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4 years ago

Rope: 15 feet, cut 4 sections how long is each section of rope?

Mathematics

1 answer:

Tomtit [17]4 years ago

3 0

Answer: each rope is 3.75 inches long!

15 divided by 4 is 3.75. Please mark brainliest

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evelyn drinks 8 glasses of water a day which is 56 glasses a week how many galles of water does she drink in a year 1 year=56 we

Phantasy [73]

Answer:

3,136 glasses each year.

Step-by-step explanation:

If one year = 56 weeks and 8 glasses a day = 56 glasses a week then,

56 (glasses) * 56 (weeks) = 3,136 glasses each year.

6 0

3 years ago

A line passes through the point , −8−3 and has a slope of 34 . Write an equation in slope-intercept form for this line.

koban [17]

First use the point slope form

y-y1=m(x-x1)
plug in the ordered pair to the y1 and x1 so
y--3=m(x--8)
add the slope and make the double minus into a plus

y+3=34(x+8)
then you can distribute the 34

y+3=34x+272

then to get it to slope intercept you subtract 3 from both sides of the equation to make it y=mx+b so

y=34x+269

6 0

3 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 following coordinates are found on a line on a graph: (4.3) and (8.

MA_775_DIABLO [31]

Answer:

both

Step-by-step explanation:

get a line graph

5 0

3 years ago

Thats worng the right answer is 2

ioda

2 is not correct
Use the function below to find f(–4). f(x) = 2x

7 0

3 years ago

Read 2 more answers