At 2 P.M., the total snowfall is 23 inches. At 7 P.M., the total snowfall is 45 inches. What is the mean hourly snowfall? Write your answer in simplest form as a fraction or mixed number.

Answers

Answer 1

Answer:

13 3/5 inches per hour

Step-by-step explanation:

If at 2 there is 23 inches and then at 7 there is 45, it has been 5 hours. Taking the mean (average) is just taking 45+23 and dividing it by 5. That gives you 68/5 which simplified to a mixed number is 13 3/5. So, there was a mean of 13 3/5 inches of snowfall hourly. Hope that helps!


Related Questions

Consider the following table that describes the mass of a kitten as weeks go by. If you know the kitten grows by 10% each week for the first 5 weeks, fill in the table for the values each week. Week Mass (grams) (start) 80

Answers

Answer:

Week                   Mass  (gram)

(start)                    80

   1                         88  

   2                        96.8

   3                         106.48

   4                          117.128

Step-by-step explanation:

From the question we are told that

   The  mass of the kitten at the start week  is  m  =  80 g

   The rate at which the kitten grows is  r  =  0.10

Generally the mass of the kitten at the first  week is mathematically represented as  

    [tex]m_1 = ( r *  m)  + m[/tex]

=>[tex]m_1 = ( 0.10 *  80 )  + 80 [/tex]      

=>[tex]m_1 = 88 \ g  [/tex]      

Generally the mass of the kitten at the second week is mathematically represented as  

     [tex]m_2 = ( r *  m_1)  + m_1[/tex]

=>[tex]m_2 = ( 0.10 *  88 )  + 88 [/tex]      

=>[tex]m_2 = 96.8 \ g  [/tex]      

Generally the mass of the kitten at the third  week is mathematically represented as  

     [tex]m_3 = ( r *  m_2)  + m_2[/tex]

=>[tex]m_3 = ( 0.10 *  96.8)  + 96.8 [/tex]      

=>[tex]m_3 = 106.48  \ g  [/tex]      

Generally the mass of the kitten at the fourth  week is mathematically represented as  

     [tex]m_4 = ( r *  m_3)  + m_2[/tex]

=>[tex]m_4 = ( 0.10 *  106.48)  + 106.48 [/tex]      

=>[tex]m_4 = 117.128  \ g  [/tex]              

Week                   Mass  (gram)

(start)                    80

   1                        88  

    2                      96.8

    3                      106.48

   4                        117.128

 

C - x = r - d , for x

Answers

Answer:

x = C+d-r

Step-by-step explanation:

C - x = r - d

-x = r - d - C

x = -(r - d - C)

x = -r+d+C

x = C+d-r

What is 5+5 well it is...

Answers

Answer:

...It is 10

Step-by-step explanation:

what’s the answer to this mathematical question

Answers

Answer:

15

Step-by-step explanation:

c=√a²+b²

=√9²+12²

=√9×9+12×12

=√81+144

=√225

=15

please mark as brainliest!!!

Need help ASAP have 30 minutes

Answers

Answer:

7.25

Step-by-step explanation:

if you want to know what 1 box would be you would divide 14.50 by 2 to get 7.25 i’m sorry if i did this wrong

subtract rational numbers 4-10

Answers

Answer:

-6

Step-by-step explanation:

4-10

4+ (-10)

= -6

Write the equation of the line containing point (-3, 2) and having a slope of 6.

Answers

Answer:

y + 2 = 6(x - 3)

Step-by-step explanation:

Point-Slope Form: y + y₁ = m(x + x₁)

Simply plug in your known variables into the point-slope form to find your equation:

y₁ = 2

x₁ = -3

m = 6

y + 2 = 6(x - 3)


Which graph represents a function?

Answers

Answer:

graph c represent a function

Step-by-step explanation:

if you do the line test the line will not hot any other points  excpet one

C is the answer for this

Tyler has 2 dogs and 7 fish. What is Tyler's ratio of fish to dogs?

Answers

Answer:

2:7

Step-by-step explanation:

Answer:

2:7

Easy.

Come on bro this is like one of the easiest questions in the world

The figure shows a pair of parallel line segments on a coordinate grid: the line segments are translated 2 units to the left to form J’K and M’N. Which statement describes J’K and M’N

Answers

Answer:

J

Step-by-step explanation:

Answer:

Line segments J'K' and M'N' do not intersect and are the same distance apart as JK and MN.

Step-by-step explanation:

If the line segments are translated 2 units to the left, then JK will start at (1, -1) and go to (5, -1), and MN will start at (1, -2) and to to (5, -2).  So the line segments remain parallel and the same distance apart.

Please help me I’m stuck

Answers

Answer: oh no are you stuck

Step-by-step explanation: don't worry step sis ill help you :)

The Stanford-Binet Intelligence Scale is an intelligence test, which, like many other IQ tests, is standardized in order to have a normal distribution with a mean of 100 and a standard deviation of 15 points.

As an early intervention effort, a school psychologist wants to estimate the average score on the Stanford-Binet Intelligence Scale for all students with a specific type of learning disorder using a simple random sample of 36 students with the disorder.

Determine the margin of error,
, of a 90% confidence interval for the mean IQ score of all students with the disorder. Assume that the standard deviation IQ score among the population of all students with the disorder is the same as the standard deviation of IQ score for the general population, =15

points.

Give your answer precise to at least two decimal places.

Answers

Answer:

4.11

Step-by-step explanation:

Margin of error equals critical value times standard error.

MoE = CV × SE

For 90% confidence and n > 30, the critical value is z = 1.645.

The standard error is SE = σ/√n = 15/√36 = 2.5.

Therefore, the margin of error is:

MoE = (1.645) (2.5)

MoE = 4.11

The margin of error of a 90% confidence interval for the mean IQ score of all students with the disorder is 4.1125 and this can be determined by using the formula of margin of error.

Given :

Standardized in order to have a normal distribution with a mean of 100 and a standard deviation of 15 points.A school psychologist wants to estimate the average score on the Stanford-Binet Intelligence Scale for all students with a specific type of learning disorder using a simple random sample of 36 students with the disorder.90% confidence interval.

According to the given data, the confidence is 90% and n > 30, so the critical value is z = 1.645.

Now, to determine the standard error using the below formula:

[tex]\rm SE = \dfrac{\sigma}{\sqrt{n} }[/tex]

[tex]\rm SE = \dfrac{15}{\sqrt{36} }=\dfrac{15}{6}[/tex]

SE = 2.5

Now, the formula of margin of error is given by:

[tex]\rm MOE = z\times SE[/tex]

MOE = (1.645) [tex]\times[/tex] (2.5)

MOE = 4.1125

So, the margin of error is 4.1125.

For more information, refer to the link given below:

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what is 150 divided by 12

Answers

Answer:

75

Step-by-step explanation:

150/2=75

Answer:

It is 12.5!

Step-by-step explanation:

If you use a calculator and type in 150 / 12 (/ = divide)

I hope this helped you a lot! :)

What is the least common multiple of 14 and 24?

Answers

Answer:

168

Step-by-step explanation:

Answer:

168

Step-by-step explanation:

24*7=168

14*12=168

Which expression is equivalent to fourteen more than the product of three and nine

Answers

Answer:

Step-by-step explanation:

The product of 3 and 9 just means to multiply 3 and 9. This is written as:

3 x 9

14 more than this just means to add 14 to the above.

3 x 9 + 14

Can any repeating decimal can be written as a fraction or a mixed number? Only a true or false is needed.

Answers

Answer:

True

Step-by-step explanation:

Selecting a State Choose one of the 50 states at
random.
a. What is the probability that it begins with M?
b. What is the probability that it doesn't begin with a
vowel?

Answers

Answer:

PART ONE- 8/50 PART 2-38/50

Step-by-step explanation:

First of all, we know that there are 50 states. Lets see how many states begins with M first.

Maine‎ (27 C, 5 P)

Maryland‎ (28 C, 5 P)

Massachusetts‎ (29 C, 4 P)

Michigan‎ (28 C, 4 P)

Minnesota‎ (28 C, 2 P)

Mississippi‎ (27 C, 6 P)

Missouri‎ (25 C, 3 P)

Montana‎ (27 C, 6 P)

There are 8 states which means that the probabilty is 8/50 which simplifies to 4/25

We know that 12 states begins with a vowel. 50-12 is 38/50

The probability that it begins with M is 0.16 and the probability that it doesn't begin with a vowel is 0.76

What is probability?

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur.

Given that, Selecting a State, Choose one of the 50 states at random.

We know that, P(A) = n(A)/n(S)

where, P(A) is the probability of an event “A” n(A) is the number of favourable outcomes. n(S) is the total number of events in the sample space.

a) There are 8 states which begins with M, that means the probability = 8/50 = 4/25 = 0.16

b) We know that 12 states begins with a vowel,

Therefore, the probability that it doesn't begin with a vowel = 1 - 12/50 = 38/50 = 0.76

Hence, The probability that it begins with M is 0.16 and the probability that it doesn't begin with a vowel is 0.76

For more references on probability, click;

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The cost of 0.75 pounds of bananas is $0.63. How much will one pound of bananas cost?

Answers

Answer:

The cost of one pound of bananas is $0.84.

in a mixture a there is 2l of syrup in 3l of water. in a mixture b there is 1.8l of syrup in 2.5 water. in which mixture, concentration syrup is higher?

Answers

Answer:

Step-by-step explanation:

In the first mixture the concentration syrup is higher

Concentration syrup is higher in mixture B.

What is Proportion?

Two or more ratios made to be equal to each other is termed as proportion.

We have to use the proportional concept here by finding the concentration of syrup in 1 l of water.

Mixture A:

Concentration of syrup in 3 l of water = 2 l

Concentration of syrup in 1 l of water = 2/3 l = 0.67 l

Mixture B :

Concentration of syrup in 2.5 l of water = 1.8 l

Concentration of syrup in 1 l of water = 1.8 / 2.5 = 0.72 l

Concentration of syrup in mixture A in 1 liter of water is less than the concentration of syrup in mixture B in 1 liter of water.

Hence the concentration of syrup in mixture B is higher because concentration of syrup in mixture B in 1 liter of water is higher than the concentration of syrup in mixture A in 1 liter of water.

Learn more about Proportion here :

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f(x)=-3x^2-6x

Find f(−9)

Answers

Answer:

f(-9)= -189

Step-by-step explanation:

f(-9)= -3(-9)^2-6(-9)

f(-9)= -3(-9)^2 +54

f(-9)= -3(81) +54

f(-9)= -243 + 54

f(-9)= -189

[tex]f(-9)[/tex]  is [tex]-189[/tex]

What is function?

In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function. Functions were originally the idealization of how a varying quantity depends on another quantity.

According to question, we have the function [tex]f(x)=-3x^2-6x[/tex]

We have to find [tex]f(-9)[/tex]

So,  [tex]f(-9)=-3[/tex]×[tex](-9)^{2}[/tex][tex]-6(-9)[/tex]

                [tex]=-243+54[/tex]

                [tex]=-189[/tex]

Hence, we can conclude that   [tex]f(-9)[/tex] is [tex]-189[/tex]

Learn more about function here:

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How much does 4 7/5 kg of candy cost if 5/6 of candy costs $7.50?

Answers

Answer:

It costs $42.43

Step-by-step explanation:

Answer:

$1.35

Step-by-step explanation:

7.5÷ 5/6=0.25

0.25x4 7/5=1.35

Chan receives a bonus from his job. He pays 30% taxes, pays 30% charity and 25% debt. Has $600 remaining from his bonus. What was the total amount of chains bonus?

Answers

Answer:

b = $4000

Step-by-step explanation:

Let b represent the bonus amount.

Then the bonus, b, less the three deductions, is represented by

b - 0.30b - 0.30b - 025b, and this comes to $600.  Find the value of b.

b - 0.85b = $600, or

0.15b = $600

Then b = $4000

Consider the relationship between the words pine and tree.

Which answer choice contains a pair of words with the same relationship?


book: title

hook: instrument

badger: animal

head: scarf

Answers

Answer:

A Book:Title

Step-by-step explanation:

Answer:

Badger: animal

Step-by-step explanation:

i took the test and its right

If 4w – 1 = 11, then 4w = 12

What the property?

Answers

W is 3, is that correct

answer 2 questions about equations A and B.
A. 5=-2(x-1)
B. 5=-2x+2
1. how can we get equation B from equation A?
A. rewrite one side (or both) by combining like terms
B. rewrite one side (or both) using distributive property
C. multiply or divide both sides by the same non zero constant.
D. multiply or divide both sides by the same variable expression.
2. based on the previous answer, are the questions equivalent? in other words do they have the same solution?
Yes or No​

Answers

Answer:

B.

Step-by-step explanation:

I'm not sure how to answer the 2. question

A teacher is decorating her bulletin board. She needs boarder for the board. If the bulletin board has a length of 15 long and a width of 6 feet long
How much boarder does she need for the entire bulletin board?

Answers

Answer:

42

Step-by-step explanation:

When doing perimeter, you add all sides. 15+15+6+6=42

Answer:

1+1=2 2+2=4 4+4=8

Step-by-step explanation:

1+1=2 2+2=4 4+4=8

to bake 100 of his favorite cookies, Mr.Wallis needs 350 grams of sugar. How many grams of sugar would he need to bake 10 cookies?​

Answers

answer:35 grams

explication: because if he need 350 grams of sugar to make 100 cookies , we have to divide 350 by 100 so it gives 35

The number of grams of sugar would he need to bake 10 cookies will be 35 grams.

What are ratio and proportion?

A ratio is a collection of ordered integers a and b represented as a/b, with b never equaling zero. A proportionate expression is one in which two items are equal.

To bake 100 of his favorite cookies, Mr.Wallis needs 350 grams of sugar.

Let x be the amount of sugar for 10 cookies.

The number of grams of sugar would he need to bake 10 cookies will be

x / 10 = 350 / 100

x / 10 = 3.5

x = 35 grams

The number of grams of sugar would he need to bake 10 cookies will be 35 grams.

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passes through :(3, -1) Slope: -1/2

write in slope intercept form of a line​

Answers

Plug in the numbers you do have to find the y intercept, then plug in the y intercept and the slope into your equation, hope this helps!!

3/8 is equal to

A) 0.222
B) 0.375
C) 0.444
D) 0.666

Answers

Answer:

B 0.375

Step-by-step explanation:

Google told me that 3/8 of a whole is 0.375

Answer:The anwser is B 0.375

Step-by-step explanation:

3 dived by 8 is 0.375

Let f(x) = 6x^2 +5 and g(x) = 3x - 5. Find g(f(0)).

Answers

Answer:

The answer is 10.

Step-by-step explanation:

f(x) = 6* x^2 + 5

f(0) = 6*0^2 + 5 = 5

g(x) = 3x - 5

g(f(x)) = 3 * (f(x)) - 5

g(f(0)) = 3 * 5 - 5 = 10

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