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igomit [66]
3 years ago
10

PLEASE HELP ASAP!!! PLEASE!!!!

Mathematics
1 answer:
lara [203]3 years ago
3 0

Answer:Part A:8  Part B:$1

Step-by-step explanation:

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The volume of a room is 1,258 3/5 cubic meters.The height is the room is 11 3/5 meters.What is the area of the floor?
ki77a [65]

The volume can be found with this general formula:


V = area·height


To solve for area, divide height from both sides to get the area by itself:


V ÷ height = area


We know our values for the volume and height. Plug them into this equation:


V = 1,258 3/5

height = 11 3/5


1,258 3/5 ÷ 11 3/5 = 108.5


The area of the floor is 108.5 square meters.

6 0
4 years ago
Sum10and product of 9​
AVprozaik [17]

Answer:

x+ y = 10  ---(1)\\ x\cdot y = 9 ---(2)\\\\from(2) \ y  = \frac{9}{x}\\\\substitute \ y \ in (1) \\x +  \frac{9}{x} = 10\\\\x^2 + 9 - 10x = 0\\x^2 -10x + 9 = 0\\x^2 -9x -x +9 = 0\\x(x-9)-1(x-9)=0\\(x-1)(x-9)=0\\x = 1 \ or \ 9\\

substitute x in y = 9/x

=> y = 9 or 1

So the number are 1 and 9 or 9 and 1

6 0
3 years ago
What is the simplified form of x minus 5 over x squared minus 3x minus 10 ⋅ x plus 4 over x squared plus x minus 12? (6 points)
iren2701 [21]
Step 1 is to factor everything! 

After factoring you will get:

x-5 over (x+2)(x+5) times x+4 over (x-3)(x+4)

Step 2 is to remove the duplicate factors!
Remove x+4 and x+5

x-5 over (x+2)(x-5) times 1 over x-3 = 1 over x+2 times 1 over x-3 

Step 3 is to multiply the numerators and the denominators.

End result is 1 over (x+2)(x-3)




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Answer:

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Step-by-step explanation:

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