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Leya [2.2K]
3 years ago
8

A. 66 ft.3 B.80 ft.3 C.128 ft.3 D.256 ft.3 Please answer thank you!:)

Mathematics
1 answer:
Lelechka [254]3 years ago
4 0

Step-by-step explanation:

Volume of the shown figure would give the idea of amount of plaster required to give the shapes.

Volume of the small box = 1×1×2= 2ft³

Volume of the big box = 4×4×4=64ft³

Total vol of the model = 64+2=66ft³

optionA

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x: Unknown value of total amount of pencils
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7 0
3 years ago
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vagabundo [1.1K]
Should be increasing because the line is going up slanted upwards :)
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Factorize: x^2 + (a^2+1)/a x+1
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This is what I get not sure if the problem on numerator is together if it is then .  X^2+(a^2+1)     x^2+a^2+1.     -----------------= -----------------   AX+1.                Ax+1  Answer: a^2+x^2+1               ----------------                 AX+1 If I wrote the actual problem wrong let me know. This is what I understood.

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2 years ago
<img src="https://tex.z-dn.net/?f=%20%20%5Cfrac%7B2%7D%7B15y%7D%20%20%2B%20%20%5Cfrac%7B3%7D%7B5y%20%7B%7D%5E%7B3%7D%20%7D" id="
Xelga [282]

Answer:

2y²   +   9

---------------

      15y³

Step-by-step explanation:

Start by identifying the LCD, and then change each fraction so that its denominator is the LCD.

Here the LCD is 15y³, which is evenly divisible by 15y and 5y³.

Focus now on the first fraction:  2 / (15y).  Multiplying numerator and denominator of this fraction by y² results in

y²·2          2y²

--------- → ----------

y²·15y       15y³           ←This is the correct LCD

Multiplying numerator and denominator of the second fraction by 3 results in:

   3·3            9

------------ → ---------

 3·5y³         15y³          ←This is the correct LCD

So now those two original terms look like:

 2y²         9

--------- + --------

 15y³       15y³

and this can be written in simpler form as:

2y²   +   9

---------------

      15y³

3 0
3 years ago
78% of 68 is what number?
raketka [301]

Answer:

53.04

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