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kkurt [141]
2 years ago
11

How to evaluate this question

Mathematics
2 answers:
sergey [27]2 years ago
6 0

Answer:

{2x}^{3}  - 3yz

  • x=-1; y=-2 and z=3

2 {( - 1)}^{3}  - 3( - 2)(3)

- 2 +6(3)

- 2 +18

(-)+(+)=(-)

-16

Harlamova29_29 [7]2 years ago
3 0
The answer is 16

Refer image for working :-

Drop comments if any doubt arises.

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What is the answer to this question?
Aleksandr-060686 [28]

Answer:

D) 113.1

Step-by-step explanation:

Volume of a sphere = 4/3 πr3

(4 divided by 3 times pie times the radius cubed)

V= 4/3π(3)3

V=113.09

Round to 113.1

5 0
3 years ago
Please which answer is correct
Georgia [21]

Answer:

Hai

Step-by-step explanation:

I guess it's should be the first option

4 0
3 years ago
What is the equation of the line through (4, -3) and (0, -2)?
kotegsom [21]
The answer is B. y=-4x-2
3 0
3 years ago
36 students for 3 teachers =<br> 1.0<br> 5<br> 12 students for 1 teacher.
11111nata11111 [884]

Answer:

12

Step-by-step explanation:

36 divided by 3 =12 for 1 teacher

6 0
2 years ago
Given that the line y=c-2x is tangent to the curve y^2=kx where c and k are non-zero constants,express k in terms of c
Viktor [21]

Answer:

k = -8c.

Step-by-step explanation:

y^2 = kx

Find the slope of the tangent by differentiating:

y' 2y = k

y' = k / 2y = the slope of the tangent.

The given equation of the tangent is y = -2x + c so the slope = -2.

Therefore  k/2y =  -2  so k = -4y and y = -k/4

y^2 = kx so k^2/16 = kx giving x = k/16.

Substituting for x and y in y = -2x + c:

-k/4 = -2 k/16 + c

-k/4 = -k/8  + c

c = -k/4 + k/8 = -k/8.

So -k = 8c

k = -8c.

3 0
4 years ago
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