3 years ago

784.5, 78.45, 7.845 find the next two numbers

Mathematics

2 answers:

elena-14-01-66 [18.8K]3 years ago

5 0

The answer is 0.7845 because the decimal moves up one place

BARSIC [14]3 years ago

4 0

0.7845 and 0.07845 because you keep moving the decimal to the left.

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- Another way to multiply decimals is to multiply as you would with

oksano4ka [1.4K]

One for 5.8 and one for 1.2
Hope this helps

3 0

3 years ago

The perimeter of a rectangular pool is 304 m. if the length of the pool is 81 m, what is its width?

marta [7]

Answer:

perimeter=2(L+W)

304=2(81+W)

Step-by-step explanation:

304=162+2W.2W=304-162.2W=142\2=71

7 0

1 year ago

William,Jan and Greg have a total of $26. Greg has the most money. Jan has twice as much money as William. Greg has $11 dollars.

Alexeev081 [22]

Answer:

$10

Step-by-step explanation:

Greg's amount of money = $11

26-11 = 15 =

Jan's amount of money = $10

William's amount of money = $5

5x2 = 10

6 0

3 years ago

Find an equation for the plane that is tangent to the surface z equals ln (x plus y )at the point Upper P (1 comma 0 comma 0 ).

alexira [117]

Let $f(x,y,z)=z-\ln(x+y)$ . The gradient of $f$ at the point (1, 0, 0) is the normal vector to the surface, which is also orthogonal to the tangent plane at this point.

So the tangent plane has equation

$\nabla f(1,0,0)\cdot(x-1,y,z)=0$

Compute the gradient:

$\nabla f(x,y,z)=\left(\dfrac{\partial f}{\partial x},\dfrac{\partial f}{\partial y},\dfrac{\partial f}{\partial z}\right)=\left(-\dfrac1{x+y},-\dfrac1{x+y},1\right)$