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3 years ago

What is the mid point of (-3,4) and (5,-2)

1 answer:

7 0

To find the midpoint of two points, we use the midpoint formula where M = (x1+x2/2, y1+y2/2).

If we plug in the respective values into this formula, we get:

(-3+5/2, 4+-2/2)

When we simplify the addition and subtraction in the numerators, we get:

(2/2, 2/2)

After dividing each respective part of the ordered pair, we get:

(1, 1)

Therefore, the midpoint is (1, 1).

Hope this helps!

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A woman wishes to rent a house within 9 miles of her work. If she lives x miles from her work, her transportation cost will be c

I am Lyosha [343]

Answer:

the woman has to live 1 mile from work to minimize the expenses

Step-by-step explanation:

Given the data in the question;

the distance within 9 miles ⇒ 0 < x > 9

Total costs Q = cx + 4c/( x + 1)

costs should be minimum ⇒ dQ/dx = 0

⇒ d/dx [ cx + 4c/( x + 1) ] = 0

⇒ ( x + 1)² = 4

take square root of both side

√[ ( x + 1)² ] = √4

x + 1 = 2

x = 2 - 1

x = 1

Therefore, the woman has to live 1 mile from work to minimize the expenses

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3 years ago

How can you find the slope of a line and use it to<br> solve problems?

ziro4ka [17]

Answer:

Step-by-step explanation:

1) Mark two points on the line in the graph.

2) Determine the rise and run. Rise ---> difference in y-coordinates. (y2-y1)

Run -----> difference in x-coordinates (x2 - x1)

3) Plugin the values in the below mentioned formula.

$Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

1.If slope = 0, then the line is parallel to x-axis.

2. If slope is undefined, then the line is parallel to y-axis.

3. If slope is +ve, then the line slant upwards and if slope = -ve, then the line slant downwards.

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3 years ago

Please I need to get this done by tomorrow

Alenkinab [10]

Answer:

i think it is 8

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3 years ago

Read 2 more answers

I just need help with this

Alexxx [7]

Answer:

z = 4.5

Step-by-step explanation:

∠B = ∠B ∠BAD = 90° - ∠B = ∠C

ΔBAD ~ ΔBCA

AB / z = BD / AB

z = AB * AB / BD = 3*3 / 2 = 4.5

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3 years ago

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Sauron [17]

Answer:

5) √(3² + 5²) = √34

6) √(4² - 3²) = √7

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Step-by-step explanation:

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3 years ago