33 1/3 % of what number is21?

Answers

Answer 1

Answer:

33 1/3% of 21 is 63.64$ or rounded to the nearest whole number it is 64%

Step-by-step explanation:

I just solved


Related Questions

Solve for x. Round to the nearest tenth of a degree, if necessary.

Answers

By using a trigonometric relation, we will see that the value of x is 60.57°

How to find the value of x?

On the image, we can see a right triangle where x represents one of the angles.

We can see that the length of the two catheti are shown, such that the adjacent cathetus is 2.2, and the opposite cathetus is 3.9, then we can use the trigonometric relation:

tan(a) = (opposite cathetus)/(adjacent cathetus)

Then we can write:

tan(x) = 3.9/2.2

Using the inverse tangent function in both sides, we will get:

Atan( tan(x)) = Atan(3.9/2.2)

x = Atan(3.9/2.2) = 60.57°

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A rock climber climbs at a rate of 720 feet per hour. Write and solve an equation to find the number of minutes
m it takes for the rock climber to climb 288 feet.
An equation that represents this situation is

Answers

The equation is y=12x.

It takes 24 minutes for the rock climber to get to 288 feet.

The calculation is as follows:

here we know that

One hour = 60 minutes

so, by dividing 720 from 60 we get 12

here we assume  the time in minutes be x

So, the equation is

y = 12x

288=12x

288/12 = 12x/12

24 = x

solve for x. Round to the nearest tenth. with the numbers x , 17 , and 9.

Answers

The value of x is 14.4 to the nearest tenth.

What is Pythagoras theorem?

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem.

Given:

The triangle is a right-angled triangle.

Hypotenuse = 17 unit

Base = 9 unit

And perpendicular = x unit

Using Pythagoras' theorem,

Perpendicular = √{(hypotenuse)² - (base)²}

Perpendicular = √{(17)² - (9)²}

Perpendicular = √{289 - 81}

Perpendicular = √208

Perpendicular = 14.422

Perpendicular = 14.4 to the nearest tenth.

Therefore, the value of x is 14.4

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The complete question is given in the attached image.

Every week day, your mom drives 3 miles to drop you off at school, 4 miles to drop your sibling off, then 6 miles home. She also does this every afternoon. How many miles does that make every week (Monday-Friday)?

Answers

Answer:

130 miles every week

Step-by-step explanation:

3 + 4 + 6

= 13

13 x 2

= 26

26 x 5

= 130

130 miles every week

Your welcome

The length of the hypothesis of an isosceles right triangle is 8. Find the perimeter of the triangle with a picture​

Answers

An isosceles right triangle has a perimeter of 16 square centimeters since the hypotenuse is 8 length.

what is perimeter ?

A boundary is a closed path that surrounds, delimits, or includes a two-dimensional shape or a one-dimensional length. The outermost part of a circle or an ellipse is called the perimeter. The perimeter calculation has numerous real-world applications. A shape's perimeter is the measurement of its edge's radius. Discover how to calculate the perimeter by adding together the lengths of the sides of various forms. The perimeter of any shape can be calculated by multiplying its side lengths. An object's perimeter is the region that surrounds it. A good illustration of this at your house is a closed-off garden. Its perimeter is the space encircling something. For a 50 by 50 foot yard, a 200 foot fence will be required.

given

AC (hypotenuse) = 8 cm. ,

AB^2+BC^2 = AC^2

x^2+x^2 = 8^2

2x^2 = 64

x^2= 64/2=32

x = 4.2^1/2 cm.

Perimeter = {8 +4.(2)^1/2+4.(2)^1/2}

= {8+8.(2)^1/2}

=8(1+2^1/2) cm.

Area =( base×altitude)/2= (4.2^1/2×4.2^1/2)/2 = 16sq.cm.

An isosceles right triangle has a perimeter of 16 square centimeters since the hypotenuse is 8 length.

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Brianna surveyed a representative sample of students at her school to collect data about the numbers of Internet-compatible devices they own. Brianna wants to know how many Internet-compatible devices are owned, on average, by people in her town. Can she use her sample data to form a valid inference about the town? Use the drop-down menus to explain your answer.

Brianna
Choose...
use her sample data to form a valid inference about the town because her school
Choose...
represent her town’s entire population.

Answers

I apologize for any confusion. Based on the information given, Brianna cannot use her sample data to form a valid inference about the town because it is not specified that her sample is random or representative of the entire population. Additionally, it is not clear what the population of the town is or how many people live in the town. The question is asking whether or not she can use her sample data to form a valid inference about the town based on the information given in the question. The answer is no, she cannot use her sample data to form a valid inference about the town.

What is the value of |238| + |−28| − |−14|?

224
196
280
252

Answers

Answer:

Step-by-step explanation:the answer is d

Answer:

252 my guy

Step-by-step explanation:

238 after absolute value is 238

-28 after absolute value is 28

-14 after absolute value is 14, but theres a negative infront of the number

therefore:

238+28-14

= 252

A sequence of patterns can also be formed from shapes.Give the next two shapes for the following patterns.​

Answers

Answer:

a 4 by 4 square

a 5 by 5 square

Step-by-step explanation:

The three shapes are

1) a square 1 unit by 1 unit

2) a square 2 units by 2 units

3) a square 3 units by 3 units

The next two shapes are

4) a square 4 units by 4 units

5) a square 5 units by 5 units

Given that A, O & B lie on a straight line segment, evaluate acute ∠COD

Answers

Given the rule of the Angles on a straight line ∠COD is equal to 30°

What is the rationale for the above answer?

Recall that the sum of angles on a straight line is 180°

This means that

3x+94 +x + 18 + 2x-4 = 180°

Let's solve your equation step-by-step.

3x+94+x+18+2x−4=180

Step 1: Simplify both sides of the equation.

3x+94+x+18+2x−4=180

3x+94+x+18+2x+−4=180

(3x+x+2x)+(94+18+−4)=180 (Combine Like Terms)

6x+108 = 180

6x+108=180

Step 2: Subtract 108 from both sides.

6x+108−108=180−108

6x=72

Step 3: Divide both sides by 6.

6x/6 = 72/6

x=12

Since x = 12, therefore,  ∠COD is:

12 +18 = 30°

Thus ∠COD according to the sum of angles on a straight line is = 30°

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Can anybody help me with this math question

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On solving the question Interval notation and set builder notation is x≤ −4 , x≥ -3

What is interval and set builder notation?

This interval notation denotes that this set includes all real numbers between 8 and 12 where 8 is excluded and 12 is included. The set-builder notation is a mathematical notation for describing a set by representing its elements or explaining the properties that its members must satisfy.

We can write the given interval of a set in set builder form by using the required mathematical symbols and assuming a variable in each set. The interval given to us is \[\left( {6,12} \right)\] . Consider a symbol x to describe the element of the set or interval which is followed by a colon (:)

In set theory and its applications to logic, mathematics, and computer science, set-builder notation is a mathematical notation for describing a set by enumerating its elements, or stating the properties that its members must satisfy

Interval notation and set builder notation is x≤ −4 , x≥ -3

nterval notation is a way to describe continuous sets of real numbers by the numbers that bound them. Intervals, when written, look somewhat like ordered pairs. However, they are not meant to denote a specific point. Rather, they are meant to be a shorthand way to write an inequality or system of inequalities

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How do you factor a polynomial with roots?

Answers

Finding the factors of the polynomial expression in the equation and then setting each factor to zero is one way to solve equations.

what are polynomials?

A mathematical expression made up of coefficients and uncertainty that only makes use of additions, subtractions, multiplications, and positive integer powers of variables is known as a polynomial. The formula x2 4x + 7 denotes a single indeterminate x polynomial. An expression in mathematics known as a polynomial is made up of variables (also known as indeterminates) and coefficients that may be added, subtracted, multiplied, and raised to negative integer powers of non-variables. An algebraic statement with variables and coefficients is called a polynomial. An expression can only contain the operations addition, subtraction, multiplication, and non-negative integer exponents. Polynomials are the name for these expressions.

Finding the factors of the polynomial expression in the equation and then setting each factor to zero is one way to solve equations. The same procedure also applies in reverse. In other words, we can identify factors for the expression if we know the root of the function.

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What is the exponential of 8?

Answers

Answer:

2980.95799

Step-by-step explanation:

Need the answer to the problem below.
((3 * 6) ^ 8) ^ 7 =

Answers

Answer:

Here is your answer

((3 * 6) ^ 8) ^ 7 =

(18 ^ 8) ^ 7 =

11019960576 ^ 7 = 19736052228807988194997231645899399052500495522364054175325333567307776

Step-by-step explanation:

If 2 1/4 + y= 5 3/4, what does y equal?

Answers

Answer:

y= 3 2/4

Step-by-step explanation:

2 1/4 + 3 2/4 = 5 3/4

Answer: y= 7/2 = 3 1/2 = 3.5

Step-by-step explanation:

2 1/4 +y=5 3/4

Multiply both sides of the equation by 4.

2×4+1+4y=5×4+3

Multiply 2 and 4 to get 8.

8+1+4y=5×4+3

Add 8 and 1 to get 9.

9+4y=5×4+3

Multiply 5 and 4 to get 20.

9+4y=20+3

Add 20 and 3 to get 23.

9+4y=23

Subtract 9 from both sides.

4y=23−9

Subtract 9 from 23 to get 14.

4y=14

Divide both sides by 4.

y= 14/4

Reduce the fraction 14/4 to lowest terms by extracting and canceling out 2.

y= 7/2

A company produced 600 parts during first shift. The second shift produced 564 parts.
What is the percent change from first to second shift?

Answers

Reduced by 6%

In the first shift, they purchased 600 parts

the second time they purchased 564 parts

Percent = output/ total* 100

here the second year they purchased a percentage

-> second shift/first shift*100 of the first year

564/600*100 ---> 564/6which gives 94%

so it shows there is a reduction of 100-94 = 6%

As the second shift purchased 94 of them as compared to 100 in the first shift, So by this we can draw the inference that there is a drop of 6%.

Percent is the number out of 100 so here 36 parts are less than in the case of 600 which shows 6%. Moreover, the percentage gives a clear idea in terms of 100 which is more familiar as compared to their figures.

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Use a trigonometric ratio to solve for c. Round to two decimal places as necessary!!
HELP, and can someone explain how to get the answer?

Answers

18 x cosine of 40 degrees = c I think

Of the 24 students in Greg's class 3/8 ride the bus to school. How many students ride the bus (please help its due today)

Answers

Answer:

9 students

Step-by-step explanation:

24×3/8 to get 9 students

Answer:

Step-by-step explanation:

out of 24 students, the amount riding the bus is 192/3  but can be simplified to 64/1. Hope this helps you !

How to convert XY coordinates to latitude and longitude in QGIS?

Answers

To convert XY coordinates to latitude and longitude in QGIS, you can use the "Layer > Save As" option in the main menu and select the "Lat Lon" option in the "CRS" (coordinate reference system) section or use the "Layer > Reproject Layer" option and select the destination CRS from the CRS list.

In QGIS, you can convert XY coordinates (also known as projected coordinates) to latitude and longitude (also known as geographic coordinates) using the "Layer > Save As" option in the main menu.

When you choose this option, a "Save Vector Layer As" dialog box will appear, in which you can select the "Lat Lon" option in the "CRS" (coordinate reference system) section.

Additionally, you can use the "Layer > Reproject Layer" option, if you have already loaded the layer in the map. By using this option you can select the destination CRS (Coordinate Reference System) from the CRS list.

It is important to note that to convert XY coordinates to latitude and longitude, QGIS needs to know the original projected coordinate system of the XY data, so it can accurately convert it to latitude and longitude. This information is called the "CRS" or "coordinate reference system" and is typically included with XY data in the form of a "PRJ" file or a metadata file.

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Do the lengths 18cm 24cm and 30cm form a right triangle?

Answers

It is possible to construct a triangle whose sides are 18 cm 24 cm and 30 cm because the sum of two sides are greater than three sides.

In the given question, we have to check that it is possible to construct a triangle whose sides are 18 cm 24 cm and 30 cm.

The sum of the two sides must always be greater than the third side in order to determine whether or not the given sides may form a triangle.

To check this we firstly add the 18 and 24

18 + 24 > 30

42 > 30

Now we add 18 and 30

18 + 30 > 24

48 > 24

Now we add 24 and 30

24 + 30 > 18

54 > 18

It is possible to construct a triangle whose sides are 18 cm 24 cm and 30 cm because the sum of two sides are greater than three sides.

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Which system of linear inequalities does the graph represent?



{y≤2x−1y>−2x+3
{y>2x−1y≤−2x+3
{y<2x−1y≥−2x+3
{y≤2x−1y>2x+

Answers

Answer: The graph represents the system of linear inequalities: {y≤2x−1 y>−2x+3

This can be determined by analyzing the slopes and y-intercepts of the lines represented by the inequalities.

The first inequality, y≤2x−1, represents a line with a slope of 2 and y-intercept of -1. This line will be a solid line because it includes the y=2x-1.

The second inequality, y>−2x+3, represents a line with a slope of -2 and y-intercept of 3. This line will be a dashed line because it does not include the y=-2x+3.

The graph of this system of linear inequalities will be a shaded area that is above the dashed line and below the solid line. This area represents the solution of the system. The other options do not represent the correct system of inequalities.

Step-by-step explanation:

What is the maximum value of this function?

Answers

Answer:

9

Step-by-step explanation:

because the 9 is the highest point

I kinda need the answer asap due today I appreciate your help if you do Ty!

Answers

Step-by-step explanation:

what did your teacher want to achieve by the 2 questions that have the same answer ? or is sea level different from the surface of that body of water ? that information would be missing.

the driver descends 15.2 ft per second =

= 15.2/1 ft/s = 15.2 ft/s

after 4.1 seconds the diver descends 15.2 × 4.1 = 62.32 ft.

so, the diver is at that time 62.32 ft under the surface of that body of water.

if sea level is different to the surface of that body of water, then that difference has to be added (when sea level is higher that the water surface) or subtracted (when sea level is below the water surface) to get the the position below or above sea level.

In 2005 , a laptop computer wa purchaed for $2500. Each year ince, the reale value ha decreaed by 24%. Let t be the number of year ince 2005. Let y be the value of the laptop computer, in dollar. Write an exponential function howing the relationhip between y and t

Answers

The exponential equation y = 2500 * 0.76^t models the relationship between the value of a laptop computer (y) and the number of years since it was purchased (t). It shows that each year the value decreases by 24%.

y = 2500 * 0.76^t

Given:

In 2005, a laptop computer was purchased for $2500.

Each year since then, the real value has decreased by 24%.

Let t be the number of years since 2005.

Let y be the value of the laptop computer, in dollars.

We can model this relationship using an exponential function.

Since the real value has decreased by 24% each year, we can use the equation 1 - 0.24 = 0.76 to represent this.

We can then use this to write the exponential function.

y = 2500 * 0.76^t

This equation shows the relationship between y (the value of the laptop computer) and t (the number of years since 2005). The exponential equation y = 2500 * 0.76^t models the relationship between the value of a laptop computer (y) and the number of years since it was purchased (t). It shows that each year the value decreases by 24%.

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In a class of 20 students, 9 are female and 15 have an A in the class. There are 2 students who are male and do not have an A in the class. What is the probability that a student has an A given that the student is female?

Answers

Answer:

The probability that a student has an A given that the student is female is 8/9.

Step-by-step explanation:

We know that:

P(B) = 9/20 (the probability that a student is female)

P(A and B) = 8/20 (the probability that a student is female and has an A in the class)

We can use the formula:

P(A|B) = P(A and B) / P(B)

So, P(A|B) = 8/20 / 9/20 = 8/9

Julie has 15 nails. she uses 8 to build a birdhouse she subtracts to find the number of nails left. which addition sentence can she use to check her work

Answers

Answer:A

Step-by-step explanation:

.

3) Mr. Kelly, Mr. Brust and Mr. Sullivan all met by one common interest, THE BOBSLED! In fact they were pretty darn
good. In fact they were just one-thousandth of second from qualifying for the medals at the 1998 Nagano, Japan Winter
Olympics. While bobsledding they had to maintain a balance in terms of weight. The weight of the bobsled combined
with the weight of the three men couldn't be over 1200 pounds.

a) Make an inequality where x represents the weight of the bobsled and y represents the weight of the three men.

b) If the bobsled weighed 480 pounds what are all the possible weights of the three men combined?

c) Could the bobsled weigh 520 pounds and the men weigh 685 pounds? Why or why not?

Answers

Create an inequality where x represents the weight of the bobsled and y represents the weight of the three men. Graph the inequality below. Include proper labeling on each axis, units and shading.

How do you graph inequalities ?To graph an inequality, treat the <, ≤, >, or ≥ sign as an = sign, and graph the equation. If the inequality is < or >, graph the equation as a dotted line. If the inequality is ≤ or ≥, graph the equation as a solid line.To plot an inequality, such as x>3, on a number line, first draw a circle over the number (e.g., 3). Then if the sign includes equal to (≥ or ≤), fill in the circle. If the sign does not include equal to (> or <), leave the circle unfilled inWhen solving an inequality: • you can add the same quantity to each side • you can subtract the same quantity from each side • you can multiply or divide each side by the same positive quantity If you multiply or divide each side by a negative quantity, the inequality symbol must be reversed.

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Evaluate the expression, use calculator if needed.

Answers

Answer:

1/128 or 0.0078125, round as needed

Step-by-step explanation:

✨calculator✨

A group of 25 employee want to go out for a group dinner. 18 employee want to go to Retaurant A. 7 employee want to go to Retaurant B

Answers

The percentage of employees in Restaurant B is 28%

The term percentage in math is known as a relative value indicating hundredth parts of any quantity.

Here we have given that a group of 25 employees want to go out for a group dinner. And here we have also given the 18 employees want to go to Restaurant A and 7 employees want to go to Restaurant B.

Here let us consider that x be the percentage of employees works on Restaurant B.

Then the value of x is calculated as,

=> 7/25 x 100

=> 0.28 x 100

Therefore, the percentage of employees is 28%.

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What is the equation of a line that passes through the points (10,4) and (20,8)? Write the equation in proper slope-intercept form.

Answers

Answer:

what is the difference between 880 and 580

What is the slope y =- 6?

Answers

The slope of the given expression is calculated using slope-intercept form. And the answer is 0.

How steep a line is or how much y climbs as x rises is determined by its slope. Slope compares changes to the y-axis, or the vertical axis, with changes to the x-axis, or the horizontal axis. The ratio of any two y values to any two x values can be used to calculate it.

By slope intercept, the standard equation is written as y=mx+b. Here, b is considered as the y-intercept, and m is considered as the slope. Then, the slope is calculated by comparing the given expression with this.

From the given expression, y = -6, we can tell the value of x is zero, the slope is also zero, and the y-intercept b is -6. Therefore, the required answer is 0.

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