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3 years ago

What is 3/4 divided by 4/5

Mathematics

2 answers:

klemol [59]3 years ago

7 0

Answer:

15/16

Step-by-step explanation:

There ya go.

Elan Coil [88]3 years ago

4 0

Answer:

15/16

Step-by-step explanation:

hope this helps you out and good luck

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Consider the system of equations. 5x – 2y = 6 –10x + 4y = –12 Check all the statements that are true. a)the lines coincide. b)Th

QveST [7]

Answer:

a) the lines coincide, c) the slopes are equal, d) the y-intercept are equal, e) the system has an infinite number of solutions.

Step-by-step explanation:

Each equation is a multiple of the other one. Thus, the system of equation has an infinite of solutions, reports same slopes and y-intercepts and coinciding lines.

5 0

4 years ago

At what point on the paraboloid y = x2 + z2 is the tangent plane parallel to the plane 3x + 2y + 7z = 2? (if an answer does not

Nikitich [7]

If $f(x, y, z) = c$ represent a family of surfaces for different values of the constant $c$ . The gradient of the function $f$ defined as $\nabla f$ is a vector normal to the surface $f(x, y, z) = c$ .

Given the paraboloid

$y = x^2 + z^2$ .

We can rewrite it as a scalar value function f as follows:

$f(x,y,z)=x^2-y+z^2=0$

The normal to the paraboloid at any point is given by:

$\nabla f= i\frac{\partial}{\partial x}(x^2-y+z^2) - j\frac{\partial}{\partial y}(x^2-y+z^2) + k\frac{\partial}{\partial z}(x^2-y+z^2) \\ \\ =2xi-j+2zk$

Also, the normal to the given plane $3x + 2y + 7z = 2$ is given by:

$3i+2j+7k$

Equating the two normal vectors, we have:

$2x=3\Rightarrow x= \frac{3}{2} \\ \\ -1=2 \\ \\ 2z=7\Rightarrow z= \frac{7}{2}$

Since, -1 = 2 is not possible, therefore there exist no such point on the paraboloid $y = x^2 + z^2$ such that the tangent plane is parallel to the plane 3x + 2y + 7z = 2.

4 0

4 years ago

The price for gasoline is represented by the equation y = 3.69x, where 'y' represents the total price for 'x' gallons of gasolin

Kazeer [188]

Answer:true

Step-by-step explanation:

8 0

3 years ago

Help me find the scale factor

Andrews [41]

Answer:

1.5

Step-by-step explanation:

of the similar shapes you are only given the lengths of two corresponding sides, 22mm and 33mm

if you do 33/22 you get 1.5 so your scale factor is 1.5

(in order to go from the original shape to the copy times by 1.5, and divide if you know the length of the copy and want to work out the original)

5 0

3 years ago

Multiply using an area model (5a) (3a - 4)

nalin [4]

15a-14 is the answers

4 0

3 years ago