bri bought a sweater for $7 for a 20% discount what was the original price?​

Answer:

19/4

Step-by-step explanation:

First convert 1 1/4 into a improper fraction:

5/4

Then convert 3 1/2 into a improper fraction:

7/2

Now find the LCM of both denominators:

4

Now multiply the fractions such that the denominators are equal to 4:

5/4 x 1/1 = 5/4

7/2 x 2/2 = 14/4

Now add the numerators:

5 + 14 = 19

Now put the numerator and denominator together to get:

19/4

Answer:

4 3/4

Step-by-step explanation:

1 1/4 +3 1/2 =

5/4 + 7/2=

5/4 + 14/4=

19/4= 4 3/4

Answer:

$152

Step-by-step explanation:

$134 x 3 months = $402

$402 - $250 = $152

Answer: $152

Step-by-step explanation:  134 x 3= 402

402- 250= $152

Answer:

1/3

Step-by-step explanation:

Use the Up/to left or right rule to help you

Find a start point (or the one the gave you (3,2)) and then follow the line to the next point that crosses exactly over where to points cross (where poth x and y would be whole numbers) count how many times the point moved up, then how many time it moved left. Put the first over the second in fraction form and there is your slope.

Answer:

m = 1/3

Step-by-step explanation:

Given two points (x₁, y₁) and (x₂, y₂), the slope m is:

\(m=\frac{y_2-y_1}{x_2-x_1}\)

We are given the points:

(x₁, y₁) = (3, 2)

(x₂, y₂) = (6, 3)

Plug in the points:

    \(m= \frac{3-2}{6-3}\)

    \(m = \frac{1}{3}\)

Step-by-step explanation:

-1/4, -1/5, -1/6, -1/7, -1/8, 1/8, 1/7, 1/6, 1/5, 1/4

Answer:

what are the statements?

Step-by-step explanation:

Answer:

y=6-3×

Step-by-step explanation:

It is the most explainful way to do the work

The area of a 2D form is the amount of space within its perimeter. The lateral area of the right prism is 120 cm².

The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm², m², and so on. To find the area of a square formula or another quadrilateral, multiply its length by its width.

Given the perimeter of the base of the right prism is 20 cm, while the lateral height is 6 cm. Therefore, the lateral area of the right prism is,

Lateral Area of Right Prism = 6cm × 20cm = 120cm²

Hence, the lateral area of the right prism is 120 cm².

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The completing square form of the equation is  \((x+1)^2=-25\).

What is completing square method?

By altering the equation's form so that the left side is a perfect square trinomial, a quadratic equation can be solved using the "Completing the Square" approach. One approach to locating the roots of the given quadratic equation is to complete the square method.

Here the equation \(x^2+2x=-26\)

To completing the square of the equation add 1 on both sides then,

=> \(x^2+2x+1=-26+1\)

=> \(x^2+2.x.1+1^2=-25\)

=> \((x+1)^2=-25\)

Hence the completing square of the equation is  \((x+1)^2=-25\).

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The probability of the commuting time being between 50 and 60 minutes is determined for a train with a uniformly distributed commuting time between 40 and 90 minutes.

In a uniform distribution, the probability density function (PDF) is constant within the range of the distribution. In this case, the commuting time is uniformly distributed between 40 and 90 minutes. The PDF for a uniform distribution is given by:

f(x) = 1 / (b - a)

where 'a' is the lower bound (40 minutes) and 'b' is the upper bound (90 minutes) of the distribution.

To find the probability that the commuting time falls between 50 and 60 minutes, we need to calculate the area under the PDF curve between these two values. Since the PDF is constant within the range, the probability is equal to the width of the range divided by the total width of the distribution.

The width of the range between 50 and 60 minutes is 60 - 50 = 10 minutes. The total width of the distribution is 90 - 40 = 50 minutes.

Therefore, the probability that the commuting time will be between 50 and 60 minutes is:

P(50 ≤ x ≤ 60) = (width of range) / (total width of distribution) = 10 / 50 = 1/5 = 0.2, or 20%.

Thus, there is a 20% probability that the commuting time on this particular train will be between 50 and 60 minutes.

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Answer:

You mean 4/5?

Step-by-step explanation:

To approach this type of problem, you have to make a couple of reasonable assumptions - first, that each worker works at the same pace, and second, that the effort to build each wall is the same.

Next, figure out how much effort is required to build one wall. The effort is measured in “working days”. So, how many days does one worker need to build one wall, or how many workers would be required to build one wall in one day? We can calculate this by dividing the 25 worker days used to build five walls by the number of walls (5). So we need five worker days per wall.

(5 workers) x (5 days) = 25 worker-days;

25 worker days/5 walls = 5 worker days per wall.

With 100 workers, it will take five days to build 100 walls. Each worker will build one wall in 5 days. So it will also take 5 days for all 100 workers to build all 100 walls.

100 x 5 = 500 worker days;

500 worker-days / 100 workers = 5 days (answer)

Answer:

1. Polygons are flat figures formed by a closed polygonal line and its interior. Any plane figure that is made up of “straight sides” is a polygon.

2.A 100-sided polygon is called a hectogon, centagon or 100-gon. In general, any n-sided polygon with over 12 sides is called an n-gon. While there are other conventions for naming polygons with any number of sides, it is most common to use the n-gon form.

Step-by-step explanation:

Answer:

-3

Step-by-step explanation:

If I'm reading the question correctly, the table of data has the answer:

Input Output

 1          3

 2          1

 3          0

 4         -1

 n         -3

Answer:

Option 4: 5x^4 + 6x³- 7x² + 7x

Step-by-step explanation:

Given the following functions:

f(x) = 5x^4 + x³ - 2x² + 4

g(x) = 5x³ - 5x²+ 7x - 4

To solve for f(x) + g(x):

You could simply combine like terms as you normally would in adding or subtracting regular integers. The most important thing to remember is to only combine the terms with the same exponents. I've aligned both functions vertically, according to terms to make is easier to see where to add and subtract.  

   f(x)   = 5x^4  +  1x³  - 2x² + 0x + 4

+ g(x)  = 0x^4  +  5x³ - 5x² + 7x  - 4

           =  5x^4 +  6x³ - 7x² + 7x + 0

Therefore, the correct answer is Option 4: 5x^4 + 6x³ - 7x² + 7x

Please mark my answers as the Brainliest, if you find this helpful :)

Answer:

see photo

Step-by-step explanation:

Plato/Edmentum

A(n) exponent is a symbol or number that indicates the power to which a base is raised.

In mathematics, exponents are used to represent repeated multiplication. The base is the number that is being multiplied, and the exponent tells us how many times the base should be multiplied by itself.

For example, in the expression 2³, the base is 2, and the exponent is 3. This means that 2 is multiplied by itself three times: 2 * 2 * 2, which equals 8.

Exponents allow us to efficiently represent and calculate large numbers or repeated operations. They also play a crucial role in algebra and calculus, where they help in simplifying expressions, solving equations, and describing exponential growth or decay.

In summary, exponents provide a concise and powerful notation for expressing repeated multiplication, enabling efficient calculations and facilitating mathematical operations in various branches of mathematics.

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Actual distance = distance on map x the scale:

3 inches x 15 miles per inch = 45 actual miles.

Answer:

Hello!!! erz here ^^

Explanation:

58-(2c+3)=4(c+5)+c

We first simplify the equation to the form, which is simple to understand  

58-(2c+3)=4(c+5)+c

then Remove the unnecessary parentheses

58-2c-3=4*(c+5)+c

then, Reorder the terms in parentheses

58-2c-3=+(+4c+20)+c

and Remove unnecessary parentheses  (again)

+58-2c-3=+4c+20+c

We move all the terms containing C to the left and all the other terms to the right.  

-2c-4c-1c=+20-58+3

We then simplify the left and right sides of the equation.  

-7c=-35

We divide both sides of the equation by -7 to get C.  

C=5

Hope this helps!! :D

Answer:

density

Step-by-step explanation:

the number of population distributed in a certain area, that is generally in km², is the density.

It can be calculated with the following data: Number of population/km²

Extra information: it obviously is an approximated value, because in certain areas it can be much higher (metropolis, for example, generally have a very high population density, meanwhile in the countryside it can be much lower). Generally, it varies from area to area.

The number of individuals in a population divided by the area that the population takes up is known as the density of the population.

Population density refers to the number of individuals in a population per unit of area. It is a measure of how crowded or dispersed a population is within a given area.

Population density is calculated by dividing the total population of an area by the total land area or water area of that region. The resulting number is often expressed in individuals per square kilometer or square mile, depending on the units of measurement used.

Population density is an important ecological concept because it can affect the ability of a population to survive and thrive within a given area. Populations that are too dense may experience competition for resources, disease outbreaks, and other negative effects.

On the other hand, populations that are too dispersed may have trouble finding mates and maintaining genetic diversity. Population density can also be used to track changes in populations over time, and to inform conservation and management efforts.

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Answer:

13(10) - 5 (6)

130 - 30

= 100

Step-by-step explanation:

You replace the x with 10, and the y with 60 and answer normally

13(30) = 130

5(6) = 30

130 - 30 = 100

Answer:

Jamal washed 10 windows

Step-by-step explanation:

The rate that Jamal washes windows at is $8/1 window

8/1=80/10

I hope this helped

Answer: x < 1

--------------------    

Answer: 90 U.S. dollars

If 60 U.S. dollars represwnt 50 euros, we will add.

80 euros represent 90 dollars because: there are 10 more euros than dollars.

Hope this helps!

Answer: 90

50:60 = 5:6

80:90 = +10

Answer:-3x^2+x+13

Step-by-step explanation:

when you multiply (2x-3)(2+x) first you get 2x^2+x-6

Then, you combine 2x^2+x-6 and the -5x^2+19

From this you should get -3x^2+x+13

Answer:

41

Step-by-step explanation:

Since these numbers are all multiples of 5 we can divide the entire list by 5 to simplify it. This gives us the list 1, 2, 3, ... , 39, 40, 41. Therefore there are 41 numbers in the list.

The sum of all observations divided by the total number of observations yields the arithmetic mean of a set of data.

Only numerical variables—regardless of whether they are discrete or continuous—can be used to determine the mean. Simply dividing the total number of values in a data collection by the sum of all of the values yields it. The computation can be carried out using raw data or data that have been combined into a frequency table.

The sum of all observations divided by the total number of observations yields the arithmetic mean of a set of data.

The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset. It is sometimes referred to as the "average" and is the most widely used central tendency metric.

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Answer:

A Sheila travels 180 miles in 3 hours. At this rate, how far will she travel in 7 hours?

Step-by-step explanation:

\(\frac{180 miles}{3 hours} = \frac{x miles}{7 hours}\)

Answer:

57

Step-by-step explanation:

180 - 123

Answer

the answer is a 6 Term polynomial

Answer:

a number that goes beyond zero e.x. 56

Step-by-step explanation:

Answer:

are any numbers greater than zero. They appear to the right of zero on a number line

Answer:

mean is 3 median is 3 and mode is also 3

Step-by-step explanation:

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Answer:

There are six trigonometric ratios, sine, cosine, tangent, cosecant, secant and cotangent. These six trigonometric ratios are abbreviated as sin, cos, tan, csc, sec, cot. These are referred to as ratios since they can be expressed in terms of the sides of a right-angled triangle for a specific angle θ.

Formulas:

The sine of the angle = the length of the opposite side. the length of the hypotenuse.

The cosine of the angle = the length of the adjacent side. the length of the hypotenuse.

The tangent of the angle = the length of the opposite side. the length of the adjacent side.

Step-by-step explanation: