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balandron [24]
3 years ago
8

Prove using coordinate geometry. Prove that the points (0,0), (4,0), (4, 4) and (0, 4) create a rhombus and then show that the m

idpoints of the sides of a rhombus determine a rectangle.
Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

IDK

Step-by-step explanation:

IDK

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A box contains 35 gems, of which 10 are real diamonds and 25 are fake diamonds. Gems are randomly taken out of the box, one at a
Sonja [21]

Answer:

Step-by-step explanation:

The total number of ways of selecting 3 gems of any kind without replacement is 35 * 34 * 33 = 39270

Now selecting 2 gems from 25 is 25C2

25 C 2 = 25 * 24/2 = 300

Selecting one good gem is 10

Total selection = 300 * 10 = 3000

P(gems) = 3000 / 39270

P(gems) = 300/3927

P(gems) = 100/1309

6 0
2 years ago
Multiple all the coordinates by 1/5.
Andrew [12]

Answer:

(-1,2) , (2,-1), (2,-1) , (-2,1)

Step-by-step explanation:

-5 x 0.2=-1

5 x 0.2=1

10 x 0.2= 2

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6 0
2 years ago
. What is the solution to the equation –3.5(x + 12) = –2x + 18?
kotegsom [21]

Answer:

x=-4.36

     

Step-by-step explanation:

4 0
2 years ago
Solve for x. <br>a.5, <br>b.<br>c.9<br>d.10
Liula [17]
Your proportion should look something like this

\frac{x}{6} =  \frac{6}{4}

After cross multiplication, you should end up with this equation

4x=36

After dividing 4 on both sides, you should get that x=9
6 0
3 years ago
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Becky buys 3 books and the total cost is $24.18. What is the constant of proportionality that relates the cost in dollars, y, to
disa [49]

Answer: 1x = $8.06y

Step-by-step explanation:

thats honestly all i know..

7 0
3 years ago
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