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-BARSIC- [3]
3 years ago
11

A woman bought 70 Cubesof Sugar and Sold 25% ofthem.How many Cubes is sheLeft with?​

Mathematics
2 answers:
damaskus [11]3 years ago
5 0

Answer:

52.5 cubes

Step-by-step explanation:

100-25=75

100%=70

75%=x

75 x 70=5250/100=52.5 cubes

ser-zykov [4K]3 years ago
4 0

Answer:

Briainliest here

Step-by-step explanation:

there is 70 cubes of sugar

now 25% is sold

70 x 75% = 70 x 0.75 = 52.5

(I did 75% insted of -25% because its and it actualy works!

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B) Write 25 x 10^6 in standard form.
AURORKA [14]

Answer:

25,000,000

Step-by-step explanation:

Hope this helps!!!

3 0
3 years ago
A stray dog ate 10 of your muffins. That was 5/6 of all of them! How many are left?​
Finger [1]

Answer:

12

Step-by-step explanation:

you first make an equation of 5/6x = 10, then divide 5/6 on both sides to get x = 12

4 0
3 years ago
Does anybody have any tips for remembering this customary capacity so I don't always have to look agh this chart?
TiliK225 [7]
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6 0
3 years ago
Read 2 more answers
Is 6-6 and 1-6 equal
uranmaximum [27]

Answer:

no

Step-by-step explanation:

6-6=0

1-6=-5

7 0
3 years ago
Consider the surface f (x comma y comma z )f(x,y,z)equals=negative 2 x squared plus 2 y squared minus 3 z squared plus 3 equals
trapecia [35]

Answer:

a) (8,8,-6)

b) 4x+4y+3z = -3

Step-by-step explanation:

a)

The surface is given by the equation  

f(x,y,z) = 0 where

f(x,y,z)=-2x^2+2y^2-3z^2+3

The gradient of this function is the vector

(\frac{\partial f}{\partial x},\frac{\partial f}{\partial y},\frac{\partial f}{\partial z})=(-4x,4y,-6z)

If we evaluate it in the point P = (-2,2,1) we obtain the point

(8,8,-6)

b)

The vectors with their tails at P are of the form  

(-2,2,1)-(x,y,z) = (-2-x, 2-y, 1-z)

as they must be orthogonal to the gradient, they must be orthogonal to the vector (8,8,6) so their inner product is 0

(-2-x,2-y,1-z)\cdot(8,8,6)=0\Rightarrow -16-8x+16-8y+6-6z=0\Rightarrow 4x+4y+3z=-3

and the equation of the desired plane is

4x+4y+3z = -3

3 0
3 years ago
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