Vinu collected some stamps. Rahul collected 30 more than Vinu. Shaan collected 20 less than Rahul. Shaan had 150 stamps.

How many stamps did Vinu collect?

Answers

Answer 1

\(\textsf {Let the variables for the people be V, R, and S respectively.}\)

\(\textsf {1) R = V + 30}\)

\(\textsf {2) S = R - 20}\)

\(\textsf {3) S = 150}\)

\(\textsf {Substitute the value of S in Equation 2 :}\)

\(\implies \mathsf {150 = R - 20}\)

\(\implies \textsf {R = 170}\)

\(\textsf {Substitute the value of R in Equation 1 : }\)

\(\implies \textsf {170 = V + 30}\)

\(\implies \mathsf {V = 140}\)

\(\textsf {Therefore, Vinu collected 140 stamps.}\)

Answer 2

Vinu collected some stamps. Rahul collected 30 more than Vinu. Shaan collected 20 less than Rahul. Shaan had 150 stamps..Solving for x, we find that Vinu collected 140 stamps.

To find out how many stamps Vinu collected, we can follow the information given step by step. First, we know that Rahul collected 30 more stamps than Vinu. Let's represent the number of stamps Vinu collected as "x."

Therefore, Rahul collected x + 30 stamps. Next, we are told that Shaan collected 20 less stamps than Rahul. So, the number of stamps Shaan collected can be represented as (x + 30) - 20. We are also given that Shaan had 150 stamps.

Therefore, we can set up the equation: (x + 30) - 20 = 150. To solve this equation, we need to simplify it by combining like terms. (x + 30) - 20 simplifies to x + 10. Now we have the equation x + 10 = 150. To isolate x, we need to subtract 10 from both sides of the equation. Subtracting 10 from both sides gives us x = 140. Therefore, Vinu collected 140 stamps. In summary: - Rahul collected x + 30 stamps. - Shaan collected (x + 30) - 20 stamps. - The equation is (x + 30) - 20 = 150. - Simplifying, we get x + 10 = 150. - Solving for x, we find that Vinu collected 140 stamps.

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Related Questions

You are a space alien. You visit planet Earth and abduct 979797 chickens, 474747 cows, and 777777 humans. Then, you randomly select one Earth creature from your sample to experiment on. Each creature has an equal probability of getting selected. Create a probability model to show how likely you are to select each type of Earth creature. Input your answers as fractions or as decimals rounded to the nearest hundredth. Type of Earth creature Estimated probability Chicken Cow Human

Answers

The estimated probabilities are approximately: Chicken: 0.3904 (or 39.04%), Cow: 0.1899 (or 18.99%), Human: 0.4197 (or 41.97%)

We are given the following information about the number of creatures:

Number of chickens: 979797

Number of cows: 474747

Number of humans: 777777

To find the probability of selecting each type of creature, we need to divide the number of each creature by the total number of creatures in the sample

The total number of creatures is the sum of the number of chickens, cows, and humans: Total number of creatures = Number of chickens + Number of cows + Number of humans

Total number of creatures = 979797 + 474747 + 777777

Total number of creatures = 2233321

Now, we can calculate the probability of selecting each type of creature by dividing the number of each creature by the total number of creatures:

Probability of selecting a chicken = Number of chickens / Total number of creatures

Probability of selecting a cow = Number of cows / Total number of creatures

Probability of selecting a human = Number of humans / Total number of creatures

Substituting the values into the formulas, we get:

Probability of selecting a chicken = 979797 / 2233321 ≈ 0.3904 (rounded to four decimal places)

Probability of selecting a cow = 474747 / 2233321 ≈ 0.1899 (rounded to four decimal places)

Probability of selecting a human = 777777 / 2233321 ≈ 0.4197 (rounded to four decimal places)

Therefore, the estimated probabilities of selecting each type of creature are approximately: Chicken: 0.3904 (or 39.04%), Cow: 0.1899 (or 18.99%), Human: 0.4197 (or 41.97%)

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Please help ASAP!
Write the recurring decimal 0.123 (1 and 3 being the repeated) as a fraction

Answers

Answer:

41/333

Step-by-step explanation:

it is unclear what you mean.

I assume the recurring decimal is

0.123123123123...

with the recurring sequence being 123.

I will base my answer on that assumption.

0.123 would be easy, right ?

that would be

123/1000

but what would be

123/999 ?

the same as

123/1000

but it leaves 123 additional remaining compared to 123/1000.

that adds 0.000123 with an additional 123 remainder. and so on for all eternity.

that is why

123/1000

creates simply 0.123, but

123/999

creates

0.123123123123123...

so, the answer is

123/999 = 41/333

FYI

the length of the recurring sequence defines how many 9s to use in the denominator. and we use the recurring sequence as numerator

if the length is 1, we use one 9.

like 2/9 = 0.222222...

if the length is 2, we use two 9s.

like 34/99 =0.3434343434...

and if the length is 3 (like in our assume case), we use three 9s.

like in 123/999 = 0.123123123123123...

and so on.

17 is 12.5% of what number?

Answers

212.5

17/12.5=212.5

:)

How do you write 6.83 in words?

Answers

Answer:

six point eighty three

Step-by-step explanation:

the sum of two numbers is 495. the one digit of one thte numbers is you cross off the zero the resulting number will eqal the other number what are the numbers

Answers

The two numbers whose sum is 495 and follows the required conditions are 450 and 45.

Let the two numbers be "AB0" and "AB," where A and B are digits, and 0 represents a zero.

The sum of the two numbers is equal to 495.

The last digit of one of the numbers is zero, which means the first number is a multiple of 10, so we can rewrite it as 10x.

If you cross off the zero from the first number, you get the second number, so the second number is AB.

Now, let's substitute the values into the equation:

10x + x = 495

Now, add the like terms, and we get,

11x = 495

Divide both sides by 11, and we get,

x = 495/11

x = 45

And, 45 times 10 is 450.

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The complete question:

The sum of the two numbers is equal to 495.

The last digit of one of them is zero.

If you cross the zero off the first number you will get the second.

What are the numbers?

which ordered pair is a solution of the equation ?

which ordered pair is a solution of the equation ?

Answers

Answer:

neither

Step-by-step explanation:

both answers is not the solution

of the x would be: (74,0)

and from the y is: (0,-7)

Please help me this is my last question

Please help me this is my last question

Answers

Answer:

5.831

Step-by-step explanation:

Pythagoras says RS = √(5²+3²) = √34 ≈ 5.831

Answer:

RS ≈ 5.83 units

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

Here RS is the hypotenuse and the legs have measure 5 and 3, thus

RS² = 5² + 3² = 25 + 9 = 34 ( take the square root of both sides )

RS = \(\sqrt{34}\) ≈ 5.83 ( to 3 significant figures )

Determine whether each of these statements is true or false.a) 0 ∈ ∅ b) ∅∈{0}c) {0}⊂∅ d) ∅⊂{0}e) {0}∈{0} f ) {0}⊂{0}g) {∅} ⊆ {∅}

Answers

a) True, b) False, c) False, d) True, e) False, f) False, g) True

a) The statement is true. The symbol "∅" represents the empty set, which does not contain any elements. Since 0 is not an element of the empty set, the statement "0 ∈ ∅" is false.

b) The statement is false. The symbol "{0}" represents a set containing the element 0. The empty set, represented by "∅", does not contain any elements. Therefore, the empty set is not an element of the set {0}.

c) The statement is false. The symbol "{0}" represents a set containing the element 0. However, the empty set, represented by "∅", does not contain any elements. Therefore, the set {0} is not a subset of the empty set.

d) The statement is true. The empty set, represented by "∅", does not contain any elements. Every set is a subset of the empty set, including the set {0}.

e) The statement is false. The symbol "{0}" represents a set containing the element 0. In this case, {0} is not an element of itself. Therefore, the statement "{0}∈{0}" is false.

f) The statement is false. The symbol "{0}" represents a set containing the element 0. In this case, {0} is not a proper subset of itself. Therefore, the statement "{0}⊂{0}" is false.

g) The statement is true. The symbol "{∅}" represents a set containing the empty set. In this case, {∅} is a subset of itself because it contains the element ∅. Therefore, the statement "{∅} ⊆ {∅}" is true.

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\( \sqrt{18} - \sqrt[x]{2 } = \sqrt{32} \)
solve for x

Answers

the x is 0 There are no values of
x
that make the equation true.
Undefined

How do i solve this paper?
I feel like my answers are gone and i need help.

How do i solve this paper?I feel like my answers are gone and i need help.

Answers

Answer:

you have it correct sir

Step-by-step explanation:

Naming segments, rays, and lines Classify each figure as a line, ray, or line segment. Then, show how to write it. (a) GEOMETRY (b) (c) Explanation A Figure F B D E Check Type line ray line segment O line ray Oline segment line ray line segment How to write it 7 П 8 X 10 10 S ?

Naming segments, rays, and lines Classify each figure as a line, ray, or line segment. Then, show how

Answers

(a) The figure is line Segment

(b)The figure is line.

(c )The figure is ray.

Line segment: An part of a line with two endpoints is called a line segment. Different shapes, including triangles, polygons, hexagons, and squares, are constructed using a variety of line segments. A line segment's length is its measurement.

Line: A line has length but no width, making it a one-dimensional figure. A line is made up of a collection of points that can be stretched indefinitely in opposing directions.

Ray: Ray is a further link in the chain. It consists of a line and a line segment combination with one terminating end and an eternally extending end. Its length cannot be calculated since one of its ends is non-terminating.

Line segment, Line and Ray:

A line segment is a section of a line with two ends that has a quantifiable length. A ray, on the other hand, has only one fixed point (its starting point), but no endpoint. Therefore, its length cannot be determined.A line can be extended on both sides and has no ends. In contrast, a line segment cannot be extended on both sides because it has two endpoints.

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Naming segments, rays, and lines Classify each figure as a line, ray, or line segment. Then, show how
Naming segments, rays, and lines Classify each figure as a line, ray, or line segment. Then, show how
Naming segments, rays, and lines Classify each figure as a line, ray, or line segment. Then, show how

Aaron has 47 m of fencing to build a three-sided fence around a rectangular plot of land that sits on a riverbank. (The fourth side of the enclosure would be the river.) The area of the land is 266 square meters. List each set of possible dimensions (length and width) of the field.

Answers

The possible dimensions (length and width) of the field are:(10 m × 13 m) or (13 m × 10 m) and (11 m × 12 m) or (12 m × 11 m).

Given that Aaron has 47m of fencing to build a three-sided fence around a rectangular plot of land that sits on a riverbank. The fourth side of the enclosure would be the river.

The area of the land is 266 square meters.To find the possible dimensions (length and width) of the field, we can use the given information.The length of fencing required = 47 m.

Since the fence needs to be built on three sides of the rectangular plot, the total length of the sides would be 2l + w = 47.1. When l = 10 and w = 13, we have:

Length of the field, l = 10 m Width of the field, w = 13 mArea of the field = l × w = 10 × 13 = 130 sq. m2. When l = 11 and w = 12,

we have:Length of the field, l = 11 m

Width of the field, w = 12 m

Area of the field = l × w = 11 × 12 = 132 sq. m

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If x= 7 units and h=5 units, then what is the area of the triangle.

A 17.5 square units

B 35 square units

C 52.5 square units •

D. 125 square units

first person gets the brainiest answer.​

Answers

Answer: A 17.5 square units

Step-by-step explanation:

The area of a triangle is Half of the base times the height.

\(A = \frac{bh}{2}\)

\(A = \frac{7*5}{2}\)

A = 35/2

A = 17.5

what are the equivalence classes of the equivalence relations in exercise 1?

Answers

The equivalence classes of the equivalence relations in exercise 1 are the sets of elements that are related to each other under the given equivalence relation.

For example, if the equivalence relation is "x is related to y if x and y have the same remainder when divided by 3," then the equivalence classes would be:

The set of all numbers that have a remainder of 0 when divided by 3, such as 0, 3, 6, 9, etc.

The set of all numbers that have a remainder of 1 when divided by 3, such as 1, 4, 7, 10, etc.
The set of all numbers that have a remainder of 2 when divided by 3, such as 2, 5, 8, 11, etc.

Each of these sets is an equivalence class, and every element in a given equivalence class is related to every other element in that class under the given equivalence relation.

To find the equivalence classes for a given equivalence relation, you can start by picking an element and finding all the other elements that are related to it under the equivalence relation. Then, repeat this process with a different element that is not already in an equivalence class, until all the elements have been placed in an equivalence class.

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Write a function describing the relationship of the given variables. a varies directly with r and when r = 6 , a = 18

Answers

The function describing the relationship of the given variables is a= 6r

How to write a function describing the relationship of the given variables.?

The statement is givn as:

a varies directly with r

This means that

a= kr

Where k is the constant of variation

When r = 6 , a = 18, we have

18= 6k

Divide by 6

k = 3

Substitute k = 3 in a= kr

a= 6r

Hence, the function describing the relationship of the given variables is a= 6r

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I am so confused, I am terrible at math.

I am so confused, I am terrible at math.

Answers

Answer:

D

Step-by-step explanation: when both equations are graphed on the same graph the touch in one place which is (2,1)

The area of a rectangle is 27 it?, and the length of the rectangle is 3 ft less than twice the width. Find the dimensions of the
rectangle

Answers

SOLUTION:
The length of a rectangle is 3 feet less than twice its width and area of rectangle is 27 ft2. Find the dimension

Length= Width= should not be a negative number.

ANSWER 1: W=4.5 ft The width is 4.5 feet.

For each transformation in the table below, indicate which properties are true and false by selecting true or false from the drop down menus in each box

For each transformation in the table below, indicate which properties are true and false by selecting

Answers

Translation, rotation, and reflection are three of the fundamental transformations.

What properties do transformations have?Translation, rotation, and reflection are three of the fundamental transformations.The four main categories of transformations are as follows :Rotation.Translation.Dilation.ReflectionA metamorphosis is a significant alteration in appearance or form. The only change that might provide similarity is dilation.Non-rigid transformations are those that dilate when length and angle measurements are not preserved.Since they maintain length, translation, reflection, and rotation are isometries. Congruency transformations are hence translation, reflection, and rotation.An image that is congruent to the preimage is produced through stiff or isometric transformation.

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A pool supply company sells 50-pound buckets of chlorine tablets. A customer believes that the company may be underfilling the buckets. To investigate, an inspector is hired. The inspector randomly selects 30 of these buckets of chlorine tablets and weighs the contents of each bucket. The sample mean is 49.4 pounds with a standard deviation of 1.2 pounds. The inspector would like to know if this provides convincing evidence that the true mean weight of the chlorine tablets in the 50-pound buckets is less than 50 pounds, so he plans to test the hypotheses H0: μ = 50 versus Ha: μ < 50, where μ = the true mean weight of all 50-pound buckets of chlorine tablets. Are the conditions for inference met?

No, the random condition is not met.
No, the 10% condition is not met.
No, the Normal/large sample condition is not met.
Yes, all conditions for inference are met.

Answers

The answer is: Yes, all conditions for inference are met.

Find the exact values of x and y.

Find the exact values of x and y.

Answers

13 and 13√2 is the value of x and y in the given diagram

Trigonometry identity

The given diagram is a right triangle, we need to determine the value of x and y.

Using the trigonometry identity

tan45 = opposite/adjacent
tan45 = x/13

x = 13tan45
x = 13(1)
x = 13

For the value of y

sin45 = x/y

sin45 = 13/y
y = 13/sin45

y = 13√2
Hence the exact value of x and y from the figure is 13 and 13√2 respectively.

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EVERYTHING IS IN THE PICTURE!

EVERYTHING IS IN THE PICTURE!

Answers

Answer:

The answer is B From my calculations

how to know if a function has a vertical asymptote

Answers

To determine if a function has a vertical asymptote, you need to consider its behavior as the input approaches certain values.

A vertical asymptote occurs when the function approaches positive or negative infinity as the input approaches a specific value. Here's how you can determine if a function has a vertical asymptote:

Check for restrictions in the domain: Look for values of the input variable where the function is undefined or has a division by zero. These can indicate potential vertical asymptotes.

Evaluate the limit as the input approaches the suspected values: Calculate the limit of the function as the input approaches the suspected values from both sides (approaching from the left and right). If the limit approaches positive or negative infinity, a vertical asymptote exists at that value.

For example, if a rational function has a denominator that becomes zero at a certain value, such as x = 2, evaluate the limits of the function as x approaches 2 from the left and right. If the limits are positive or negative infinity, then there is a vertical asymptote at x = 2.

In summary, to determine if a function has a vertical asymptote, check for restrictions in the domain and evaluate the limits as the input approaches suspected values. If the limits approach positive or negative infinity, there is a vertical asymptote at that value.

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i need help on this on a test what is 1/2 times 2/3

Answers

Answer:

1/3

Step-by-step explanation:

1/2 times 2/3 is just 1/3 ( since (1/2)*(2/3) =1/3)

X+5x-36
What is the simplest form of
?
x² - 16
X+ 9
X+4
9
o
X+9
X-4
9
4

Answers

Answer: If you meant (x^2 + 5x - 36)/(x^2-16) then the answer is: (x+9)/(x-4)

Step-by-step explanation:

This is just factoring, you can use guess and check.

If you take just the numerator: x^2+5x-36 and factor. To factor consider -36, and the multiples that can add up to 5 (from 5x).

x^2 + 5x - 36/(x^2-16)

The denominator is actually a rule of (a+b)(a-b) which in this case (x+4)(x-4)

(x+9)(x-4)/(x-4)(x+4)

Now just divide like terms which is the (x-4)/(x-4)=1

(x+9)/(x+4)

Write this fraction in an equation using words: 2/3

Answers

Answer:

two-thirds plus five=five and two-thirds

Step-by-step explanation:

Two divided by three

This relationship leads to the conclusion that there is no Pythagorean triple of this form that contains the integer 2. Why?

This relationship leads to the conclusion that there is no Pythagorean triple of this form that contains

Answers

Answer:

suppose 2^2 + b^2 = c^2 with 2 < b < c (it should be clear that this assumption is fine, 12 + 22 = 5 and sqrt(5) is not an integer; 22 + 22 = 8 and sqrt(8) is not an integer). Then c^2 - 4 = b^2 so (c+2)(c-2) = b^2. As b is prime, this means c-2=b or c-2=1 (since c+2 > 1). So either c=b+2 or c=3. The c=3 case can't happen since that would make b^2 = 5 so we are left with c=b+2. Then we have 4 + b^2 = (b+2)2 = b2 + 4b + 4 meaning that b=0. So there are no triples involving 2.

Step-by-step explanation:

A Pythagorean triple of this form cannot contain integer 2 if we add extra 2x²y² because it will increase the value of the coefficient of xy to 4.

The given function:

\((x^2-y^2) + (2xy)^2 = (x^2 + y^2)^2\)

This function is expanded as follows;

\((x^2-y^2)^2 + (2xy)^2 = (x^2 + y^2)^2\\\\x^4 + y^4 -2x^2y^2 + 4x^2y^2 = x^4 +y^4 + 2x^2y^2\\\\add \ \ (+2x^2y^2) \ to \ both \ sides \\\\x^4 +y^4 +4x^2y^2 = x^4 +y^4 +4x^2y^2\)

In this expanded form of the given function, it is clear that non of the coefficients of x and y contains integer 2 and the supposed coefficient value of xy increase to 4 because of the extra 2x²y² added to the function.

Thus, we can conclude that a Pythagorean triple of this form cannot contain integer 2 if we add extra 2x²y² because it will increase the value of the coefficient of xy to 4.

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someone help and explain

someone help and explain

Answers

We can fill in the boxes to make each equation complete as follows:

1. x³x⁹ = x¹²

2. x⁷/x³ = x⁴

3. 1/x⁻⁵ = x⁵

4. (7b³c⁵)³ = 343b⁹c¹⁵

How to solve the exponents

To solve the exponents as provided above, the rules have to be factored in. One of the rules is that when multiplying exponents of the same base, we simply add their powers together. So, we have the powers of 3 and 9 for the first expression and they add up to 12.

1. x³x⁹ = x³ ⁺ ⁹ = x¹²

For the second expression, the rule of exponents says that when dividing, we will subtract the powers. This gives us x⁴ for the second expression.

2. x⁷/x³ = x⁷ ⁻ ³ = x⁴

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Solve for linear equations by substitution

x + 2y = 6
X-y=3

Answers

Answer:

Let's solve your system by substitution.

x+2y=6;x−y=3

Step: Solvex+2y=6for x:

x+2y=6

x+2y+−2y=6+−2y(Add -2y to both sides)

x=−2y+6

Step: Substitute−2y+6forxinx−y=3:

x−y=3

−2y+6−y=3

−3y+6=3(Simplify both sides of the equation)

−3y+6+−6=3+−6(Add -6 to both sides)

−3y=−3

−3y

−3

=

−3

−3

(Divide both sides by -3)

y=1

Step: Substitute1foryinx=−2y+6:

x=−2y+6

x=(−2)(1)+6

x=4(Simplify both sides of the equation)

Answer:

x=4 and y=1

 

Step-by-step explanation:

Answer:

x=4 and y=1

b) Tyler swam 32 laps in the pool. Kevin swam 3 times as many laps as Tyler. Lets the number of
laps Kevin swam.

Answers

If Tyler did 32 laps and Kevin did 3 times that amount; its quite simple, you would find three times the amount of Tylers laps which is 96.

Answer:

The answer is 96

Step-by-step explanation:

to find the answer you need to multiply 32 by 3 (32 x 3) which equals 96. Or 32 3 times is 96. Hope this helps!

Find m
A. 148
B. 164
C. 116
D. 58

Find mA. 148B. 164C. 116D. 58

Answers

i think the answer is 116
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