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lesantik [10]
3 years ago
12

Please do this for me. 15 points

Mathematics
1 answer:
Slav-nsk [51]3 years ago
5 0

Answer:

heres the link 19

brainly.com/question/25392276?answering=true&answeringSource=feedPublic%2FhomePage%2F2

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If the length of room is four times the height and breadth is twice of its height and the volume of the room is 512 m^2 find its
lisov135 [29]

Let  \: x  \: (x>0)  \: be \:  the \:  height \Rightarrow the \: width, length: 2x,4x \\ Volume:V=hwl = 512 \\ \Leftrightarrow x2x4x = 512 \\ \Leftrightarrow 8{x }^{3}  = 512 \\\Leftrightarrow  {x}^{3}  = 64 \\ \Leftrightarrow x = 4 \\ \Rightarrow The \:  height \: is \: 4 \: m, the \: width \: is \: 8 \: m

8 0
4 years ago
Using the substitution P=1/x and Q=1/y.
erma4kov [3.2K]

Step-by-step explanation:

2p + q = 3 \\ p - 5q = 7 \\  \\ multiply \: the \: second \: equation \: by \: 2 \\  2p - 10q = 14 \\ 2p - 10q - (2p + q) = 14 - 3 \\ 2p - 10q - 2p - q = 11 \\  - 11q = 11 \\ q =  - 1 \\  \\ 2p + q = 3 \\ 2p - 1 = 3 \\ 2p = 4 \\ p  = 2

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3 years ago
What is the slope of the line?
Burka [1]

Answer:

ur the one who stole my 50 points last time, now i steal urs, i remember ur profile picture.  but its 2/3

7 0
3 years ago
173700000 in scientific notation
charle [14.2K]


Step-by-step explanation:

= 1.737 × 108^8

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= 173700000

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Hope this helps. (:

3 0
4 years ago
Read 2 more answers
Help asap i need help ill give brainlist!!
natulia [17]

(-11.2)+10.1 = -1.1


(-11.2) +10.1 and 11.2+ (-10.1) are related because the negative signs are switch so both equations have the same answer.


6 0
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