3 years ago

What is the midpoint of line AC

Mathematics

1 answer:

pishuonlain [190]3 years ago

4 0

Answer:

N/A

Step-by-step explanation:

What is line AC, was there supposed to be a picture?

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Dennis_Churaev [7]

1.3333333333333333333333333333333

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3 years ago

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(a) Find the slope of the curve y= x^2 - 2x - 3 at the point P(2, -3) by finding the limit of the secant slopes through point

gayaneshka [121]

Answer:

Step-by-step explanation:

P=(2,-3)

Q=(a,a²-2a-3)

$\Delta y=a^2-2a-3-(-3)=a^2-2a\\\Delta x=a-2\\\\\displaystyle \lim_{a \to 2} \dfrac{a^2-2a-3-(-3)}{a-2} \\\\=\lim_{a \to 2} \dfrac{a^2-2a}{a-2} \\\\=\lim_{a \to 2} \dfrac{a(a-2)}{a-2} \\\\=\lim_{a \to 2} \dfrac{a}{1} \\\\=\lim_{a \to 2} a \\\\=2\\$

Proof:

y'=(x²-2x-3)'=2x-2

y'(2)=2*2-2=2

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3 years ago

The table shows the weights of two dogs. What is the weight of each dog?

NemiM [27]

Answer:

90, 64

Step-by-step explanation:

Rottweiler is 90

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3 years ago

Drag steps in the given order to evaluate this<br> expression.<br> (-5)(2) – 2(-3) + 3

sesenic [268]

Answer:

-1

Step-by-step explanation:

using PEDMAS(parentheses, exponents, division, multiply, addition, subtraction) to solve the problem

First, multiply (-5)(2) and 2(-3)

(-5)(2) – 2(-3) + 3

=-10-(-6)+3

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add -10+6

-4+3

Add -4+3

-4+3

=-1

Therefore, (-5)(2) – 2(-3) + 3 is equal to -1

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3 years ago

7(2 + 4) + 6 (0 - 3) = 8 (2 - 3) - 2 (x + 4)

Gennadij [26K]

The answer is x= -20

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