The table below shows the snowfall in a north eastern city in inches for the first week in January.find the aver Rate of change in the number of inches of snowfall from January 8 to January 11

Answers

Answer 1

The average rate of change in the number of inches of snowfall from January 8 to January 11 include the following: A. 2/3 in.

What is the rate of change?

In Mathematics, the rate of change is sometimes referred to as slope or gradient and it can be calculated by using this formula;

Rate of change, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Rate of change, m = (y₂ - y₁)/(x₂ - x₁)

Next, we would determine the rate of change of the value of snowfall (y) with respect to the date (x), which represents a line that is passing through the data points (8, 10) and (11, 12):

Rate of change, m = (12 - 10)/(11 - 8)

Rate of change, m = 2/3.

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Complete Question:

Find the average rate of change in the number of inches of snowfall from January 8 to January 11.

Choose: 2/3 in. 2 in. 3 in. 6 in.

The Table Below Shows The Snowfall In A North Eastern City In Inches For The First Week In January.find

Related Questions

Find the domain and range.

Answers

Answer:

Domain: x ≥ 4

Range: y ≥ 6

Step-by-step explanation:

The domain is four and the range is six ref weve

A line passes through the points (0,5) and (1,9). What is its equation in the slope-intercept form

Answers

The equation of the line in slope intercept form is  y = 4x + 5.

How to represent equation of a line?

The equation of line can be represented in slope intercept form as follows:

y = mx + b

where

m = slope of the lineb = y-intercept

A line passes through the points (0, 5) and (1,9).  The slope of the line can be found as follows;

m = slope = 9 - 5 / 1 - 0

m = 4 / 1

m = 4

Hence, let' find the y-intercept of the equation using (0, 5).

y = 4x + b

5 = 4(0) + b

b = 5

Therefore, the equation of the line is y = 4x + 5.

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In the diagram below, QR is parallel to NO. If the length of NO is the same as the length of QP, NP=21, and QR=10, find the length of QP. Figures are not necessarily drawn to scale. State your answer in the simplest radical form, if necessary.

Answers

Using properties of Similar triangles, The measure of QP is 14.49.

Triangles with the same shape but different sizes are said to be similar triangles. Squares with any side length and all equilateral triangles are examples of related objects. In other words, if two triangles are similar, their corresponding sides are proportionately equal and their corresponding angles are congruent.

Similar triangles differ in size but have the same shape. Corresponding angles are identical in similar triangles. Similar triangles have corresponding sides that have the same ratio. The ratio of the square of any two of their corresponding sides to any identical triangle's area is the same.

Given two triangles,

ΔPQR and ΔPNO are Similar,

So, their sides are present in the ratio -

NO / QR = NP / PQ

We are given, QR = 10

NP = 21

On putting the values in the NO / QR = NP / PQ equation,

⇒ NO / 10 = 21 / QP

As NO = QP (given)

We can write as -

QP / 10 = 21 / QP

⇒ QP²  =  10 × 21

⇒ QP²  = 210

⇒ QP = 14.49

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A radar gun measured the speed of a baseball at 5 miles per hour. If the baseball was going 4.2 miles per hour, what was the percent error in this measurement?

Answers

The percent error is a measure of how accurate a measurement is. It is calculated by taking the difference between the measured value and the true value, dividing that difference by the true value, and then multiplying by 100 to get a percentage.

In this case, the true value of the baseball's speed is 4.2 miles per hour and the measured value is 5 miles per hour. To find the percent error:

(5 - 4.2) / 4.2 * 100 = 0.190476 * 100 = 19.0476%

So the percent error in this measurement is 19.0476%. This means that the measurement was off by 19.0476% from the true value.

Alternatively, we can round it to 19% for ease of interpretation

Therefore, the percent error in this measurement is 19%.

What two numbers multiply to -24 and add 36

Answers

Two numbers are: - 36.65 and 0.655. This can be solved by using the concept of equation.

What is an equation?

An equation is an algebraic expression that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used. For instance, the equation 7x + 14 = 35 consists of the two equations 7x + 14 and 35, which are separated by the 'equal' sign. The point-slope form, standard form, and slope-intercept form are the three main types of linear equations.

By deleting parenthesis and grouping like words, each side of the equation may be made simpler. The changeable item on one side of the equation can be separated using addition or subtraction. To determine the variables, apply divisions or multiplication.

Given that,

two numbers multiply to -24 and add 36.

Let, two numbers are: x and y

Now, xy = -24 ............. (1)

or, y = - 24/x

x + y = 36 .............. (2)

Next, put y = - 24/x in equation no. (2) we get -

x + (-24/x) = 36

or, x² - 24 = 36x

or, x² - 36x - 24 = 0

or, x = -36.65

so, y = (-24/x) = (-24/ - 36.65)

y = 0.655

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What is an XYZ triangle?.

Answers

A formed angle has been created between the two sides. Two of the sides of XYZ are the same length if XY = YZ. It will be an isosceles triangle as a consequence.

An isosceles triangle in geometry is a triangle with two equal-length sides. There are two ways to describe it: either as having precisely two sides of equal length or at least two sides of equal length, with the equilateral triangle being an exception to the second definition. The two sides have come to an agreement.The base of the triangle is the third side of an isosceles triangle, which is not equal to the other two sides.

The two angles are exactly aligned with the equal sides.

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A car is traveling at a speed of 2 feet per second. What is the car's speed in miles per hour? How many miles will the car travel in 3 hours? In your computations, use the fact that mile is equal to feet. Do not round your answers.

Answers

Answer:

Step-by-step explanation:

The car is moving at 1.36 miles per hour. It will travel 4.09 miles in 3 hours. If you drive like this, I would suggest speeding up.

What is the highest decimal value a byte can represent?

Answers

Answer:

255 is the highest decimal value a byte can represent.

Step-by-step explanation:

What equation has many solutions?.

Answers

An equation with infinite solutions has both sides equal.

We know that a solution of an equation is a value that satisfies given equation.

As we know the system of equations has infinitely many solutions if the system of lines are coincident, and if they have the same y-intercept.

In some equations, any value for the variable makes the equation true. This means, an equation has infinitely many solutions.

Consider the equation 5x + 13 = 3x + 13 + 2x

5x + 12 = 5x + 12             .....(combine like terms)

13 = 13                           ........(subtrsct 5x from each side)

As we know 13 = 13 is always true.

To check that above equation has an infinite number of solutions, we try substituting some different values for x

For x = 3

5(3) + 13 = 3(3) + 13 + 2(3)

15 + 13 = 9 + 13 + 6

28 = 28

The statement 28 = 28 is always true. So, x = 3 is a solution.

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what is the probability of selecting a 2 and then a number divisible by 4?

Answers

The probability of selecting a 2 and then a number divisible by 4 will be C. 1/24.

How to calculate the probability?

Probability simply means the chance that a particular thing or event will happen. It is the occurence of likely events. It is simply the area of mathematics that deals with the numerical estimates of the chance that an event will occur

The probability of selecting 2 is 1/6.

The probability of selecting a number divisible by 4 will be 1/4.

The probability of selecting a 2 and then a number divisible by 4 will be:

= 1/6 × 1/4

= 1/24

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Using the formula, Quantity= Percent x Whole, 20 is what percent of 40? 20 = p(40) Find what is p by dividing both sides by 40.

Answers

By using the formula, Quantity = Percent × Whole, 20 is 50% percent of 40.

What is a percentage?

In Mathematics, a percentage can be defined as any number that is expressed as a fraction of hundred (100). This ultimately implies that, a percentage indicates the hundredth parts of any given number.

How to calculate the percentage of a number?

In order to determine the percentage which 20 is of a whole number (40), we would apply the following mathematical expression (formula);

Quantity = percent × whole number

Substituting the given parameters into the percentage and quantity formula, we have the following;

20 = percent × 40

Percent = 20/40

Percent = 0.5

Next, we would multiply the resulting decimal value by 100 as follows;

Percentage = 0.5 × 100

Percentage = 50%.

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A salesperson earns commission on the sales that she makes each month.
• The salesperson earns a 4% commission on the first $4,000 she has in sales.
• The salesperson earns a 6% commission on the amount of her sales that are greater than $4,000.
Part A
This month the salesperson had $9,000 in sales. What amount of commission, in dollars did she earn?
A $485
B $500
$460
$480
Part B
The salesperson earned $670 in commission last month. How much money, in dollars, did she have in sales last month?
Enter your answer in the box.

Answers

A. The answer for part A is $460.

B. The answer for part B is 11,166.67 dollars

What are the Profit and Loss?

A. To find the commission earned on the first $4,000 in sales, we can multiply $4,000 by 4% which is (4,000 * 0.04) = 160 dollars

To find the commission earned on the remaining amount of sales above $4,000, we can subtract $4,000 from $9,000 to find the amount of sales above $4,000 which is (9,000 - 4,000) = 5,000

then we can multiply $5,000 by 6% which is (5,000 * 0.06) = 300 dollars

So the total commission earned is 160 + 300 = 460 dollars.

So the answer for part A is $460.

B. To find the amount of money in sales, we can use the commission formula: commission = (sales * rate)

The commission rate for sales above $4,000 is 6% and the commission earned is $670.

So, we can set up the equation as : 670 = (sales * 0.06)

We can solve this equation to find the value of sales by dividing both sides of the equation by 0.06

sales = 670 / 0.06

sales = 11,166.67

So the answer for part B is 11,166.67 dollars.

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Subtract (2x - 2y) from the sum of (10x - 2y) and (-3y)

Answers

The value of (10x - 2y) + (-3y) - (2x-2y) is 8x-3y (option A)

What is subtraction?

In math, to subtract means to take away from a group or a number of things. When we subtract, the number of things in the group reduces or becomes less. The minuend, subtrahend, and difference are parts of a subtraction problem.

For example, if 5 mangoes were taken from a basket filled with 20 mangoes, the number of mangoes left in the basket is calculated by subtracting 5 from 20 i.e 20-5 = 15 mangoes.

(10x-2y) + (- 3y) - (2x-2y)

10x +2y -3y-2x +2y

collect like terms

10x -2x+2y-3y-2y

8x-3y

= 8x - 3y

Therefore the value of Subtracting (2x - 2y) from the sum of (10x - 2y) and (-3y) is 8x+3y

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What is the definition of the sine ratio in a right triangle?.

Answers

The ratio of the side of a right-angled triangle opposite to a specified angle to the hypotenuse; when expressed as a real number between 0 and 1, it defines the sine of the angle.

What is the sine ratio in a right triangle?.

Whenever the ratio is found by using the opposite side and the hypotenuse, we call it sine ratio.

We then say that sine 45 degrees is equal to 0.707. In short, we can use the symbol sin instead of sine and write sin (45 degrees) = 0.707

In general, sine of angle A =   length of leg opposite angle A / hypotenuse

sin(A) =   opposite/hypotenuse

In a right triangle, the sine of an angle is the ratio of the length of the opposite side divided by the length of the hypotenuse.

The ratio of the side of a right-angled triangle opposite to a specified angle to the hypotenuse; when expressed as a real number between 0 and 1, it defines the sine of the angle.

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What is the gradient of y =- 3x 6?.

Answers

The gradient is −3 and the y-intercept is 6.

The gradient of a function is defined to be a vector field. Generally, the gradient of a function can be found by applying the vector operator to the scalar function. (∇f (x, y)).

This kind of vector field is known as the gradient vector field. Now, let us learn the gradient of a function in the two dimensions and three dimensions.

The gradient should take a scalar function (i.e., f(x, y) and produces the vector function (∇ f).

The vector ∇f(x, y) should lie in the plane.

The gradient of a function can be found by applying the vector operator to the scalar function. I.e., ∇f (x, y).

y+3x=6

Rearrange the equation to the slope-intercept form,

y=mx +b,

where ,

m is the slope and b is the y-intercept.

Subtract 3x from both sides.

y=−3x+6

The gradient is −3 and the y-intercept is 6.

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how to find the vertex

Answers

it’s been a while since i’ve done this but i believe your vertex is -1, -4

Please answer this. Thank you! :)

Answers

Protein of [tex]125 g[/tex] Yoghurt A is [tex]6,5 g[/tex]

Protein of [tex]150 g[/tex] Yoghurt B is [tex]4,0 g[/tex]

How many grams of protein are provided by [tex]100 g[/tex] of yoghurt A?

First, find the ratio of the weight of the yogurt A

[tex]125 g : 100 g[/tex]

125 and 100 have the same factor is 25. then divide both numbers by 25 to simplify it.

[tex]\frac{125}{25}:\frac{100}{25} =5:4[/tex]

Find grams of protein are provided by [tex]100 g[/tex] of yoghurt A use comparison [tex]5:4[/tex]

[tex]\frac{4}{5}(4)=\frac{16}{5}=3,2 g[/tex]

[tex]3,2g[/tex] of protein are provided by [tex]100 g[/tex] of yoghurt A.

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How do you write 1 more than a number?.

Answers

To write 1 more than a number, we use the mathematical operation of addition and the notation 1 + Number = N+1.

To write 1 more than a number, we need to use the mathematical operation of addition. Addition is the process of combining two or more numbers to find the total or sum.

In this case, we are given the number 1 and we are asked to find the number that is 1 more than it. To do this, we can use the mathematical notation: 1 + Number = N+1.

This notation means that we are adding 1 to a number, which results in N+1. The "+" symbol is the addition operator and it is used to indicate that we are performing an addition operation. The "=" symbol is used to indicate that the result of the addition is N+1.

Another way to write 1 more than a number is to use the phrase "1 plus a number". This phrase indicates that we are adding 1 to a number to get N+1.

Therefore, In short, to write 1 more than a number, we use the mathematical operation of addition and the notation 1 + Number = N+1. This means that we are adding 1 to a number, resulting in N+1. It can also be written as "1 plus N", indicating the same operation.

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A waiting room is 2/3 for 136 people are seated how many people are in the waiting room when it is 1/2 full

Answers

The number of people in the waiting room is 102.

How many people are in the waiting room?

A fraction is a quantity that is a non-integer. In maths, a fraction usually has a numerator and a denominator. The numerator is the number above. While the denominator is the number below. An example of a fraction is 2/3.  

The first step is to determine the total number of people in the waiting room. To do this, divide 136 by 2/3.

Number of people in the waiting room = 136 ÷ 2/3

= 136 x 3/2 = 204

Number of people in the waiting room if it is half full = total number of people in the waiting room x 1/2

204 x 1/2 = 102

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Complete each congruency statement, and name the rule used.
If you cannot show the triangles are congruent from the given information, leave the triangle's name blank and write CNBD for "CanNot Be Determined" in place of the rule.
△SAT ≅ △____ by ____
A
O
S
T

Answers

The triangles SAT and SAO are congruent by the Side-Angle-Side (SAS) congruence theorem.

What is the Side-Angle-Side congruence theorem?

The Side-Angle-Side congruence theorem states that if any of the two sides on a triangle are the same, along with the angle between them, then the two triangles are congruent.

For the triangles SAT and SAO in this problem, we have that:

Angles ASO and AST are the sime.Side SA is common to both triangles, hence the same.Sides ST and SO are the same.

The common angle are between the common sides, hence the SAS congruence theorem was used to determine the congruence of the two triangles.

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Which point represents the ordered pair (2, -4)?

Responses

A

B

C

D

Answers

The answer is option B

Hey um can somone help me out please i dont know what is correct and wrong ​

Answers

1. David B. is correct, while Issac N. is wrong. David B. correctly only distributed the 3 to the numbers in the parentheses, while Issac N. distributed the 3 to the x outside of the parentheses. The x wasn’t inside the parentheses, which means the x shouldn’t have been multiplied by the 3.

2. Calculator Boy is correct, while Mathy Girl is wrong. After Calculator Boy distributed the 2, he correctly calculated that the 8x could not be subtracted by the “-6 -7”. It left his equation with “8x -13” as the -6 and -7 would combine. Mathy Girl distributed correctly as well, however, she wrote that you could subtract the “-6” from the “8x” which cannot happen. The -6 does not have a variable (x), so it cannot subtract from the “8x”.

I apologize if the explanation is a bit confusing… comment if you would like extra help and I can try to explain it differently!

Mr. Johnson is going to buy an 1834 18 3 4 pound turkey for Thanksgiving. The turkey costs $2.95 $ 2.95 per pound at the grocery store. Which is the closest estimate to total cost of Mr. Johnson's turkey (before taxes)?

Answers

Answer:

The closest estimate to the total cost of Mr. Johnson's turkey (before taxes) is $54.67.

Step-by-step explanation:

You can calculate this by multiplying the weight of the turkey (18 3/4 pounds) by the price per pound ($2.95).

(18 3/4) * ($2.95) = 54.67

A survey stopped men and women at random to ask them where they purchased groceries, at a local grocery store or online.


Answers

The percentage of the people that surveyed shop at a local grocery store is 57%.

How to find the percentage?The total number of respondents = 76

        The number of people who buy at the local grocery store = 43

        The percentage  [tex]=\frac{43}{76} \\\\[/tex]

                                     = 0.5657 * 100%

                                     = 57 %

A figure or ratio that reflects a fraction of 100 is known as a percentage in mathematics. In addition to ratios, fractions, and decimals, it is one of the ways to depict a dimensionless connection between two numbers. The symbol "%" is frequently written after the number to indicate percentages. Adding "percent" or "pct" after the number can also be used to indicate them. The formula for calculating the percentage difference between two values is to divide the absolute value of the difference between two numbers by their average.

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The average of a list of 4 numbers is 85. A new list of 4 numbers has the same first 3
numbers as the original list, but the fourth number in the original list is 105, and the
fourth number in the new list is 115. What is the average of this new list of numbers?

Answers

According to the solving  the average of this new list of numbers is 60.

What is the average in math?

The average is defined as the mean value which is equal to the ratio of the sum of the number of a given set of values to the total number of values present in the set.

According to the given information:

The sum of the original list's four numbers, whose average is 90, is as follows:

4 × 85 = 232

Since 80 is the fourth number inside the original list, the first three numbers in the original list add up to:

232 − 105 = 127

The total of these updated first 3 numbers is also: if the first 3 numbers inside the new list are the same as those in the old list:

127

The total of the first four numbers with in new list, if the fourth number is 96, is:

127 + 115 = 242

As a result, the new list of four numbers' average is:

242 ÷ 4 = 60

According to the solving  the average of this new list of numbers is 60.

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Re-write the quadratic function below in Standard Form
-(x-3)(x+7)

Answers

Answer:

[tex]-x^{2}[/tex] -4x + 21

Step-by-step explanation:

-(x-3)(x+7)

(-x + 3) ( x + 7)

[tex]-x^{2}[/tex] - 7x + 3x + 21

[tex]-x^{2}[/tex] -4x + 21

simplify: -3 | -2 | + 4 | - 5 |

Answers

Step-by-step explanation:

the absolute value always generates the positive value of the argument, no matter what the sign of the argument is.

+ stays +

- turns to +

so, we actually have

-3×2 + 4×5 = -6 + 20 = 14

) A plan of a play boat is drawn to a scale of 1: 20. If the actual area of the base of the boat is 0.64m², calculate the area on the map in square centimeters.​

Answers

The area on the map in square centimetres is 64 cm².

The scale of the plan is 1:20, meaning that for every 1 unit of measurement on the plan, the corresponding measurement on the actual boat is 20 units.

If the actual area of the base of the boat is 0.64 m², then the area on the map will be:

(0.64 m²) * (1/20)² = 0.0064 m²

To convert this to square centimetres, we multiply by 10,000 (since 1 m² = 10,000 cm²):

0.0064 m² * 10,000 = 64 cm²

Therefore, the area on the map in square centimetres is 64 cm².

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Answer:

16 cm²

Step-by-step explanation:

The scale of the map indicates the ratio of the linear dimensions of the map to the actual ones. Then the area of the map will correlate with the actual one, as with a scale square:

S map = S actual * (1:20)²

S map = 0.64 m² * 1/400

S map = 0.0016 m²

But we know that 1 meter contains 100 cm, so 1 m² = 10,000 cm². Then:

0.0016 m² * 10000 = 16 cm²

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A store has a 25% discount now the cost is 34.50 what was the original price of the item

Answers

Answer:

$46

Step-by-step explanation:

We already have our first value of 34.5 and the second value of 75. Let's assume the unknown value is Y which answer we will find out.

As we have all the required values we need, Now we can put them in a simple mathematical formula as below:

STEP 1

34.5 = 75% × Y

STEP 2

[tex]34.5 = \frac{75}{100} *Y[/tex]

Multiplying both sides by 100 and dividing both sides of the equation by 75 we will arrive at:

STEP 3

[tex]Y = 34.5 *\frac{100}{75}[/tex]

STEP 4

Y = 34.5 × 100 ÷ 75

STEP 5

Y=46

Answer:

The original price is 46

Step-by-step explanation:

The x be the original price of the item.

The discount is 25%

x - .25x = 34.50

.75x = 34.50

Divide each side by .75

x = 34.50/.75

x = 46

The original price is 46

A buffet offers a container of pulled pork. One customer eats 1/2 pound of pulled pork. A second customer eats 3/4 pound of pulled pork. If the container of pulled pork now has 1 4/8 pounds, how much pulled pork was in the container originally?

Answers

It would be 2 3/4 lbs.
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