a 12 inch candle burns down in 12 hours. at what rate does the candle burns, in inches per hour?​

Answers

Answer 1

Answer:

1 inch per hour because it took 12 hours to burn a 12 inch candle so 1 inch per hour

Answer 2

The candle burns at a rate of 1 inch per hour.

What is a unitary method?

A unitary method is a mathematical way of obtaining the value of a single unit and then deriving any no. of given units by multiplying it with the single unit.

Given, A 12-inch candle burns down in 12 hours.

∴ The rate at which it burns per hour is the total length of the candle divided by the total time it brunt for which is,

= (12/12) inch/hr.

= 1 inch/hr,

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Related Questions

1)Find the cost of fencing a rectangular park of length 175m and breadth 125m at the rate of 12/Rs per metre.
2)Find the cost of fencing a square park of side 250m at the rate of 20/Rs per metre.

Answers

Step-by-step explanation:

Length of rectangular park = 175 m

Breadth of rectangular park = 150 m

Perimeter of park = 2 x (length + breadth)

= 2 x (175 + 150)

= 2 x 325 = 650 m

Since, cost of fencing park per meter = = Rs. 12

Therefore, cost of fencing park of 600 m = 12 x 650 = Rs. 7,800

Square park=250m

Perimeter of the square park x 4

=250x4

=1000m

So, the cost of the fencing at the park would have a rate of 20 per m = 1000x20

=20000

write a translation rule that maps point d(7 -3) onto point d'(2 5)

Answers

Answer:

translate (x,y) (x-5,y+8)

Given that ABCD is a rhombus, what is the value of x?
(3x + 7)
A. 18.25
B. 20.75
C. 30
D. 64
E. 86
F. Cannot be determined

Answers

Answer:

The answer  is

B. 20.75

Answer:b.20.75

Step-by-step explanation:

big brain knowledge

Math Problem will give brainliest! If you say something random i will get you banned.

Answers

Answer: I can’t figure this one out because I’m only in 8th grade.

Step-by-step explanation:

Answer:wh0re

Step-by-step explanation:

Which statement correctly compares the function shown on this graph with the function y= 6x - 1? y 10 8 6 4 2 -10 8 6 4 2 -2 2 4 6 8 10 2 6

A. The function shown on the graph has a greater rate of change and a higher starting point. A

B. The function shown on the graph has a smaller rate of change and a lower starting point.

C. The function shown on the graph has a smaller rate of change, but a higher starting point.

D. The function shown on the graph has a greater rate of change and a lower starting point.​

Answers

Answer:

B. The function shown on the graph has a smaller rate of change and a lower starting point.

Step-by-step explanation:

✍️The function y = 6x - 1, has:

slope (m) = 6, and

Starting point/y-intercept (b) = -1

✍️Let's find the slope (m) and the starting point (y-intercept) of the function shown on the graph:

Using the points, (0, -6) and (2, 4),

Slope = [tex] m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{4 -(-6)}{2 - 0} = \frac{10}{2} = 5 [/tex]

Slope (m) = 5

The strating value is the value of y when x = 0. In order words, it is the point at which the line of the function intercepts the y-axis.

The y-axis is intercepted at y = -6.

Therefore, the starting value (b) = -6.

Therefore, the statement correctly compares the function shown on the graph above with the function y = 6x - 1 is:

B. The function shown on the graph has a smaller rate of change and a lower starting point.

Comparing their slopes, 5 is smaller than 6.

Comparing their starting points, -6 is lower than -1.

Answer:

B

Step-by-step explanation:

Correct on a p e x

i am in need of help

Answers

CAD= BAD
AD=AD( the same side of two angles).

Help pls!?right answer I’ll give you a crown

Answers

Answer:

1.5

Step-by-step explanation:

Ashlee worked 1,944 hours last year. She earned $14 for each hour she worked. She wants to use her earnings to buy a new vehicle. Vehicle Choices Price Sedan $25,750 Convertible $27,990 SUV $29,500 She said, "Since 2,000 × 14 = $28,000, and $27,990 is less than $28,000, I know I have earned enough to buy the convertible." Use the drop-down boxes to explain whether or not Ashlee's conclusion is logical.

Answers

Answer:

See Explanation

Step-by-step explanation:

The options are missing. However, the question is still solvable.

Given

[tex]Work\ Hours = 1944[/tex]

[tex]Earnings = \$14[/tex] per hour

[tex]Estimated\ Earnings = \$28,000[/tex]

[tex]Sedan = \$25,750[/tex]

[tex]Convertible = \$27,990[/tex]

[tex]SUV = \$29,500[/tex]

First, we need to calculate her actual earnings.

This is calculated by multiplying the actual work hours (without approximation) by the earnings per hour

[tex]Total\ Earnings = 1944 * \$14[/tex]

[tex]Total\ Earnings = \$27,216[/tex]

Next, we compare this actual earnings to the amount of a Convertible

[tex]\$27216 < \$27,990[/tex]

Hence, Ashlee's conclusion is not logical because with her actual earnings, she cannot afford a Convertible

How do you get the range?​

Answers

Range are possibly output values (y)

The range is -4

Answer: [-4, 8]

Step-by-step explanation:

The range is the mimimum y-value, the highest y-value.

On the graph, the lowest y-value is -4 and the highest y-value is 8. Thus, when writing in the range form, the range would by [-4, 8].

The range would be in hard brackets because the range touches exactly the points of -4 and 8. If each point had an open circle, instead of a closed point, there would be soft brackets.

So you want to finance a car for $4,840. Let’s say we offer you a 4.5% interest rate on a 2-year loan and 6% on a 5-year loan. Enter this info into the calculator to see your monthly and total cost by loan term.

Answers

Answer:

Totals: 4.5% = 435$ 6% = 1452$, Monthly: 18$, 24$

Step-by-step explanation:

distance parcouru par une balle de famas

Answers

Answer:

4005 mètres de distance.

Step-by-step explanation:

3. The drama club sold 240 tickets to the play. They sold 20 more
student tickets than adult tickets. How many of each type of
ticket did they sell?

Answers

Answer:

100 adult tickets and 140 student tickets

Step-by-step explanation:

Answer:

Sold student tickets: 130, sold adult tickets: 110

Step-by-step explanation:

Let s = number of student tickets sold,

Let a = number of adult tickets sold.

[tex]s = 20+a[/tex] (It is given that there were 20 more student tickets sold than adult tickets)

[tex]s+a=240[/tex] (It is given that the total tickets sold is 240)

[tex]20+a+a = 240[/tex]

[tex]2a=220[/tex]

[tex]a = 110[/tex]

We can use substitution to find the number of student tickets:

[tex]s+a = 240[/tex]

[tex]s + 110 = 240[/tex]

[tex]s = 130[/tex]

∴110 adult tickets and 130 student tickets were sold.

I hope this helps :)

PLS HELP GIVING BRAINIEST

Answers

Answer:

Yes, it is proportional

Step-by-step explanation:

the equation for the table is

x ÷ 28 = y

plug in the numbers for the variables

56 ÷ 28 = 2

84 ÷ 28 = 3

140 ÷ 28 = 5

If Addison types at a constant rate of 2 pages per hour, how many hours will it take to type a paper that is 5 pages long?

Answers

Answer:

The answer is B

Step-by-step explanation:When you do 2 pages an hour, 2 hours is 4 pages, but you dont need an extra whole hour, instead just add a half which is why the answer is 2.5 hours.

7/8 divide 1/4 pls asap

Answers

Answer:

that would be 3.5

Step-by-step explanation:

have a great day (:

Answer: 3 1/2

Step-by-step explanation: The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed. Therefore, a way to solve this problem is by multiplying (7/8 x 4/1) which will give us a final answer or result of 3.5 or 3 1/2.

Graph the line.
y=-4x+4

Answers

Graph the line.

y=-4x+4

Graph the line.

y=-4x+4Graph the line.

y=-4x+4Graph the line.

y=-4x+4Graph the line.

y=-4x+4Graph the line.

y=-4x+4

Evaluate f(x) = x2 – 12 when x = 5

Answers

Answer:

f(5) = 13

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Function notation and substitution

Step-by-step explanation:

Step 1: Define

f(x) = x² - 12

x = 5

Step 2: Evaluate

Substitute:                   f(5) = 5² - 12Exponents:                  f(5) = 25 - 12Subtract:                      f(5) = 13

Answer:

13

Step-by-step explanation:

replace the x with 5.

5^2-12=

25-12=13

Will Mark Brilliant!
Find the median of the data set.
88.6 87.8 85.3 89.3 86.8 88.3 85.9 89.0 87.4

-87.8
-87.3
-87.4
-87.6

Answers

Answer:

87.8

Step-by-step explanation:

I assume you know how to do this so I didn't show any steps. Have a nice night. :)

Answer

Quiz: Measures of Center

I got one wrong, so use at discretion

Step-by-step explanation: I took the test

1. 87.8

2. 6,060

3. 36

4. 312

5. 4.41 and 45.6

6. no mode

7. 0.236

8. 1,136

9. no mode

10. 33,745

2 divided 3 is 2/3. What is
1/3 of 2?

Answers

Answer:

0.6666667

Step-by-step explanation:

1/3 of 2 is 0.6666667

Solve.

one-thirds – 6 < 24

Answers

Answer:

90

Step-by-step explanation:

Consider (cosine (StartFraction pi Over 2 EndFraction) = I sine (StartFraction pi Over 2 EndFraction) ) and z = 3 (cosine (StartFraction 3 pi Over 2 EndFraction) = I sine (StartFraction 3 pi Over 2 EndFraction) ).. What is w + z expressed in polar form?

Answers

The sum of given complex numbers in polar form as [tex]w+z=cos(\frac{\pi}{2} )+i~sin(\frac{\pi}{2} )[/tex]

What is complex number?

"The number of the type a + ib is called as complex number, where a, b are real numbers and [tex]i=\sqrt{-1}[/tex] "

What is polar form of the complex number?

"The polar form of a complex number z = x + iy is [tex]z=r(cos\theta+i~sin\theta)[/tex] where [tex]r=\sqrt{x^2+y^2}[/tex] and [tex]\theta=tan^{-1}({\frac{y}{x} })[/tex] "

For given question,

We have been given two complex numbers in polar form.

[tex]w=4(cos(\frac{\pi}{2} )+i~sin(\frac{\pi}{2} ))~,z=3(cos(\frac{3\pi}{2} )+i~sin(\frac{3\pi}{2} ))[/tex]

The sum of given complex numbers would be,

[tex]w+z= 4(cos(\frac{\pi}{2} )+i~sin(\frac{\pi}{2} ))+3(cos(\frac{3\pi}{2} )+i~sin(\frac{3\pi}{2} ))[/tex]

We know that

[tex]cos(\frac{\pi}{2} )=0\\\\sin(\frac{\pi}{2} )=1\\\\cos(\frac{3\pi}{2} )=0\\\\sin(\frac{\pi}{2} )=-1[/tex]

So, the sum of given complex numbers would be,

[tex]w+z\\\\= 4(cos(\frac{\pi}{2} )+i~sin(\frac{\pi}{2} ))+3(cos(\frac{3\pi}{2} )+i~sin(\frac{3\pi}{2} ))\\\\=4(0+i(1))+3(0+i(-1))\\\\=4(i)+3(-i)\\\\=i\\\\=0+i[/tex]

We can write above sum of complex numbers in polar form as,

[tex]0+i=cos(\frac{\pi}{2} )+i~sin(\frac{\pi}{2} )[/tex]

Therefore, the sum of given complex numbers in polar form as [tex]w+z=cos(\frac{\pi}{2} )+i~sin(\frac{\pi}{2} )[/tex]

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Answer:

b on edge

Step-by-step explanation:

Paul rolls a fair dice 132 times.
How many times would Paul expect to roll a three?

Answers

We are going to take 132 divided by 6, because there are 6 different rolls he can get. So, 132/6=22

The probability of getting 3 in 132 times is 22.

What is probability?

A probability is a number that reflects the chance or likelihood that a particular event will occur.

Given that, Paul rolls a fair dice 132 times.

The probability of getting 3 in one roll is 1/6

so now it is 132 rolls

so,

= 132/6

= 22

Hence, The probability of getting 3 in 132 times is 22

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Can someone help me plz ASAP

Answers

Answer:

x=35

Step-by-step explanation:

simple equstion x+40+3x=180 then subtract forty combine the two X's and divide by 180

Natalie and Juan collect marbles. The number of marbles that Natalie has is 4 more than 3 times the number of marbles Juan has. If m represents the number of marbles Juan has, which of the following expressions represents the number of marbles Natalie has?
A. 4m + 3
B. 3m + 4
C. 3m – 4
D. 4m – 3

Answers

It would be B because it is three times the marbles so 3M and then four more than that so +4
it would be B bc da marbles shows how many .

What is the distance from A to b
A (0,2)
B (4,5)

Answers

Answer:

4 to the right and 3 upward

or 7 overall

Step-by-step explanation:

4-0=4

5-2=3

5/4 ÷ 10 = ?
(hhhhhh... ignore this part, reaching the minimum amount of characters)

Answers

The Correct answer is 1/8

In the definition of rational numbers, b cannot equal 0, why?

Answers

Answer:

see explanation

Step-by-step explanation:

A rational number Q can be expressed in the form

[tex]\frac{a}{b}[/tex] where a and b can take any integer value except b = 0

This is because it would lead to division by zero which is undefined.

help with this slope ​

Answers

Answer:

slope is 4

Step-by-step explanation:

rise over run lol

You rise 4 and go over 1 so 4 over 1 (4/1) is 4 which the the slop

What is the value of a?

Answers

Answer:

66

Step-by-step explanation:

The sum of all of the angles in a triangle is 180. So all three angles would add up to 180:

(a + 21) + 57 + (a - 30) = 180

Combine like terms:

2a + 48 = 180

2a = 132

a = 66

Answer:

a+21+57+a-30=180(angle of triangle)

2a+48=180

2a=180-48

2a=132

a=132/2

a=66

then,a+21=66+21 =87

a-30=66-30 =36

Step-by-step explanation:

I think this is the answer

PLEASE HELP W MATH QUESTION !!!
( WILL MARK BRANLIEST )

Answers

Answer:

2

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

[tex]\frac{f(b)-f(a)}{b-a}[/tex]

Here [ a, b ] = [ - 5, - 1 ] , thus

f(b) = f(- 1) = - (- 1)² - 4(- 1) + 6 = - 1 + 4 + 6 = 9

f(a) = f(- 5) = - (- 5)² - 4(- 5) + 6 = - 25 + 20 + 6 = 1 , then

average rate of change = [tex]\frac{9-1}{- 1-(-5)}[/tex] = [tex]\frac{8}{4}[/tex] = 2

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