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vekshin1
3 years ago
13

Need help! Will mark u brainliest for the right answer!

Mathematics
1 answer:
kirill115 [55]3 years ago
3 0

To find the perimeter of this blue figure, add together the shown lengths of the six sides.  

The three measurements on the top have the LCD 4, so we combine 14 3/4, 4 2/4 and 8 2/4.  The sum is 26 7/4, or 27 3/4, or 27.75.

The three measurements on the bottom share the LCD 5, so we can immediately combine them, obtaining 32 8/5, or 33 3/5, or 33.60.

Combining 27.75 and 33.60 results in 61.35, or 61 35/100, or 61 7/20.

The perimeter of the given figure is 61 7/20.

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What is the solution set of {x|x<-5} n {x|x>5}?
ale4655 [162]

\{x|x < -5\}\ \cap\ \{x|x > 5\}=\O

Look at the picture.

The common part does not exist.

4 0
3 years ago
Given the following geometric sequence, find the 12th term: {2, -4, 8, ...}.
BaLLatris [955]
2 times what = -4?
-2 does
-2 x 2 = -4

-4 time what = 8?
Again, -2.
-2 x -4 = 8

You could do this over and over again or make a table, or you can make a function.
f(n) = f(1) • r^{n-1}
f(1) in this case is 2.
f(n) = 2 • r^{n-1}
r is rate of change, which is -2.
f(n) = 2 • -2^{n-1}
To find the 12th number in the sequence, just substitute n for 12.
f(12) = 2 • -2^{12-1}
f(12) = 2 • -2^{11}
-2^11 = -2048
2 x -2048 = -4096
So the 12th number in the sequence will be -4096.
3 0
3 years ago
Solve for x and show all of your steps.<br> 3x - 20 - 4x = 4x - (3x - 2)
snow_tiger [21]
Answer: x = -11

Step-By-Step:
We can start by combining like terms on the left side.
-20 - x = 4x - (3x - 2)
Now we need to distribute the negative on the right side.
-20 - x = 4x - 3x + 2
Now combine like terms on the right.
-20 - x = x + 2
Now add 20 to the other side
- x = x + 22
Subtract x from the left side.
-2x = 22
Now divide by -2.
x = -11
6 0
3 years ago
Read 2 more answers
a college freshman must take a science course ,humanities course, and a mathematics course.if she ay select any of 6 science cou
12345 [234]
Answer: 96 ways

In this case, the freshman must take one class each from Science(6 courses), Humanities(4 courses) and Mathematics( 4 courses).
Then to know how many ways she can arrange you just need to multiply the each course count (it would different if she has to take more than one class).
The calculation would be: 6 x 4 x 4= 96 ways.
3 0
3 years ago
Adding rational numbers <br><br>3/5 + 4/5= 1 ?/5​
Leya [2.2K]

Answer:

1 2/5

Step-by-step explanation:

3/5 + 4/5= 7/5

7 - 5= 2

1 2/5

4 0
2 years ago
Read 2 more answers
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