The wait time of a line t hours after a store opens is given by the expression.

40x−12x+2340x−1 x+23
 What does the value 23 represent?

A.the total number of people in line
B. the total rate of change in people per hour
C.the rate at which people join the line
D.the number of people in line when the store opened

Answers

Answer 1
the answer is D. the number of people Iine when the store opened

Related Questions

Steven wants to buy a $565 bicycle. Steven has no money saved, but will be able to deposit $30 into a savings account when he receives his paycheck each Friday. However, before Steven can buy the bike, he must give his sister $65 that he owes her. For how many weeks will Steven need to deposit money into his savings account before he can pay back his sister and buy the bike?

Answers

30w = 565 + 65
30w = 630
w = 630/30
w = 21 weeks <=== he's got a while to go
Ok First $565 just for a bike? lol. But anyway he gets $30 each Friday but he has to pay his sister $65 first so if you just add $65 to $565 you'll get the total amount he needs which is $630 then divide that by the $30 he gets each week and you'll get 21 weeks

a jazz concert brought in 122,000 on the sale of 8,000 tickets .if the tickets sold for $10 and $20 each, how many of each type of tickets were sold?

Answers

the answer to this is 200

it is 1,831 feet from Igor's house to his school how many feet does Igor Walk to school in. 5days

Answers

it would be 18310 because of him walking

1831*5=9155 so he walks 9155ft in 5 days

How do you turn -13 into an improper fraction

Answers

To turn any integer into an improper fraction, put the number over 1.

-13= -13/1

Final answer: -13/1

What is the midpoint of AB if A = (−2, 2) and B = (3, −1)? Enter your answer in the boxes below.

Answers

The answer is 0.5,0.5

Answer:

[tex](\frac{1}{2}, \frac{1}{2})[/tex]

Step-by-step explanation:

Since, the coordinates of the midpoint of a line segment having the endpoints [tex](x_1,y_1)[/tex] and [tex](x_2, y_2)[/tex] are,

[tex](\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})[/tex]

Here,

[tex]x_1=-2, y_1=2, x_2 = 3, y_2=-1[/tex]

Hence, the coordinates of the midpoint of segment AB are,

[tex](\frac{-2+3}{2},\frac{2-1}{2})[/tex]

[tex](\frac{1}{2}, \frac{1}{2})[/tex]

The greatest common factor of a number n and 6 is 3. What are all of he possible whole-number values for n?

Answers

9, 21, 27, 33, 39, etc. just keep going up by 6

Answer:  Odd multiple of 3.

[tex]3,\ 9,\ 15,\ 21, \ 27, \ 33, \ 39,\ 45,...........[/tex]

Step-by-step explanation:

Given : The greatest common factor of a number n and 6 is 3.

Then, it is clear that n should be a multiple of 3.

Prime factorization of 6 :

[tex]6=2\times3[/tex]

So for n a even number then the greatest common factor will be 6.

Thus , the possible choice for n is a odd multiple of 3.

Hence, the possible whole-number values for n are :

[tex]3,\ 9,\ 15,\ 21, \ 27, \ 33, \ 39,\ 45,...........[/tex]

(1, -1) parallel to y= 2/5x-3

Answers

y+1=2/5(x-1)
y+1=2/5x-2/5
y=2/5x-7/5

which of these numbers are square numbers 25 36 48

Answers

25 and 36 are square numbers
25 is square of 5
36 is square of 6
48 is just random number.

so answer is 25,36

The sales tax rates from 4 different countries are shown in the table. Convert each sales tax rate to a decimal. Then sort the countries from least to greatest tax rates.

Hamilton: 9/160
Oakland: 5.75%
Green: 5 7/8%
Campbell: 11/200

Answers

Converting Sales Tax Rates and Sorting by Rate

Convert Fractions to Decimals:

Hamilton: 9/160 = 0.05625

Oakland: 5.75% = 5.75 / 100 = 0.0575

Green: 5 7/8% = 47/8 / 100 = 0.05859375

Campbell: 11/200 = 0.055

2. Sort Countries by Tax Rate:

1. Campbell: 0.055

2. Hamilton: 0.05625

3. Oakland: 0.0575

4. Green: 0.05859375

Therefore, the countries sorted from least to greatest tax rates are:

1. Campbell (0.055%)

2. Hamilton (0.05625%)

3. Oakland (0.0575%)

4. Green (0.05859375%)

What's 755,082 rounded to the nearest 10,000

Answers

The answer is 760,000
It's rounded to 760,000

Need help on my math homework

Answers

200 +6m = 500-6m

add 6m to each side

200+12m = 500

subtract 200 from each side

12m = 300

divide both sides by 12

m = 300/12 = 25

 25 minutes


 check:

200+ 25*6 = 200 +150 = 350

500 - 25*6 = 500-150 = 350


Maryann is testing the effectiveness of a new acne medication. There are 100 people with acne in the study. Fifty-five patients received the acne medication, and 45 other patients did not receive treatment. Thirty of the patients who received the medication reported clearer skin at the end of the study. Twenty-two of the patients who did not receive medication reported clearer skin at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that they reported clearer skin?

Answers

Answer: 58 %

Step-by-step explanation:

Let M represents the event of taking medicine, M' represents the event of not taking medicine and C represents the event of clearing skin,

Thus, according to the question,

n(M) = 55,

n(M') = 45,

n(M∩C) = 30,

n(M'∩C)= 22,

⇒ n(C) = n(M∩C) + n(M'∩C) = 30 + 22 = 52

Let S shows the total number of people,

n(S) = 100

Hence, the probability of cleared skin,

[tex]P(C)=\frac{n(C)}{n(S)}=\frac{52}{100}=0.52[/tex]

And, the probability of cleared skin of that people who took the medicines,

[tex]P(M\cap C)=\frac{n(M\cap C)}{n(S)}=\frac{30}{100}=0.3[/tex]

Thus, the probability that a patient chosen at random from this study took the medication, given that they reported clearer skin,

[tex]P(\frac{M}{C})=\frac{P(M\cap C)}{n(C)}=\frac{0.3}{0.52}=0.57692307692\approx 0.58 = 58\%[/tex]

Answer: 0.58

Step-by-step explanation:

Let A = Event that the patients received the acne medication.

B = Event that the patients did not receive the acne medication.

C = Patient reported  reported clearer skin.

Now,

[tex]P(A)=\dfrac{55}{100}=0.55\ \ ,P(B)=\dfrac{45}{100}=0.45[/tex]

[tex]P(C|A)=\dfrac{30}{55}\ \ , P(C|B)=\dfrac{22}{45}[/tex]

Using Bayes theorem, The probability that a patient chosen at random from this study took the medication, given that they reported clearer skin:

[tex]P(A|C)=\dfrac{P(A)\cdot P(C|A)}{P(A)\cdot P(C|A)+P(B)\cdot P(C|B)}\\\\=\dfrac{0.55\cdot\dfrac{30}{55}}{0.55\cdot\dfrac{30}{55}+0.45\cdot\dfrac{22}{45}}=0.576923076923\approx0.58[/tex]

Hence, the required probability : 0.58

Solve for b.

d = 3a + 3b


A)b=d−3a

B)b=d−3a/3

C)b=3a−d/3

D)b=d−3a/a

Answers

d = 3a + 3b
3b = d - 3a
  b =(d - 3a) / 3

answer
B)(d - 3a) / 3

How much greater is 46 than 0.46?

Answers

45.54. This is simple, just plug it into a calculator

Farrah is painting vases to sell in a local craft show. She paints 8 vases in 2 hours. Which is a reasonable estimate of the amount of time it will take her to paint 50 vases?

Answers

The answer is 12 !!!
The Answer is 12.5 hours or 750 mins. H stands for hours and V stands for vases. you are given that 2h = 8v. 1H = 4v; Then 30 mins = 2v; Finally 15 mins= 1v. keep dividing the time until you are left with 1 vase. So then Once you  find the time per vase you Multiply by 50. which is 750 mins and if you're want it in hours divide by 60.

A person driving along the road moves at a rate of 56 mph driven. How far does the person driving 1.5 hours? Show the calculation you use in your answer and give you a proper units

Answers

Greetings!

We can find out how many miles driven in 1.5 hours buying creating a simple expression:
[tex]56*1.5[/tex]
Evaluate:
[tex]=84[/tex]

In 1.5 hours, the person would've driven 84mph.

Hope this helps.
-Benjamin

Simplify
7/3+3(2/3−1/3)^2

Answers

pemdas
so simplify inside parenthasees first

the innermost is 2/3-1/3 which is 1/3

we get
7/3+3(1/3)^2
next, exponent, comes before multiply
(1/3)^2=(1^2)/(3^2)=1/9

we get
7/3+3(1/9)
multiply
7/3+1/3
add
8/3

The required answer of the given expression is 8/3.

What is simplification?

Simplification generally means finding an answer for the complex calculation that may involve numbers on division, multiplication, square roots, cube roots, plus and minus.

The given expression is,

7/3 + 3(2/3 − 1/3)²

Solving the bracket,

= 7/3 + 3{(2− 1)/3}²

solving the fraction,

= 7/3 + 3(1/3)²

solving the square,

= 7/3 + 3(1/9)

= 7/3 + 1/3

adding them we get,

= 8/3

which is the required answer of the given expression.

Thus, the required answer of the given expression is 8/3.

To learn more about simplification, here:

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use distributive property to find the product of (m+3)(m+7)

Answers

m*m+m*7+3*m+3*7
Answer= m^2+10m+21

Answer:

m² + 10m + 21

Step-by-step explanation:

(m + 3)(m + 7)

m(m + 7) + 3(m + 7)

m² + 7m + 3m + 21

m² + 10m + 21

How many inches tall is a 7 foot basketball player?

Answers

Unless some obnoxious mod deletes this, the answer is 84

To find it, you perform these steps:
7*12 (since there are 12 inches per foot, an 7 feet)
84

Your answer is 84 inches.
it would be 84 inches

Just need the equation please help I'm dum

Answers

472 - 4 = 468
468/9 = 52 kids

Hope this helps!

Alex spend 3/4 of his money. He gave 1/4 of the remainder to his sister. He had $120 left. How much did have in the beginning?

Answers

x = amount of money he had in the beginning

Because he spent 3/7, he has 4/7 left.

(4/7x)

We have to take 1/4 off THIS value. He has 3/4 of this value left.

(4/7x)1/4

Now, lets set it up as an equation

(4/7x)1/4 = 120

Multiply both sides by 4

4/7x = 480

Multiply both sides by 7/4

x = 480 * 7/4
x = 840

Hope his helped!

What is the correct classification of the system of equations below?
12x − 3y = 9
y − 4x = -3

parallel
coincident
intersecting

Answers

y - 4x = -3
y = 4x - 3.....slope is 4, y int is -3

12x - 3y = 9.....divide everything by 3
4x - y = 3
4x - 3 = y...re-arrange
y = 4x - 3....slope is 4, y int is -3

u have the same line, meaning coincident lines.....infinite solutions

answer : coincident lines

What is 2.085×106 in standard form?

208,500

285,000

2,085,000

2,850,000

Answers

2.085 x 10^6 =

 move the decimal 6 places to the right: 2,085,000

sorry my answer was deleted for some reason but the answer was c  2.085 x 106 in standard form is 2,085,000 which is c

What is 23.66 times 2.03

Answers

I think its 48.0298 hope that helped
23.66 × 2.03 = 48.0298

What is the value of y in the equation 3(3y – 12) = 0? (5 points)


4
5
6
9
4.
How many solutions does the equation 5p – 4p – 8 = –2 + 3 have? (5 points)


One
Two
None
Infinitely many

Answers

set equal to 0

3=0, nope

3y-12=0
add 12
3y=12
divide 3
y=4






5p-4p-8=-2+3
p-8=1
p=9
1 solution
The first answer for what does y equal is 4 because 3(3x4-12) = 3(12-12) =3x0=0.

60 + 84
the sum of the numbers as a product of their GCF is?

Answers

Final answer:

The sum of 60 and 84 expressed as a product of their Greatest Common Factor is 144. You determine this by first finding the GCF, which is 12, and then adding the other factors (5 and 7) together and multiplying by the GCF.

Explanation:

To find the sum of the numbers 60 and 84 as a product of their Greatest Common Factor (GCF), you first need to calculate the GCF of the two numbers. The GCF of 60 and 84 is 12. You can divide each number by 12 to find the other factors, which are 5 for 60 and 7 for 84. Therefore, the sum of the numbers can be expressed as the product of their GCF and the sum of these other factors:

60 + 84 = (12 × 5) + (12 × 7)

GCF × (sum of other factors) = 12 × (5 + 7)

Now you can add the other factors:

5 + 7 = 12

Then multiply by the GCF:

12 × 12 = 144

So, the sum of the numbers expressed as a product of their GCF is 144.

How do you rewrite 0.912912 using bar notation

Answers

You would put .912 and put a line all the way over 9 1 and 2
Final answer:

The number 0.912912 can be written in bar notation as 0.912, with a bar over 912 to indicate the repeating decimals. This method is commonly used in mathematics to represent repeating decimals.

Explanation:

To rewrite the number 0.912912 using bar notation, consider the part of the decimal that repeats. In this case, the repeating section is 912. Therefore, the number can be written as 0.912 where the 912 has a bar over it to represent the fact that it repeats. Bar notation is a way in mathematics to represent repeating decimals. The bar, or vinculum, shows which numbers repeat in the decimal. For this number, 0.912 with a bar over 912 is the way it would be written in bar notation.

Learn more about Bar Notation

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what is the difference between bisectors and perpendicular bisectors?

Answers

With a perpendicular bisector, the bisector always crosses the line segment at right angles.

Final answer:

A bisector cuts a line segment or angle into two equal parts, while a perpendicular bisector not only does that but also intersects the line segment at a right angle.

Explanation:

In mathematics, a bisector is a line segment or line that divides an angle or segment into two equal parts. It cuts the angle or segment into two congruent angles or segments. For example, if you have a line segment AB and its bisector is a line segment CD, then CD divides AB into two congruent segments AC and CB.

A perpendicular bisector is a type of bisector that not only divides a line segment into two equal parts, but it also intersects the line segment at a right angle (90 degrees). So, in addition to being equidistant from the two endpoints of the line segment, the perpendicular bisector is perpendicular to the line segment as well.

PLEASE HELP!!!!!

What is 4.2 as a mixed number?

What is 7.5 as a mixed number?

What is 8.8 as a mixed number?

What is 18.5 as a mixed number?

What is 10.5 as a mixed number?

Answers

the numbers to the left of the decimal are whole numbers....the numbers to the right of the decimal are fractions

4.2
the 4 is ur whole number....it stays ur whole number
the .2 is in the tenths place, so put it over 10
and we have 4 2/10 which reduces to 4 1/5
=================
7.5
do the same thing that we did in the first one
7 5/10 reduces to 7 1/2
=================
8.8
8 8/10 reduces to 8 4/5
================
18.5
18 5/10 reduces to 18 1/2
===============
10.5
10 5/10 reduces to 10 1/2

Answer:

#1)   4 1/5

#2)  7 1/2

#3)  8 4/5

#4)  18 1/2

#5)  10 1/2

Step-by-step explanation:

In order to convert to a mixed number, place the numbers to the right of the decimal over 10. Reduce the fraction.

I hope this helped!

Determine the equation of the graph and select the correct answer below. parabolic function going down from the left through the point negative five comma zero and turning at the point negative four comma negative one and going up through the point negative three comma zero and through the point zero comma fifteen and continuing towards infinity Courtesy of Texas Instruments y = (x + 4)2 + 1 y = (x + 4)2 − 1 y = (x − 4)2 + 1 y = (x − 4)2 − 1

Answers

Solution: The correct option is second option, i.e., [tex]y=(x+4)^2-1[/tex].

Explanation:

The standard form of the parabola along the y-axis with vertex (h,k) is [tex]y=a(x-h)^2+k[/tex].

Since the turning point is given as [tex](-4,-1)[/tex].

Put these values in the standard form of the parabola.

[tex]y=a(x+(-4))^2+(-1)[/tex]

[tex]y=a(x+4)^2-1[/tex]       .....(1)

The parabola passes through the points (-5,0), (-3,0) and (0,15). It means each point will satisfy the above condition.

Put x = 0 and y = 15 in the equation (1).

[tex]15=a(0+4)^2-1\\16=4^2a\\16=16a\\a=1[/tex]

Put a = 1 in equation (1).

[tex]y=1(x+4)^2-1[/tex]

Therefore, the The correct option is second option, i.e., [tex]y=(x+4)^2-1[/tex].

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