Anyone got answers please

Answer:

y = - 2x + 17

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 2, then

y = - 2x + c ← is the partial equation

To find c substitute (6, 5) into the partial equation

5 = - 12 + c ⇒ c = 5 + 12 = 17

y = - 2x + 17 ← equation of line

Answer:

Step-by-step explanation:

So we know they used their sprinklers for a total of 50 hours. We divide 50 by 2, and get 25. We multilpy the amount of water output of each family by 25. Morris family: 375

Bake family: 1000

I am so sorry this is as far as I got. If I get the rest, I will let you know unless someone else answered. so so sorry

The fan blades will have rotated 180 degrees when vertex D reaches the point where vertex C is now.

When the two fan blades in the shape of equilateral triangles rotate clockwise around point P, the vertex D will reach the point where vertex C is now.
To determine the number of degrees the blades will have rotated, we need to know the number of degrees in a full rotation. A full rotation consists of 360 degrees.
Since both blades rotate together, they will cover the same number of degrees. Therefore, when vertex D reaches the point where vertex C is now, the blades will have rotated by half of a full rotation, which is 180 degrees.

In summary, the fan blades will have rotated 180 degrees when vertex D reaches the point where vertex C is now.

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In terms of persons per square kilometer, Singapore has a population density of 8266.12

The amount of people in a given region per unit area is known as population density.

In 2018, Singapore had a population density of 21,400 people per square mile.

The parameters provided are

There are 21400 inhabitants in total.

Area = 1 square mile,

The square kilometer to square mile conversion

1 x 1.609² = 2.588881 Km²

Residents per square mile divided by the population

21400 x 2.588881 is the population density.

8266.12 people are found in every square kilometer.

As a result, Singapore has a population density of 8266.12 persons per square kilometer.

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After answering the given query, we can state that The square is 6 inches long as a result.

According to Euclidean mathematics, a square has four equal sides and four equal angles, making it an equilateral quadrilateral. Another name for it is a rectangle with two adjacent edges that are the same length. An equilateral quadrilateral is one that has four equal sides and four equal angles, like a rectangle. 90 degree or straight angles are square angles. The square's diagonals are also divided at a 90-degree angle and are evenly spaced. a rectangle with two equal edges that is adjacent. a quadrilateral with four equal edges and right angles on all four sides. a parallelogram with two adjacent sides that are equal and make a right angle. rhombus with square sides.

Let's use the symbol x inches to represent the square's edge length.

The square's circumference, or the overall length of tape used, is 16 inches. Therefore:

4x = 16

When we simplify the solution, we obtain:

x = 4

Thus, the cube has sides that are 4 inches long.

Let's think about the parallelogram now. Its breadth is stated to be half the square, which translates to:

breadth equals 1/2 * 4 inches.

2 (length plus width) equals 16.

The result of substituting the number of the width we just discovered is:

length plus 2 equals 16,

When we simplify the solution, we obtain:

lenght + 2 equals 8

By taking 2 away from both edges, we arrive at:

width = 6

The square is 6 inches long as a result.

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Answer:  Yes

Step-by-step explanation:

I hope this makes sense!  : )

The inequality to show the values of [w] that will not exceed the weight limit of the elevator is w + 1643 ≤ 2000. On solving the inequality, we get w ≤ 357. The graph of the inequality is attached.

        ≤ : less than or equal to

        ≥ : greater than or equal to

        < : less than

        > : greater than

        ≠ : not equal to

Given is the maximum load for a certain elevator is 2000 pounds. The total weight of the passengers on the elevator is 1400 pounds. A delivery man who weighs 243 pounds enters the elevator with a crate of weight [w].

        1400 + 243 + w ≤ 2000

        w + 1643 ≤ 2000

        w + 1643 ≤ 2000

        w ≤ 2000 - 1643

        w ≤ 357

Therefore, the inequality to show the values of [w] that will not exceed the weight limit of the elevator is w + 1643 ≤ 2000. On solving the inequality, we get w ≤ 357. The graph of the inequality is attached.

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Answer:

Annalise is correct because the outputs are closest when x = 1.35

Step-by-step explanation:

The solution to the equation 1/(x-1) = x² + 1 means the one x value that will make both sides equal. If we look at the table, notice how when x = 1.35, f(x) values are closest to each other for both equations, signifying that x = 1.35 is approximately the solution. Thus, Annalise is correct.

The equivalent expression of 3/2(6x^2 - 2/3x) is 9x^2 - x

The expression is given as:

3/2(6x^2 - 2/3x)

Open the bracket

3/2*6x^2 - 3/2*2/3x

Evaluate the product

9x^2 - x

Hence, the equivalent expression of 3/2(6x^2 - 2/3x) is 9x^2 - x

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Answer:

2744 ft^2

Step-by-step explanation:

volume= length x width x height

14 x 14 x 14 = 2744

Answer:

25%

Step-by-step explanation:

Based on the given conditions, formulate

Calculate the sum or difference:

 Multiply a number to both the numerator and the denominator

: Write as a single fraction: 

Calculate the product or quotient: 

Rewrite a fraction with denominator equals 100 to a percentage: 

Answer:

198

Step-by-step explanation:

27/9 becomes three and then there is no need to divide 198 by three because it is being multiplied by three

Answer:

198

Step-by-step explanation:

27/9= 3

198/3= 66

66 x 3= 198

Answer:

C- 302.57

Step-by-step explanation:

Answer: x= 6

Step-by-step explanation:

Since the shape is a parallelogram, the angles will either be equal to each other or add up to 180.  

You can see they do not look the same so they add up to equal 180

12x + 3 +105 = 180

12x + 108 = 180

12x = 72

x = 6

To find the result of multiplying vector a by vector b, we use the dot product or scalar product. The dot product of two vectors is calculated by multiplying the corresponding components and summing them up.

Given:

a = [1, 3, 5]

b = [1, 3, 5]

To find a · b, we multiply the corresponding components and sum them:

\(a . b = (1 * 1) + (3 * 3) + (5 * 5)\\ = 1 + 9 + 25\\ = 35\)

So, a · b equals 35.

Now, let's plot the coordinate (35) on a graph paper. Since the coordinate consists of only one value, we'll plot it on a one-dimensional number line.

On the number line, we mark the point corresponding to the coordinate (35). The x-axis represents the values of the coordinates.

First, we need to determine the appropriate scale for the number line. Since the coordinate is 35, we can select a scale that allows us to represent values around that range. For example, we can set a scale of 5 units per mark.

Starting from zero, we mark the point at 35 on the number line. This represents the coordinate (35).

The graph paper would show a single point labeled 35 on the number line.

Note that since the coordinate consists of only one value, it can be represented on a one-dimensional graph, such as a number line.

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Answer:

153.94 in²

Step-by-step explanation:

The equation for Area is

Area = πr²

Plugging in the value for the radius into r, it will be

(note, r means radius)

Area = π(7)²= 49π ≈ 153.94

The units is -> in² so add that in the end

On solving the query we can say that As a result, the hemisphere's diameter, to the nearest tenth of a centimetre, is roughly 23.8 cm for a volume of 9103 cm3.

Mathematics is concerned with numbers and their variations, equations and related structures, shapes and their places, and possible placements for them. The relationship between a collection of inputs, each of which has an associated output, is referred to as a "function". An relationship between inputs and outputs, where each input yields a single, distinct output, is called a function. Each function has a domain and a codomain, often known as a scope. The letter f is frequently used to represent functions (x). X is the input. The four main types of functions that are offered are on functions, one-to-one functions, many-to-one functions, within functions, and on functions.

The equation (2/3)r3 yields the volume of a hemisphere. Given that the hemisphere's volume is 9103 cm3, we can use the following formula to get its radius:

(2/3)πr³ = 9103

When we simplify this equation, we obtain:

r³ = 9103 × 1.5 / π

r = (9103 × 1.5 / π)^(1/3)

Now, the hemisphere's diameter is equal to double its radius. We therefore have:

diameter = 2r diameter = 2 (9103 divided by 1.5) divided by 1/3

Calculating this expression yields the following results:

diameter: 23.8 centimetres (rounded to the closest tenth)

As a result, the hemisphere's diameter, to the nearest tenth of a centimetre, is roughly 23.8 cm for a volume of 9103 cm3.

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The diameter of the hemisphere to the nearest tenth of a centimeter is 23.9 cm.

What is hemisphere?

A hemisphere is a three-dimensional geometric shape that is formed by slicing a sphere in half along a plane that passes through its center. The resulting shape is a half-sphere with a curved surface and a flat base. A hemisphere has the same radius as the sphere from which it was derived and is therefore a symmetrical shape.

The volume of a hemisphere can be calculated using the formula: V = (2/3)πr³, where V is the volume and r is the radius.

Since we have the volume of the hemisphere, we can solve for the radius as follows:

V = (2/3)πr³

9103 = (2/3)πr³

r³ = (3/2) * 9103/π

\(r = (3/2 * 9103/\pi )^{(1/3)}\)

The diameter of the hemisphere is twice the radius, so:

diameter = 2r = 2 * \((3/2 * 9103/\pi )^{(1/3)}\) ≈ 23.9 cm

Therefore, the diameter of the hemisphere to the nearest tenth of a centimeter is 23.9 cm.

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Answer:

a) 2.5 x 10^5

b) 8.1 x 10^4

c) 9.06 x 10^8

d) 1.034 x 10^10

The Tower of Hanoi is a mathematical puzzle involving three rods and a series of disks that must be moved to a different rod in a specific order.

The Tower of Hanoi is a classic mathematical puzzle that consists of three rods and a series of disks of different sizes, which can slide onto any rod. The puzzle starts with the disks in a neat stack in ascending order of size on one rod, the smallest at the top, thus making a conical shape.

The objective of the puzzle is to move the entire stack to another rod, obeying the following simple rules: Only one disk can be moved at a time. Each move consists of taking the upper disk from one of the stacks and placing it on top of another stack or on an empty rod. No disk may be placed on top of a smaller disk. It is a mathematical problem that can be solved using recursive function.

It is a great problem to understand the recursive function, backtracking and also it's used for teaching about problem-solving and algorithms.

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the part of it is c because of the quizz

Answer:  1  1/2

You can write this as 1 & 1/2

The whole part is 1. The fractional part is 1/2

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Explanation:

Let's say we had 18 cookies to hand out to 12 students.

How many cookies does each student get?

Using a calculator shows that 18/12 = 1.5 which means they get one whole cookie each

The leftovers is 18-12 = 6

Then notice how 6/12 = 1/2

So that's how the improper fraction 18/12 becomes the mixed number 1 & 1/2

So each student gets 1 full cookie, plus half a cookie.

------------------

Or we could do the problem like this

18/12 = (12+6)/12

18/12 = (12/12)+(6/12)

18/12 = 1 + (1/2)

18/12 = 1 & 1/2

Answer:

2500m

Step-by-step explanation:

300- 1 minute

400- 2 minute

500- 3 minute

600 - 4 minute

700 - 5 minute

total: 2500m

Answer:

6

Step-by-step explanation:

2 × (3^6 × 3^-5) = 6

Answer:

6

Step-by-step explanation:

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Thanks.

Answer:

$84.60

Step-by-step explanation:

$84.60 is what david will earn in 9 hours becuz 9.40 times 9 is 84 dollars and 60 cents

The volume of a sphere with a radius of 7 cm (or diameter of 12 cm) is 904.32 cubic centimeters.

To find the volume of a sphere with a radius of 7 cm, we can use the formula:

V = (4/3) * π * r^3

where V represents the volume and r represents the radius. However, you mentioned that the diameter of the sphere is 12 cm, so we need to adjust the radius accordingly.

The diameter of a sphere is twice the radius, so the radius of this sphere is 12 cm / 2 = 6 cm. Now we can calculate the volume using the formula:

V = (4/3) * π * (6 cm)^3

V = (4/3) * 3.14 * (6 cm)^3

V = (4/3) * 3.14 * 216 cm^3

V = 904.32 cm^3

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Answer:

let ABC be a right-angled triangle, where A is the right angle (left to right)

the original coordinates:

A (-8, 8)

B (-1, 8)

C (-8, 5)

by changing the coordinates from (x, y) to (-y, x)

A (-8, -8)

B (-8, -1)

C (-5, -8)

look attachment

Answer:

C=5/9F−5/9(32)

you can see the slope of the graph is 5/9, which means that for an increase of 1 degree Fahrenheit, the increase is 5/9 of 1 degree Celsius. Therefore, statement I is true.

This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 9/5 degrees Fahrenheit. Since 95 = 1.8, statement II is true.

On the other hand, statement III is not true, since a temperature increase of 9/5 degrees Fahrenheit, not 5/9 degree Fahrenheit, is equal to a temperature increase of 1 degree Celsius.

The final answer is D.

Answer: -10/6

Step-by-step explanation:

Using the Slope Formula which is, \(\frac{y_{2} -y_1}{x_2-x_1}\) you can substitute the numbers. This leads to \(\frac{-1 -9}{-1-(-7)}\) which will get you, \(\frac{-10}{6}\).