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vichka [17]
3 years ago
5

"Reflex angles measure more than 180 degrees" has a counterexample. True or False?

Mathematics
1 answer:
Inga [223]3 years ago
7 0
No it does not

......




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Anyone who actually knows the real answer will get brainliest.
Black_prince [1.1K]
The answer would be 126 square inches because you have to break up the figures and figure out the area for each one so for the rectangle the area would be 75 because of the formula length times width then for the square it would be 16 because the formula is the side (squared) then for the last one the parallelogram it would be 35 because of the formula base times height. Hope this helped :)
5 0
4 years ago
Which is the best method for solving the system? and explain why it is the best
ololo11 [35]

Answer:

  b: elimination

Step-by-step explanation:

My vote is for elimination, though any of these methods (and some not listed) will get an answer quickly.

Subtracting the second equation from twice the first gives ...

  2(9x +8y) -(18x -15y) = 2(7) -(14)

  31y = 0 . . . simplify

  y = 0 . . . . . divide by 31 (or invoke the zero-product rule)

Then the value of x can be found from the first equation:

  9x = 7

  x = 7/9

__

I like this method because it tells you that y=0 in one step. (Graphing does the same.) For the numbers here, you can do it mentally. Once you recognize that the x-coefficients and the constants are related by the same factor, and that factor is different for the y-coefficients, it becomes apparent that elimination will immediately tell you that y=0.

4 0
3 years ago
I need help figuring out which two grids have the same % please
tigry1 [53]

Answer:

a and c

Step-by-step explanation:

The first one is 3/6 = 50%

The second one is 3/8 = 37.5%

The third one is 2/4 = 50%

The fourth one is 5/8 = 62.5%

The ones with the same percent shaded are the first and third

3 0
3 years ago
Read 2 more answers
Jim washes 2/3 of his car with 1/2 a bottle of soap. What fraction of the soap will he use to clean his entire car?​
Sunny_sXe [5.5K]

Answer:

if he uses 1/2 for 2/3, then you can divide 2/3 and 1.2 by 2 to get the remaining soap needed to complete the wash

so to clean the last 1/3 of the car, he`ll use 1/4 of the remaining soap

the entire car needs <u><em>3/4 of a bottle of soap</em></u>

3 0
3 years ago
Edwin rented for movies for the weekend. DVDs cost two dollars to rent and Blu-ray cost five dollars to rent. If Edwin paid $11
Mariulka [41]

Answer:

Step-by-step explanation:

The actual sum was 3 DVDs and 1 BlueRay.

x + y = 4

2x + 5y = 11

No systems are given, but you can look for something that looks like the above 2 equations.

5 0
3 years ago
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