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Sunny_sXe [5.5K]
2 years ago
13

HELP ME PLEASE DUE TODAY !!! FIRST PERSON TO GIVE ME THE ANSWER I WILL GIVE YOU BRAINILYEST OR WHATEVER!!!!

Mathematics
1 answer:
Blizzard [7]2 years ago
8 0

Answer:

12

Step-by-step explanation:

30/25 = X/10

X equals 12

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Find the volume. I will award best answer!! Please help me
Brums [2.3K]

Answer:

1512

Step-by-step explanation:

18 times 21 times 8 = 3024

since it's a triangular prism, u half it

3024 div 2 = 1512

6 0
2 years ago
Which one of the following expressions will find the sum of interior angles of a polygon with 14 sides?
cupoosta [38]
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So the correct answer is B) 180(14-2)
6 0
3 years ago
What is the area of the regular octagon below?
pishuonlain [190]
9 plus How many sides nine times
3 0
3 years ago
Read 2 more answers
I need help with #4 a-d
lesya [120]

a repeating decimal is placed over 9's instead of 0's.   for example: 0.23 = \frac{23}{100}, but 0.232323... = \frac{23}{99}

a) x = 0.121212

b) 100(x) = 100(0.121212)

    100x  = 12.1212

c)  100x = 12.1212

-  <u>        x =   0.1212</u>

     99x  =  12

         x  = \frac{12}{99}

d) -2\frac{12}{99}  <em>= -2\frac{4}{33} when simplified</em>

The number is rational becase it has a repeating decimal

6 0
3 years ago
Solve.
lions [1.4K]

Answer:

b=9,a=12

Step-by-step explanation:

I solved by substitution:

b = 3/4a  ---> plug this into the other equation

a + b = 21   is now    a + 3/4a = 21

Reduce: 7/4a = 21

a = 12

Now solve for b:

b=3/4a is now b=3/4(12)

b=9

6 0
3 years ago
Read 2 more answers
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