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NARA [144]
3 years ago
9

How do I find the median for a congruent triangle

Mathematics
1 answer:
Andrej [43]3 years ago
3 0
The length of a median is equal to half the square root of the difference of twice the sum of the squares of the two sides of the triangle that include the vertex the mediam is drawn from and the square of the side of the triangle the median is drawn to.

triangle sides by a, b, c.

ma=122c2+2b2−a2

mb=122c2+2a2−b2

mc=122a2+2b2−c2

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A certain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint.
vazorg [7]

Answer:

7/3 is constant of proportionality and, 3/7 of a cup of red paint should be added to 1 cup of white paint.

Step-by-step explanation:

Constant of proportionality is the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality.

To make color pink,

for every 3 cups of red , we need 7 cups of white.

Let 'r' be the cups of red required

let 'w' be the cups of white required

so , as per the question

for 3 r we need = 7 w

r = 7/3 w

so, 7/3 is constant of proportionality and, 3/7 of a cup of red paint should be added to 1 cup of white paint.

You already have the answer! ;)

4 0
2 years ago
A psychology professor wants to know whether verbal ability is related to memory quality in current first-year students at her s
alexgriva [62]

Answer:

The  variable are

A and  B

Step-by-step explanation:

Generally we can define a variable as a name of a placeholder representing a value  now considering the option to be selected from we see that

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    The second option  The students' percentage of words that were correctly recognized on the original list is also a variable because it is a placeholder of a name (in this case a phrase ) that represented the actual value itself

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8 0
3 years ago
Find 8x9. Use 2’s facts
IRISSAK [1]

Answer:

Steps

8x9 (or 8*9 or also seen as (8)(9) ) = 72

7 0
3 years ago
Work out the value of 7^2+4^3 divided by 2^5
Gnoma [55]

113/32

Step-by-step explanation:

7 squared is 49, 4 cubed is 64, 2 to the 5th power is 32.

49 plus 64 is 113 divided by 32

3 0
3 years ago
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over a four year period a tree grew 2.62 feet. if the tree grows at a consistent rate, how many feet did the tree grow each year
ivolga24 [154]
If you Do 2.62➗4 you will get the answer
8 0
3 years ago
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