HELP PLEASE

NEED HELP ASAP

Answers

Answer 1

Answer: It should be A. Line DA
Since each box is one, then if you count line DA then you get 10

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The graph shows the distance, y, that a car traveled in x hours: A graph is shown with the x-axis title as Time in hours. The title on the y-axis is Distance Traveled in miles. The values on the x-axis are from 0 to 5 in increments of 1 for each grid line. The values on the y-axis are from 0 to 325 in increments of 65 for each grid line. A line is shown connecting ordered pairs 1, 65 and 2, 130 and 3, 195 and 4, 260. The title of the graph is Rate of Travel. What is the rate of change for the relationship represented in the graph? (1 point) fraction 1 over 65 fraction 1 over 64 64 65

Answers

Answer:

The rate of change is 65 miles per hour.

Step-by-step explanation:

The rate of change is the slope, m. To find the slope, use any pair of points.

$m = (y_2 - y_1)/(x_2 - x_1)$

We will use points (1, 65) and (2, 130).

$m = (130 - 65)/(2 - 1)$

$m = (65)/(1)$

The rate of change is 65 miles per hour.

Answer:

I doing this so you can give the other person brainliest....

Step-by-step explanation:

THANKS

. A field will be made in the shape of a rectangle with an area of 400 square meters. One side of the field is along a river and a fence will be built along the other three sides. A brick wall perpendicular to the river will be built to divide the field into two equal halves. the wall costs $20 per meter and the fence costs $10 per meter to build. what is the lowest possible cost to build such a field?

Answers

Answer:

The correct answer is $800.

Step-by-step explanation:

Let the length and width of the field be equal to l meters and b meters respectively and l > b.

Area of the field is given by l × b = 400 square meters.

The river is supposed to be along the longest side so that the price of fencing the other three sides is minimum. Thus the total perimeter of the fence is b+ b+ l = 2b+l.

Total cost for fencing the other sides of the field = $ 10 × (2b + l)

The wall is supposed to be perpendicular to the river and thus the length of the wall is b meters.

Total cost for the wall is $ 20 × b

Therefore, the total price for making the field is given by

C = 10 × (2b + l) + 20 × b

⇒ C = 40b + 10l

⇒ C = $(16000)/(l)$ + 10l

To minimize the cost we differentiate the cost with respect to l and equate it to zero.

$(dC)/(dl)$ = 0 = - $(16000)/(l^(2))$ + 10

⇒ $l^(2)$ = 1600

⇒ l = 40 ; [ negative sign neglected as length cannot be negative ]

⇒ b = 10

The second order derivative of C is positive giving the minimum value of the cost.

Thus the minimum cost required to make the field is given by $800.

Final answer:

To find the lowest possible cost to build the field, we need to determine the dimensions that will yield the minimum perimeter and then calculate the total cost of building the field. By differentiating the cost equation and solving for x, we can find the dimensions that minimize the cost.

Explanation:

To find the lowest possible cost to build the field, we need to determine the dimensions that will yield the minimum perimeter. Since the area of the field is 400 square meters and it will be divided into two equal halves by a brick wall, each half will have an area of 200 square meters. Let's say the length of the field is x meters. Then the width of each half will be 200/x meters.

The perimeter of the field is the sum of the lengths of the three sides:

Perimeter = 2x + 200/x + 200/x

Now, we can define the total cost to build the field as:

Total Cost = Cost of wall + Cost of fence

Cost of wall = 2x * $20 (since there are two halves)

Cost of fence = (2x + 200/x + 200/x) * $10 (since there is a fence on three sides)

Therefore, the total cost is: Total Cost = 2x * $20 + (2x + 200/x + 200/x) * $10.

To minimize the cost, we can differentiate the total cost with respect to x and set it equal to zero:

d(Total Cost)/dx = 0

Simplifying this equation will give us the value of x that minimizes the cost. We can solve this equation to find the minimum cost to build the field.

Learn more about field here:

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Length of two sides of a triangle is given as 4cm and 4cm which triangle is this

Answers

Answer:

isosceles triangle

Step-by-step explanation:

two equal sides. is this the question only?

Algebra 1 Honors Add Polynomials to find perimeter

Answers

The perimeter of the quadrilateral is 4z 16.

What is Perimeter?

To calculate the perimeter, or distance around the rectangle, sum all four side lengths. This may be done quickly by adding the length and breadth and then multiplying the total by two because each side length has two lengths. The perimeter formula is perimeter=(length+width)2.

The 4 sides of quadrilateral is z-4.

Now, the Perimeter of quadrilateral

= (z-4) + (z-4) + (z-4) + (z-4)

= 4 (z-4)

= 4z- 16

Thus, the perimeter is 4z- 16.

Learn more about Perimeter here:

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Answer:

4z-16 units

Step-by-step explanation:

$P=4S$

$S=z-4$

$P=4(z-4)$

$P=4z-16$

The perimeter of the rectangle is 4z-16 units.

What is negative 2/3 + 4/6

Answers

Answer: 0

Step-by-step explanation:

The common denominator is 6

-2/3 = -4/6

-4/6 + 4/6 = 0

Miguel made a histogram to show the ages of all participants involved in a fundraiser which of the histogram did Miguel forget to create

Answers

Answer: Miguel forgot to create the title.

Step-by-step explanation:

Miguel made the histogram originally histogram to show the ages of all the participants that took part in a fundraiser.

The intervals of histogram are present on the given histogram. 1-10, 11-20, 21-30, 31-40, 41-50.

Same as the frequency for each interval. One notable omission from the histogram which is missing is the title, this implies that Miguel forgot to create the title.

Answer:

C: Miguel forgot to create the title.

Step-by-step explanation:

edg2020

(there is also no title in the picture:))

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