I thought of a number, multiplied it by 2 1/2, divided the result by 1 1/5, subtracted 7/18 from it, and got 1 5/6. What was my number?

Answers

Answer 1
1 and 1/15

Work backwards, so add 7/18 to 1 5/6 first (I'm gonna add them in improper fraction form to make it easier) and you get 40/18 which is 20/9
Then multiply by 1 1/5 (or 6/5) to get 120/45 which simplifies to 8/3
Then divide by 2 1/2, or 5/2, which means you multiply by the reciprocal (2/5)
8/3 times 2/5 equals 16/15 or 1 1/15
Answer 2

Answer:

1 1/15

Step-by-step explanation:

Thanks to leafdapple18


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17

Step-by-step explanation:

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r = 15

Step-by-step explanation:

r + 2 + 2r - 13 = 34

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Answers

Answer:

m∠PQR = 133

Step-by-step explanation:

∠PQR and ∠RQS are supplementary angles, meaning they have a sum of 180°.

3x - 5 + x + 1 = 180

4x - 4 = 180

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find the compound interest
on Rs 4000 for 30 months at 10% per annum​

Answers

Answer:

Rs. 1076.23

Step-by-step explanation:

The compound interest is given by the formula;

A=P(1+r/n  )^nt

where

A= amount at the elapse of the period

P= principal amount = Rs=4000

r=rate of interest=10% =0.1

n=number of times the interest is applied per time period= 1

t=number of time periods elapsed = 30 months = 30/12 = 2.5 years

Applying the formula;

A=P(1+r/n  )^nt

A=4000( 1+ 0.1/1)^1*2.5

A=4000(1.1)^2.5

A=4000 * 1.2691

A=Rs. 5076.24

Compound interest  will be : 5076.24-4000 = Rs. 1076.23

A stem and leaf plot shows the number of kilometers walked for charity. The plot is titled 'Kilometers Walked for Charity.' The numbers 12, 13, 14, 15, 16, and 17 are in a vertical column to the left of a vertical line. · On the same line as 12 but on the right of the vertical line are the numbers 3, 3, 6, 7, 9, and 9. · On the same line as 13 but on the right of the vertical line are the numbers 1, 1, 4, 5, and 5. · On the same line as 14 but on the right of the vertical line are the numbers 0, 0, 2, 3, 3, 8, 8, and 9. · On the same line as 15 but on the right of the vertical line are the numbers 2, 2, 2, 2, 2, 3, 5, 5, and 7. · On the same line as 16 but on the right of the vertical line are the numbers 4, 5, 5, 9, and 9. · On the same line as 17 but on the right of the vertical line are the numbers 3 and 5. The key to the stem and leaf plot identifies that 12 vertical line 3 means 12.3. a. Describe how to find the range of the data set. b. Find the range.

Answers

Answer:

For part A: Range is difference between the highest value and lowest value of the data set.

For part B: Range is 5.2

Step-by-step explanation:

For part A:

Range of a data set is difference between the highest value and lowest value of the data set.

For part B:

From stem and leaf and it's key ,we can write our data set as

12.3,12.3,12.612.7,12.9,12.9,13.1,13.1,13.4,13.5,13.5,14.0,14.0,14.2,14.3,14.3,14.8,14.8,14.9,15.2,15.2,15.2,15.2,15.2,15.3,15.5,15.5,15.7,16.4,16.5,16.5,16.9, 16.9, 17.3,17.5.

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Highest value of the data set =17.5

So, range = highest value- lowest value= 17.5-12.3 =5.2

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Answer:

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Answer:

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Step-by-step explanation:

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The value of x is 2yw + y - 1

What is equation?

Equation is the defined as mathematical statements that have a minimum of two terms containing variables or numbers is equal.

What is the function?

The function is defined as mathematics expression defines a relationship between one variable and another variable. When we say that a variable quantity y is a function of a variable quantity x, we indicate that y depends on x and that  value of x determines what value of  y  will be. This relationship can be expressed as follows: y = f (x)

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To determine the value of x

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Subtract 2 from both sides

2x + 2 - 2 = 4wy + 2y - 2

2x = 4wy + 2y - 2

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

got it correct on edge2020

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Answers

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Step-by-step explanation:

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