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topjm [15]
3 years ago
13

All parallellograms are squares true or false​

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer:

false

Step-by-step explanation:

all parallelograms are not square

their opposite sides only equal

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Don't get this question
solniwko [45]

Answer:

17 and 18

Step-by-step explanation:

Writing every 2 digit number gives us :

10-99 including 10 and 99

For the first one we are looking for numbers where the number 3 appears only once so 33 would be invalid.

13,23,30,31,32,34,35,36,37,38,39,43,53,63,73,83,93

There are 17 2-digit numbers that have 3 exactly once

For the second one we are looking for number where the number 3 appears a minimum of once so 33 would be valid :

13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93

There are 18 2-digit numbers that have 3 at least once

Hope this helped and have a good day

5 0
2 years ago
Solve for r and t:<br> 6r - 3t = 6<br> 6r + 8t = -16
MAVERICK [17]
Multiply the first equation with (-1)
you should get this

-6r + 3t = -6
6r + 8t = -16

start to eliminate

11t = -22

divide by 11

t = -2

substitute 

6r - 3(-2) = 6
6r + 6 = 6
6r = 6 - 6
6r = 0 
r=0
8 0
3 years ago
Expand.<br><br>Your answer should be a polynomial in standard form.<br><br>(x-1)(x+4)=
Montano1993 [528]

Answer:

X^2+3x-4

Step-by-step explanation:

This is the answer

8 0
3 years ago
Read 2 more answers
Use the table to identify values of p and q that can be used to factor
liberstina [14]
It would be C. -2 and 6
3 0
3 years ago
Help me with this plz
djyliett [7]
Ok what do u need help with?

7 0
3 years ago
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