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neonofarm [45]
3 years ago
11

Question:

Mathematics
1 answer:
katrin2010 [14]3 years ago
5 0
So this u I d asome and super cool idk what to say lol hahah
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Whta is the common denomiter to 13/20 and 19/30
charle [14.2K]
\frac{13*3}{20*3}= \frac{39}{60} \\ 
 \\  \frac{19*2}{30*2}= \frac{38}{60} \\ 
 \\ Common \ Denominator:60 \\
8 0
3 years ago
Men absolute deviation of 14, 8, 7,6,5,10,11,8,8,6
maks197457 [2]
I don't know much about this but as far as I can tell the mean is about 8, that would make the deviation value of about 2
4 0
3 years ago
The volume of a cone is 3.x cubic units and its height is x units.
Vika [28.1K]

Answer:

Radius of the cone's base is 3x ....

Step-by-step explanation:

We have given that the volume of a cone is 3πx³

Height = x units.

The volume of a cone of radius r and height h units is given by:

V= 1/3 π r² *h

Simply plug the values given in the question into the above mentioned equation:

1/3πr²*x = 3*π*x³

1/3r²*x= 3x³

r² = 3*3*x³/x

r²=9x²

Taking square root at both sides we get:

√r² =√9x²

r = 3x

Thus the radius of the cone's base is 3x.

5 0
4 years ago
Read 2 more answers
4 The width of a rectangular dance floor
Brilliant_brown [7]

Answer:

\boxed{\sf a. \ 6x + 5}

Given:

f(x) = -2x + 5

To Find:

f(-3x)

Step-by-step explanation:

\sf Evaluate \ f(x) \ by \ substituting \ in \ the \\ \sf value \ of \ x = -3x \ into \ f(x): \\ \sf f( - 3x) = -2( - 3x) + 5 \\ \\ \ \ \ \ \ \ \ \ \ \ \ \  \sf =  6x + 5

6 0
4 years ago
D=h+9 The variable H represents the number of hours worked, and the variable d represents the amount of dough prepared how many
Marta_Voda [28]

Answer:

  12 hours

Step-by-step explanation:

If we assume that the units of D are kg, then we can put the given number into the equation and solve.

  21 = h +9

  12 = h . . . . . subtract 9

Eli worked 12 hours to prepare 21 kg of dough.

8 0
4 years ago
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