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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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Write a proportion that could be used to solve for each variable. Then solve.
mamaluj [8]
There are 6 balls to every box (a ratio of 6 to 1). Therefore, when there are 78 balls, there are 13 boxes.
5 0
3 years ago
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How many 1/20 in 7/8
MariettaO [177]

Answer:

17.5

Step-by-step explanation:

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7 0
3 years ago
Which equation has a graph that is a parabola with a vertex at (–2, 0)?
MaRussiya [10]

Answer:

The vertex of a quadratic equation corresponds to the point where the maximum or minimum value is located.

If the function has a positive leading coefficient, the vertex corresponds to the minimum value.

If it has a negative leading coefficient,  the vertex corresponds to the maximum valuevalue

If the vertex is located at

(–2, 0)

The possibilities are

y =  (x-2)^2

or,

y = - (x-2)^2

Since the problem tells us the answer, we adopt the positive values

Answer:

y =  (x-2)^2

See attached picture

6 0
3 years ago
Read 2 more answers
A ball of radius 11 has a round hole of radius 5
inn [45]

Answer:

3,847.40376

Step-by-step explanation:

Volume of a sphere=

4/3π(11)³=5,575.27976

Volume of a cylinder=

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Total volume=

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3 0
3 years ago
The square root of 83 can be platted on the number line below
wel
The answer is some number between 9 and 10.
Explanation:
√83
is an irrational number. You won't be able to simplify it any further either, since it doesn't have any perfect square factors.
However, you will be able to tell between which two numbers it lies in.
9^2 is 81 and 10^2 is 100
. Therefore, you can say that a certain number between 9 and 10 is 83 when squared.
If you're looking for an exact answer, then it will be 9.11043357914... (I got that using a calculator).
8 0
3 years ago
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