercept of the linear function that is represented by the table?
kiruha [24]

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A

Step-by-step explanation:

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Geometry.... help please?
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This is the HL Theorem.
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