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Alinara [238K]
3 years ago
13

Use dimensional analysis to convert 12 kilometers to feet.

Mathematics
2 answers:
ivanzaharov [21]3 years ago
7 0

Answer:

39360 feet

Step-by-step explanation:

1 km = 3280 feet

12 km = 39360 feet

Have nice day!!! :-)

<u>KA</u>

OverLord2011 [107]3 years ago
3 0

Answer:

39370.1

Step-by-step explanation:

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What is the slope of the line that contains the points (9,-4) and (1,-5)?
Lyrx [107]

Answer:

Step-by-step explanation:

hello .....

note : the slope of the line (AB) is :

m = (YB -YA)/(XB - XA)

given  :  A(9,-4) and B (1,-5)

m= ((-5)-(-4))/(1-9)

m= 1/8

8 0
1 year ago
Please help me with these problems :(<br><br>-random person who struggles in pre algebra
yKpoI14uk [10]
Hope these help:
#9 
a-4 divided by 5 = 12
5*12 is 60 
60+4 is 64
60 (final answer for a)
#10
n+3 divided by 8 = -4
8*(-4) =  -32
-32 + 3 = -35
 -32 (final answer for n)
#11
6+z divided by 10 = -2
-2 * 10 = -20
-20=6=-26
-20 (final answer for z)
btw, can't see diagram
8 0
3 years ago
Graph the inequalitly y&gt; 2/3x -1
Darina [25.2K]

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5 0
3 years ago
Same way of solving<br>​
Paul [167]

Answer

96 inches cubed

Step-by-step explanation:

Ok, same way of solving then. Just with a few more useless numbers. Take rectangular prism A, 6in x 3in x 3in, you will get 54in^3.

Then take prism B, 2in x 3in x 7in, you will get 42in^3.

Finally, take those two numbers, add them, and you end up with 96in^3

6 0
2 years ago
If 3 is added to a number and the sum is tripled​, the result is 21 more than the number. find the number.
zavuch27 [327]
<span>If 3 is added to the number: x + 3
b) ...and the sum is tripled.. 
"The sum" is "x + 3" so: 3(x+3)
c) ...the result is 27 more than the number.
27 more than the number is x + 27 
d) Put it all together:
3(x + 3) = x + 27 
Solve for x: 
1) Distribute the left side of the equation:
3x + 9 = x + 27

2) Subtract x from each side of the equation:
2x + 9 = 27
3) Subtract 9 from each side of the equation:
2x = 18
4) Solve for x:
x = 9 
Check: 
1) x = 9
2) 3(x + 3) = x + 27
3) 3 ([9] + 3) = [9] + 27
4) 3(12) = 9 + 27
5) 36 = 36 

So, therefore The answer is correct</span>
7 0
3 years ago
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