PLEASE I HAVE BRAINLY PLUS AND IT NOT WORKING SEND HELLP

Answers

Answer 1

Answer:

Step-by-step explanation:

the answer is in the above image

but I do not get the meaning of Dy

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Answer question number 5

Answers

Answer:

36 is answer

Step-by-step explanation:

A cube has 6 sides.

216÷6=36

so therefore one side is 36 cubic inches

$\tt Step-by-step~explanation:$

$\tt Step~1:$

Let's solve for one side first. The equation to solve for one side with only the volume provided is V ^ 1/3.

$\tt 216^{(1)/(3)} \n216^{(1)/(3)} =6$

One side of the cube is 6, so that means all sides of the cube is equal to 6.

$\tt Step~2:$

To find the area of one side of the cube, we take one side and multiply it by itself, since the formula for solving for the area is length • width.

$\tt 6*6=36$

$\large\boxed{\tt Our~final~answer:Area~of~one~side=36~in.^2}$

To check our answer, we can multiply 36 by 6 and see if it equals to 216.

$\tt 36*6=216=correct$

Use the substitution method to solve 3x-5y=-8 and x+2y=1

Answers

$\boxed{ \left \{ {{3x-5y=-8} \atop {x+2y=1}} \right.} \n \n x+2y=1\Rightarrow \boxed{x=1-2y} \n------------- \n \boxed{\left \{ {{3x-5y=-8} \atop {x=1-2y}} \right. } \n\n3(1-2y)-5y=-8 \n 3-6y-5y=-8\n\n3-11y=-8\n\n-11y=-8-3 \n \n -11y=-11y \n \n \boxed{y=1} \Rightarrow \boxed{x=-1}$

Given the roll of paper towels below how much plastic would be needed to cover the role so it can be sold given the diameter of the role is 10 inches and the height is 13 inches

Answers

Answer:

Amount of plastic need to cover paper role = 565.2 inches

Step-by-step explanation:

Given:

Diameter of paper role = 10 inch

Height of paper role = 13 inch

Find:

Amount of plastic need to cover paper role

Computation:

Radius of paper role = Diameter of paper role / 2

Radius of paper role = 10 / 2

Radius of paper role = 5 inch

Amount of plastic need to cover paper role = Total surface area of cylinder

Amount of plastic need to cover paper role = 2πr(h+r)

Amount of plastic need to cover paper role = 2(3.14)(5)(13+5)

Amount of plastic need to cover paper role = (3.14)(10)(18)

Amount of plastic need to cover paper role = 565.2 inches

revenue for the week is 2,000. Labor consits of two worker's. earning 8.00 per hour. who work 40 hours each. what is labor cost as a percentage of revenue.

Answers

so, two workers working 40 hours each, that's 80 hours of work. 8 dollars per hour in pay: 8*80=640; so 640 dollars were paid to the workers.

the labor cost is $(640)/(2000) *100$ =[tex] \frac{64}{2} /tex]=32

so the labor cost is 32% of the revenue.

Given f(t)=t to the power of 4 +t² -5, find the value of f(b) - f(-b)

Answers

$f(t)=t^4+t^2-5\n \n f(b)-f(-b)=b^4+b^2-5-[(-b)^4+(-b)^2-5]\n \n f(b)-f(-b)=b^4+b^2-5-b^4-b^2+5\n \n \boxed{f(b)-f(-b)=0}$

$f(b)-f(-b)=b^4+b^2-5-((-b)^4+(-b)^2-5)\n f(b)-f(-b)=b^4+b^2-5-(b^4+b^2-5)\n f(b)-f(-b)=b^4+b^2-5-b^4-b^2+5\n f(b)-f(-b)=0$

Click through and select the graph that represents the function shown in the table.

Answers

It the graph that represents the function given in the table is the graph [3].

What is the point slope form of the equation of a line?

The point slope form of a line is given by -

y - y₁ = m(x - x₁)

Given is a line that passes through the points (-2, 5), (0, 3), (1, 2) and (4, -1).

The general equation of the straight line is -

y = mx + c

where -

m is the slope of line

c is the y - intercept

Now -

We can calculate the slope as follows -

m = (2 - 3)/(1 - 0) = -1/1 = -1

Now, at [x] = 0, [y] = 3

Which is the y - intercept.

The equation of the line will be -

y = - x + 3

We will plot the graph and match it with the given ones.

It can be seen that graph 3 is the correct choice.

Therefore, it the graph that represents the function given in the table is the graph [3]. It is plotted and attached with the answer for reference.

To solve more questions on straight line, visit the link below-

brainly.com/question/10730695

#SPJ5

The graph that represents the table is the one in the image at the end.

Which graph represents the line in the table?

Here we want to identify the line that represents the given table.

The first thing we can notice is the pair (0, 3). This means that the y-intercept of this line is y = 3.

Also, the next pair is (1, 2)

So, for each increase in x of one unit, we have a decrease of one unit in y, which means that the line goes downwards.

So the correct graph is the one posted below.

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