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dem82 [27]
3 years ago
8

(45- 3 to the second power) divide ( 12 - 6 )​

Mathematics
1 answer:
konstantin123 [22]3 years ago
3 0

Answer:

6

Step-by-step explanation:

Solve what is in the parentheses first

(45-3^2)= 36

(12-6)= 6

Substitute what you got into the parentheses:

(36)÷(6)= 6

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I need help bc I keep getting confused
umka2103 [35]

Answer:

6 3/4 (six and three fourths)

Step-by-step explanation:

First, we must turn 4 6/7 into an improper fraction, AKA 28/7. Now, you can't subtract 1/4 from 28/7, can you? So what you need to do is find the greatest common factor of 4 and 7. The GCF would be 28 (7 x 4 = 28, 4 x 7 = 28).

Now we know that the GCF is 28, we can turn the numbers into 28/28 and 1/28. But wait! We aren't done yet. Now we have to change the numerators. Since you multiplied the denominator (7) by 4 to get 28, you must now multiply 28 by 4 as well. (If you do something to the bottom, you have to do it to the top!) Because of this, we are now at 196/28.

Next, we must do the numerator of 1/28. Since we multiplied the denominator (4) by 7 to get 28, we must now multiply 1 by 7. This gets you to 7/28.

It's finally time to subtract. 196 - 7 is 184, so we are at 184/28. But hey, that's an improper fraction! You have to simplify. 184 divided by 28 is 6.75. 0.75 is 3/4 when turned into a fraction.

Mash 6 and 3/4 together, and you've got your answer! 6 3/4.

7 0
3 years ago
Identify the angles of rotational symmetry for the figure.
miss Akunina [59]
I saw 180, 90, 45. That’s only because 360/8=45 so it’s symmetrical when rotated by a multiple of 45. Hope that helps
3 0
3 years ago
I was wondering what the answer to these problems is?
alina1380 [7]
The first one is 4
Second is 5/9
Third is 1/2
Fourth is 11
7 0
2 years ago
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Please help meeeeee :///
eimsori [14]
Wouldn't all the angles equal 180? We've been trying to learn these but I think so. Subtract both numbers by 180 and it should be the answer. Sorry if it's wrong but I'm not sure. I kinda hope this helps you any
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2*7b  =

use the distributive property

14b

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