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son4ous [18]
2 years ago
6

Is the following shape a rectangle? how do you know?

Mathematics
1 answer:
Usimov [2.4K]2 years ago
8 0
Slope of AB =  1/3 and slope of  BC = -3    so these 2 lines are perpendicular
The same is true for all the other adjjacent pairs of lines.
Oppoitse lines are also paralllel (  slope of AB = 1/3 and slope of  DC = 1/3)  and other pair are both of slope -3.

So Its C
You might be interested in
El 60% de los discos son de música clásica y el 10% es música para bailar si Fabián tiene 90 discos cuántos son de cada uno
Likurg_2 [28]

Respuesta:

54 discos son de música clásica

9 discos son de música para bailar

:)

7 0
3 years ago
Ricardo lost 6 golf balls while playing yesterday he bought a box of twelve golf balls and lost 4 on the course today he now has
umka2103 [35]
16 balls. 

Let's call x the total number of golf balls that Ricardo had before he lost the first 6 balls. (x - 6).
Then he bought 12 more and lost 4 so basically 12 - 4 = 8
Add that to the equation: (x-6) + 8
And now that he has 18 golf balls at end of the second day the total must add to 18.

Full equation: (x-6) + 8 = 18

(x-6) + 8 = 18
(x-6) = 18 - 8 <-- Transpose
(x-6) = 10
16 - 6 = 10 <-- What would x have to be inoder to make this equation true? 16!
So x = 16

16 is the number of golf balls the Ricardo began with.

8 0
3 years ago
What is the measure of angle 1
sashaice [31]

Answer:

C. 74

This is because the total angle measure is 360 degrees

1.360-90 because we see a 90 degree angle here

2. 270-109=161

3.161-87=74

answer 74

4 0
3 years ago
Evaluate for c = -3 <br><br> 9 - c
ki77a [65]
The answer is 12 because you put -3 in the C places which gets you 9 – -3 and then you follow the signs which you would have to add them and get 12
7 0
3 years ago
Isabella works at Baker's Book company. If she earned a commission of $63.75 on her sales of $850, what was Isabella's rate of c
Westkost [7]
Rate = 63.75/850=.075*100%= 7.5%

7.5% is Isabella's rate of commission.
8 0
3 years ago
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