Find the average number of people in these cities: New York, Philadelphia, Chicago and Detroit a. 3.35 million b. 40 million. C. 4.0 million d. 33.million

Answers

Answer 1

Answer:

The answer is maybe going to be D which is 33 million

Step-by-step explanation:

New york is a big city


Related Questions

Abdul uses 15 1/2 cups of flour to make 3 loaves of bread. At that rate, how many cups of flour would Abdul need to make 4 loaves of bread?

NO ANSWERS FROM UNKNOWN FILES OR I'LL REPORT IT!!!

Answers

Yea don’t click on the links the get information from u

Sue receives a monthly salary of $500. She also receives a sales commision of
8% of her total sales. Her total sales this week were $2,500. Find her
commission and total sales.

Answers

Answer:

2000 because you got to subtract

Please answer the question in the pic and make the answer clear pleaseeeee I'm giving brainliest out as welll

Answers

First box right
Second box left
Third box right
Fourth box left
Fifth box right
Sixth box right not sure
Seventh box left
Eighth box right
Tell me if wrong

Please Help
dont answer unless you really know the answer

Answers

Hello, the answer to your question is B-0.8cm. Hope you have a good day!

Solve the following equation: *

Answers

Answer:

Step-by-step explanation:

x/3 + 6 = 17

Bringing like terms on one side

x/3 = 17 - 6

x/3 = 11

Dividing by 3 on both sides

x = 11/3

Two accounts earn simple interest . The balance y in dollars in account A after x years can be modeled y = 20x + 400

Answers

Send me jelly please

Hakim is making birdhouses. Each birdhouse uses 7/8 yard of wood. What is the total length of wood Hakim will need to build 5 birdhouses.

Answers

Answer:  4 3/8 yards of wood

Step-by-step explanation:

It would be 5 times the ammount needed for one birdhouse so it would be-

7/8 x 5= 35/8 or 4 3/8

Answer 4 3/8 you need to multiply 7/8 by 5 (7/8 x 5)

Find the volume of the prism to the nearest whole number

Answers

Answer:

120

Step-by-step explanation:

The prism shown is a rectangular prism with a height of 3 in a length of 5 in and a width of 8 in

The volume of a rectangular prism can easily be calculated by multiplying the height by the length by the width

So V = 3 * 5 * 8

3 * 5 = 15

15 * 8 = 120

V = 120

Therefore your answer is 120

the manager of a local recreational center wanted to determine the average amount each consumer spent on traveling to and from the center. on the basis of the findings, the manager was planning on setting the entrance fee. the management noted that customers living at the other side of town had to travel about 15 miles and spent about 20 cents per mile. the manager wanted to be 95% confident of the findings and did not want the margin of error to exceed /- 10 cents. what sample size should the manger use to determine the average travel expenditure

Answers

Answer:

The manager should use a sample size of 12 to determine the average travel expenditure

Step-by-step explanation:

Spent about 20 cents per mile. Distance of 15 miles

We have the mean per a distance, so we use the Poisson distribution. In this distribution, the standard deviation is the square root of the mean. So

[tex]\mu = 20*15 = 300, \sigma = \sqrt{300} = 17.32[/tex]

Confidence interval:

We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:

[tex]\alpha = \frac{1 - 0.95}{2} = 0.025[/tex]

Now, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].

That is z with a pvalue of [tex]1 - 0.025 = 0.975[/tex], so Z = 1.96.

Now, find the margin of error M as such

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.

What sample size should the manger use to determine the average travel expenditure?

This is n for which M = 10. So

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

[tex]10 = 1.96\frac{17.32}{\sqrt{n}}[/tex]

[tex]10\sqrt{n} = 1.96*17.32[/tex]

[tex]\sqrt{n} = \frac{1.96*17.32}{10}[/tex]

[tex](\sqrt{n})^2 = (\frac{1.96*17.32}{10})^2[/tex]

[tex]n = 11.52[/tex]

Rounding up

The manager should use a sample size of 12 to determine the average travel expenditure


The population of a country has been increasing for several decades. In 1990, the population was about 263 million people In 2014, the population was about 307 million people Determine the percent in + The country's population increased by about % during this time period


Answers

Answer:

The country's population increased by about 16.73% during this time period.

Step-by-step explanation:

Percent increase:

The percent increase is given by the change multiplied by 100 and divided by the initial value.

In 1990, the population was about 263 million people In 2014, the population was about 307 million people.

Change: 307 - 263 = 44

Initial population: 263

Percentage increase:

44*100/263 = 16.73%

The country's population increased by about 16.73% during this time period.

The 5 members of the math team at Nielsen Middle School are raising money to go to the
state competition. They need between $55 and $80 per person for each day of the trip. Which
of the following is a reasonable estimate of the total amount of money they will need for the
2-day trip?

Answers

Answer:

The answer is $700

Step-by-step explanation:

Brainliest plzz

Helga and Dora were solving the following problem together. A boat left Kyuquot and headed west at 15.5 km/h. A second boat left Kyuquot half an hour later and headed west at 18 km/h. For how many hours did the first boat travel before the second boat overtook it? Both girls used t to represent the time taken by the first boat. However, they disagreed on the equation to model the situation. Helga’s Equation Dora’s Equation 15.5t = 18(t + 0.5) 15.5t = 18(t - 0.5) a) Explain what the expression on each side of each equation represents. b) Which equation is correct? Explain. c) What is the solution to the problem?

Answers

Answer:

15.5t=18(t-0.5) is the correct answer

Step-by-step explanation:

if the first boat travels t time then the second traveld t-0.5 time to take over

The expression on each side of each equation represent the distance travelled. Hence, 15.5t=18(t-0.5) is the correct answer

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

We are given that boat left Kyuquot and headed west at 15.5 km/h.

A second boat left Kyuquot half an hour later and headed west at 18 km/h.

Helga’s Equation 15.5t = 18(t + 0.5)

Dora’s Equation 15.5t = 18(t - 0.5)

Therefore, if the first boat travels t time then the second travelled

t-0.5 time to take over

To know more about an expression follow;

brainly.com/question/19876186

#SPJ2

Can someone plz help me

Answers

Answer:

47.5 in²

Step-by-step explanation:

Answer:

47.5 in²

Step-by-step explanation:

A = a+b

/2h = 7+12

/2·5 = 47.5

if x = 2 and y = 6 , evaluate the following expression:

100-3(3y-4x)

(Tricky question, so be careful, not as obvious as it seems)
(NO LINKS OR I WILL REPORT)

Answers

The answer is 70
According to ur question

Dooren can type 2 pages of her report in 5 minutes. At this rate, how many pages could she type in half an hour?

Answers

Answer:

60 pages

Step-by-step explanation:

2pages = 5min

30 x 2 = 60

Therefore, in half an hour Doreen can type 60 pages

How can you use 1300 divided by 13 to help you find 1,287 divided 13

Answers

Answer:

Step-by-step explanation:

This question is about the benefits of estimation.

1300/13 is easy and results in 100.

1287/13 can be approximated by 1300/13:  1287/13 ≈ 100.

Actually, 1287 = 1300 - 13 = 13(99); just subtract 1 from 100.  

So:  1287/13 = 1300 - 13 = 1287.  A nice bit of mental math!

According to a survey conducted by the technology market research firm The Radicati Group, U.S. office workers receive an average of e-mails per day (Entrepreneur magazine website). Assume the number of e-mails received per hour follows a Poisson distribution and that the average number of e-mails received per hour is five. a. What is the probability of receiving no e-mails during an hour (to 4 decimals)

Answers

Answer:

the probability is 0.0067

Step-by-step explanation:

The computation of the probability of receiving no e-mails during an hour is shown below;

Let us assume x be the number of emails received during an hour

Now the probability of receiving no e-mails is

= e^-5 × 5^0÷ 0!

= e^-5 × 1  ÷ 1

= e^-5

= 0.00674

= 0.0067

Hence, the probability is 0.0067

Alana has $80 in a savings account. The interest rate is 5% per year and is not compounded. How much interest will she earn in 1 year?

Answers

Answer:

Answer:

I = $ 1,937.50

Step-by-step explanation:

Equation:

I = Prt

Calculation:

First, converting R percent to r a decimal

r = R/100 = 3.875%/100 = 0.03875 per year,

then, solving our equation

I = 10000 × 0.03875 × 5 = 1937.5

I = $ 1,937.50

The simple interest accumulated

on a principal of $ 10,000.00

at a rate of 3.875% per year

for 5 years is $ 1,937.50.

I hope this is correct and hope it helps!

Please help me I can't solve this question I would really appreciate it

Answers

Answer:

[tex]\frac{3}{11}[/tex], 28, [tex]\frac{4}{11}[/tex]

Step-by-step explanation:

For the first one, you would subtract [tex]\frac{5}{11}[/tex] from [tex]\frac{8}{11}[/tex], giving you [tex]\frac{3}{11}[/tex].

For the second one, you would subtract 22 from 50, giving you 28.

For the third one, you would subtract [tex]\frac{4}{11}[/tex] from [tex]\frac{8}{11}[/tex], giving you [tex]\frac{4}{11}[/tex].

Hope I helped

3/11,28,4/11


hope I helped you’re welcome

The domain of y = f(x) = _ is
(a) R - {0}
(b) R
(c) (-2,1)
(d) (-1.1)​

Answers

the correct answer is b

Answer:

The domain of a function is the set of all possible x values that satisfy the equation. We cannot answer this question without first knowing what the equation for f(x) is.

Step-by-step explanation:

Take for example the function y = f(x) = [tex]x^{2} +3[/tex]. Here, you can plug in literally any value for x and still get our a real number. Thus, the domain of f(x) is (-∞, ∞).

However, if your function is y = f(x) = [tex]\frac{2}{\sqrt{x+3} }[/tex] , not every x value is acceptable. First, we cannot have the denominator (bottom part) of the fraction be zero, because division by zero is undefined. Thus, x = -3 is not an acceptable value for x.

We also cannot take the square root of a negative number. Thus, we have the rule that x + 3 must be greater than or equal to zero.

[tex]x+3 > 0\\\\x > -3\\[/tex]

Normally we would use greater than or equal to zero, but because this is in the denominator, we don't want it to equal zero (and thus x = -3 is not acceptable).

So, the domain of x is (-3, ∞). The parenthesis tell us we do not include the negative three and we do not include infinity. In other words, the domain of x is all numbers greater than -3 but less than infinity.

So, first look at your equation for f(x), then see which values of x don't break the rules of math like division by zero or square roots of negative numbers. Good luck!

You started a dog walking business. You spent $45 in start up costs and charge $12 per hour of
dog walking. How many hours must you walk before you have a minimum of $117?

Answers

Answer:

7

Step-by-step explanation:

Natalie can type 54 words per minute when transcribing an audio recording. Natalie needs to transcribe an audio recording with 7,938 words.

How many minutes will it take Natalie to transcribe the recording?

Enter your answer in the box.

min

Answers

Answer:

147 minutes (2 hours, 27 minutes)

Step-by-step explanation:

Lin says that an octagon has six sides. Chris says that it has eight sides. Whose statement is correct?

Answers

Answer:

Chris is correct. All octagons have eight sides and eight angles.

(OFFERING 50 POINTS!) PLEASE HELP

Answers

It’s 6.6 each box ig cuz 20 divided by 3 is 6.6

Answer this question for me please

Answers

Answer:

i believe the answer is D

Step-by-step explanation:

UVT equals what?....

Answers

Answer:

m<UVT = 114°

Step-by-step explanation:

½(sum of intercepted arcs) = measure of vertex of an angle inside a circle

Thus:

½(FS + UT) = m<UVT

Substitute

½(53 + 175) = m<UVT

½(228) = m<UVT

114 = m<UVT

m<UVT = 114°

100
100
Students, drow anywhere on this slide!

Answers

Answer:

Im sorry what?

Step-by-step explanation:

Please this is due in like 10 minutes please help me

Answers

Answer:

628

Step-by-step explanation:

1) Find the circumference of the wheel (the distance it travels in 1 revolution)

[tex]C=\pi d[/tex] where d is the diameter

Plug in 2 ft as the diameter

[tex]C=(3.14) (2)\\C=6.28[/tex]

Therefore, the circumference of the wheel is 6.28 ft.

2) Multiply the circumference by 100

6.28 × 100

= 628 ft

Therefore, Joe would travel 628 feet if his wheel turns exactly 100 complete revolutions in one direction.

I hope this helps!

An engineer is designing a fuel tank in the shape of a cylinder. The tank must have a volume of 3,500 cubic inches. The height of the cylinder must be twice the radius. What is the approximate radius of the cylinder?


8.2 inches


10.4 inches


12.1 inches


23.6 inches

Answers

C Correct ~~~~~~~~~~~~~~~~~~~~~~

By using the formula for the volume of a cylinder we will see that the approximate radius must be 8.2 inches.

How to get the radius of the cylinder?

Remember that for a cylinder of radius R and height H the volume is:

[tex]V = 3.14*R^2*H[/tex]

In this case, the height is twice the radius, so we have:

H = 2R

[tex]V = 3.14*R^2*2R = 6.28*R^3[/tex]

And we know that the volume must be 3,500 in^3, now we can replace that and solve for R, we will get:

[tex]3,500 in^3 = 6.28*R^3[/tex]

[tex](3,500 in^3/6.28)^{1/3} = R = 8.2 in[/tex]

The approximate radius of the cylinder must be 8.2 inches.

If you want to learn more about cylinders you can read:

https://brainly.com/question/9554871

Find the value of x.
A
D
17
8
х
B.
15
O X
120
17
O X
17
120

Answers

Answer:

Generally, the algebraic expression should be any one of the forms such as addition, subtraction, multiplication and division. To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

Step-by-step explanation:

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