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guajiro [1.7K]
3 years ago
9

Which of the following are necessary when proving that the diagonals of a

Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

Answer:look

Step-by-step explanation:

Flura [38]3 years ago
4 0

Answer:

  1. yes i proved that the opposite side of rectangle are equal by taking triangles in a rectangle and make this triangles are congruent
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1 1/3 MULIPLIED BY 2 3/4 =
Vlad [161]

Answer:

use the mixed fraction mathsoup calculator, it shows step by step, im just trying to help

Step-by-step explanation:

hope i helped:)

7 0
2 years ago
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Kate and Jean paint a house together in 6 days. If they work alone, Kate takes 5 fewer days than Jean would take to do the same
navik [9.2K]
X = number of days it would take Kate to paint the house by herself. .
<span>x+5 = number of days it would take Jean to paint the house by herself.</span>
<span>Together, they paint the house in 6 days: </span>
<span>1/x + 1/(x+5) = 1/6 </span>
<span>Multiply both sides by 6x(x+5) </span>
<span>6(x+5) + 6x = x(x+5) </span>
<span>12x + 30 = x^2 + 5x </span>
<span>x^2 − 7x − 30 = 0 
</span>therefore the answer is A.

4 0
3 years ago
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Saturday, nola bowled 3 games in her bowling league. she had a mean score of 115. the score of her first game was 110. the score
Elina [12.6K]
110+90+145=345
345 divided by 3=115

so the score of her third game was 145 points.
hope i helped! :)
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7 0
3 years ago
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What is the equation of the graphed line?
Ludmilka [50]
-7+3/6+6=-4/12= -1/4
y+3= -1/4(x+6)
y+3= -1/4x-3/2
y=-1/4x-9/2
7 0
3 years ago
Three-fourths of the tickets had been sold, and there were 420 tickets left. How many tickets were printed?
Reil [10]

Answer:

Step-by-step explanation:

420 = 1/4 so 4/4 is 4 420s

420 x 4 = 1680

8 0
3 years ago
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