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aksik [14]
3 years ago
12

Given a rhombus, a square, and a rectangle, what must be true of all three quadrilaterals?

Mathematics
1 answer:
Yuliya22 [10]3 years ago
8 0
<span>C.

The diagonals are perpendicular.
</span>
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I really need the answers for these I don't understand this
Yuri [45]
I tryed my best to figure out what all of the numbers were. if i got any wrong then please tell me and i will put the right answer in the comments.

1) 3/5= 5/x   (cross multiply)
     3x=5(5)
     3x=25
       x= 25/3 -or- 8.33

2) 2/4=x/12<span>   (cross multiply</span><span>)
</span> 2(12)=4x
     24=4x
       6=x
3) 10/x=5/9<span>   (cross multiply</span><span>)
   10(9)=5x
       90=5x
       18=x
4) 5/5=x/18</span><span>   (cross multiply</span><span>)
 5(18)=18x
     90=18x
       5=x</span>
8 0
3 years ago
Use the commutative property for addition to rearrange the algebraic expression 5x-7y-8x+y
BartSMP [9]

You want to use the addition property, so you need to ADD each term. Just change the minuses to pluses, making sure you keep the negative with the number


5x-8x-7y+y =

5x + -8x + -7y +y

5 0
3 years ago
PLEASSSSSSSSSSSEEEEEEEE HELPPP IM BEGGING SOMEONE PLEASEEEEEEEE PLEASEEEEEEEEEEE HELPPPP​
Doss [256]

Answer:

20 degree

Step-by-step explanation:

x + x + 70 = 110 degree (sum of two opposite interior angle equal to the exterior angle formed)

2x = 110 - 70

x = 40/2

x = 20 degree

3 0
3 years ago
Tom makes $137.10 in 3 days. How much does he make in 2 days?
earnstyle [38]
Answer: $91.40
Explanation
137.10/3=45.7
45.7x2=91.4
4 0
3 years ago
Read 2 more answers
Can someone please help me factor 3x^3-19x^2+33x-9
brilliants [131]
Its (3x-1)(x-3)(x-3)

8 0
3 years ago
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