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Andrews [41]
2 years ago
14

If x=2, what is the value of x (14-x)

Mathematics
2 answers:
RUDIKE [14]2 years ago
8 0

Answer:

24

Step-by-step explanation:

Sonbull [250]2 years ago
3 0

Answer:

12

Step-by-step explanation:

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The volume of a cone is 3rx? cubic units and its height is x units. Which expression represents the radius of the cone's base, i
Marianna [84]

Answer:

It is given that the volume of a cone = 3\pi x^3 cubic units

Volume of cone with radius 'r' and height 'h' = \frac{1}{3}\pi r^2h

Equating the given volumes, we get

3\pi x^3=\frac{1}{3}\pi r^2h

r^2h=3 × 3x^3

r^2h=9 x^3

It is given that the height is 'x' units.

Therefore, r^2x=9x^3

r^2=9x^2

Therefore, r=3 x

So, the expression '3 x' represents the radius of the cone's base in units.

3 0
2 years ago
"Eight more than twice a number" can be written as what algebraic expression?
Ainat [17]
" 8 more "....means add 8
" twice a number " means multiply the number by 2

ur expression is : 2n + 8
7 0
3 years ago
Read 2 more answers
The midpoint of UV is point W. What are the coordinates of point V?
madreJ [45]

Since you don't provide the coordinates of the point W, I will help you in a general form anyway. In the Figure below is represented the segment that matches this problem. We have two endpoints U and V. So, by using the midpoint formula we may solve this problem:

Midpoint=W=W(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2})=W(x_{3}, y_{3}) \\ \\ where:\\ \ U=U(x_{1}, y_{1}) \ and \ V=V(x_{2}, y_{2}) \\ \\ and: \\ x_{3}=\frac{x_{1}+x_{2}}{2} \\ y_{3}=\frac{y_{1}+y_{2}}{2}

Therefore:

x_{2}=2x_{3}-x_{1} \\ y_{2}=2y_{3}-y_{1}

So we know x_{3} \ and \ y_{3} but we also must know x_{1} \ and \ y_{1}

Finally, knowing the points U and W we can find the endpoint V.

7 0
3 years ago
Read 2 more answers
A lawn is in the shape of a trapezoid with a height of 7070 feet and bases of 4040 feet and 160160 feet. how many full bags of f
Leni [432]
Area of the trapezium = 1/2 (40 + 160) x 70
Area of the trapezium = 7000 ft²

One bag of fertilizer = 4000 ft²

Number of bags of fertilizer needed  = 7000 ÷ 4000 = 1.75 bags.

Since only full bags of fertilizer can be bought, 2 bags of fertilizer are needed.

------------------------------------
Answer: 2 bags of fertilizer
------------------------------------

7 0
3 years ago
Solve this equation for A:A ÷ 2 = 4        A. 2   B. 6   C. 8   D. 4
algol13

Answer:

C) 8

Step-by-step explanation:

A ÷ 2 = 4

Get the 2 and 4 on the same side of the equal sign

A = 2 * 4

Multiply

A = 8

:)

6 0
3 years ago
Read 2 more answers
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