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AlexFokin [52]
3 years ago
5

Help me write this in a two column proof!!

Mathematics
1 answer:
8090 [49]3 years ago
4 0
AB = CB Given
D is the midpoint of AC given

AD= CD Definition of midpoint

Angle BAD = Angle BCD base angle theorem

Triangle ABD = Triangle CBD SAS
Be sure to use your symbols for congruent, etc. I couldn't type those in
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Slope = -2/5, contains the point (10,3)
Daniel [21]

Answer: if this is supposed to be in slope-intercept form

the equation would be: y = -2/5x + 7

Step-by-step explanation:

so the slope is: -2/5 and the point is (10,3) considering that x = 10 and y = 3

so we would plug this information into this equation: y = mx + b (slope-intercept form)

3 = -2/5(10) + b

3 = -4 + b

b = 7

and if we plug this in:

y = -2/5x + 7

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3 years ago
The table below shows the heights of several books. Jean stacks a dictionary on top of her novel. How high is the stack of two b
natita [175]

Answer:

pretty tall

Step-by-step explanation:

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Sara needs $90 to have enough money and Rachel needs $405 to have enough money. If they combine their money they will have enoug
mojhsa [17]

Answer: The price of item is $495.

Step-by-step explanation:

Since we have given that

Amount that Sara have = $90

Amount that Rachel have = $405

If they combine their money they will have enough to buy item.

So, Price of item would be

Amount that Sara have + Amount that Rachel have

=90+405\\\\=\$ 495

Hence, the price of item is $495.

5 0
3 years ago
I'LL MARK YOU BRAINLIST !!!
Neko [114]

Answer:

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Step-by-step explanation:

4 0
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Which of the following is the product of the rational expressions shown below ? (x + 3)/(x + 2) * (x - 3)/(x - 2)
Molodets [167]

Answer:

Option D : \frac{x^2-9}{x^2-4} is the correct answer.

Step-by-step explanation:

Given rational expression is:

\frac{x+3}{x+2}*\frac{x-3}{x-2}

In the first step of solving the rational expression, we will multiply the nominators and denominators.

\frac{(x+3)(x-3)}{(x+2)(x-2)}

\frac{x^2-3x+3x-9}{x^2-2x+2x-4}

Now we will solve the alike terms.

\frac{x^2-9}{x^2-4}

The product of rational expression is \frac{x^2-9}{x^2-4}

Hence,

Option D : \frac{x^2-9}{x^2-4} is the correct answer.

8 0
3 years ago
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