Olaf has 11 more than triple the amount of customers as when he started selling newspapers. He now has 71
customers. Write an equation that can be used to solve for how many customers Olaf had originally, then solve
your equation to find the answer.

Answers

Answer 1

The equation representing the situation is written as

3x + 11 = 71

the number of customers Olaf had originally is 80

How to write the equation

From the given information the following is deduced

Olaf has 11 more than triple the amount of customers as when he started selling newspapers

let the amount be x

3x + 11 = ?

He now has 71 customers

3x + 11 = 71

solving the equation

3x = 71 - 11

3x = 60

x = 20

Olaf had 80 customers

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Related Questions

Jordan and his children went into a grocery store and he bought $13.50 worth of apples and mangos. Each apple costs $1.50 and each mango costs $0.75. He bought 6 more mangos than apples. Determine the number of apples and the number of mangos that Jordan bought.

Answers

The number of apples and the number of mangos that Jordan bought is

8 apples and 2 mangoes

How to find the amount Jordan bought

The worth of apple and mango is $13.50

Each apple costs $1.50 and each mango costs $0.75

let the amount of apple by x then amount of mangoes be y. such that

1.50x + 0.75y = 13.50

6 more mangoes than apples this means that

x = y + 6

x - y = 6

the two equations formed are

1.50x + 0.75y = 13.50

x - y = 6

solving the simultaneous equation gives

x = 8

y = 2

The number of apples bought is 8  and the number of mangoes bought is 2

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Find the GCF if 8 and 15
A.1
B.2
C.3
D.5

Answers

1 is the greatest common factor of 8 and 15 .

What is GCF ?

GCF stand for greatest common factor.It is a set of numbers is the largest factor that each and all the number share. GCF is also often used to find the common denominator.

First we need to write common factor of each number.

The common factors of 8 = ( 1,2,4,8)

The common factor of  15= (1,3,5,15)

1 is the  only one common factor here which is divides both 8 and 15.

So 1 is the only and GCF of 8 and 15.

Thus, 1 is the right answer.

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A goalie makes 15 saves in 5 games. What is the unit rate of saves per game?​

Answers

Answer:

Step-by-step explanation:

15/5= how many saves per game
1 game = 3 saves

Answer:

The unit rate is 3 saves per game.

Step-by-step explanation:

15 / 5 = 3

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a person casts a shadow that aligns with a shadow of a tree. the person is 5.5 feet tall and casts a shadow 8.25 feet long. the trees shadow measures 22.5 feet long

Part A: write and equation you can use to find the trees hight.

Part B: How tall is the tree? How far is the person standing from the tree?

Answers

An equation that can be used to determine the tree's height is 22.5/8.25 = x/5.5.

The height of this tree is equal to 15 feet.

The distance of this person from the tree is equal to 14.25 feet.

What are the properties of similar triangles?

In Geometry, two (2) triangles are similar when the ratio of their corresponding sides are equal in magnitude and their corresponding angles are congruent.

Additionally, two (2) geometric figures are considered to be congruent only when their corresponding side lengths are congruent and the magnitude of their angles are congruent.

Now, we can write an equation that can be used to determine the tree's height. Since the ratio of the corresponding sides of similar triangles are equal in magnitude, we have the following mathematical expression (equation):

22.5/8.25 = x/5.5

Where:

x represents the height of the tree.

How tall is the tree?

22.5/8.25 = x/5.5

Cross-multiplying, we have:

8.25x = 22.5 × 5.5

8.25x = 123.75

x = 123.75/8.25

x = 15 feet.

How far is the person standing from the tree?

The distance of this person from the tree can be calculated as follows;

Distance = Length of tree's shadow - Length of person's shadow

Distance = 22.5 - 8.25

Distance = 14.25 feet.

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(03.06 MC)

Aurora is planning to participate in an event at her school's field day that requires her to complete tasks at various stations in the fastest time possible. To prepare for the event, she is practicing and keeping track of her time to complete each station.

The x-coordinate is the station number, and the y-coordinate is the time in minutes since the start of the race that she completed the task.

(1, 3), (2, 6), (3, 12), (4, 24)

Part A: Is this data modeling an arithmetic sequence or a geometric sequence? Explain your answer. (2 points)

Part B: Use a recursive formula to determine the time she will complete station 5. Show your work. (4 points)

Part C: Use an explicit formula to find the time she will complete the 9th station. Show your work. (4 points)

Answers

A) The data models a geometric sequence

B) Using a recursive formula, the time she will complete station 5 is; 2

C) Using a explicit formula, the time she will complete station 9 is; 512

How to find the Recursive Formula?

A)  From the given coordinates (1, 3), (2, 6), (3, 12), (4, 24), we can say that when x increases by 1, y is multiplied by 2. Thus, as the quotient between consecutive terms is the same, the data depicts a geometric sequence.

B) The recursive formula for a geometric sequence with common ratio r and first term a₁ is given by the formula:

f(n) = a₁(r)ⁿ⁻¹

Since a₁ = 2 and r = 1, then we have;

f(1) = 2(1)¹⁻¹

f(1) = 2

f(5) = 2

C) The explicit formula from the calculations above will be;

aₙ = 2ⁿ

Thus;

a₉ = 2⁹

a₉ = 512

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Question 5 of 15
Solve: 6+ x/2 = 1/4(x − 4) – 1
OA. There are infinitely many solutions.
OB. x=-16
OC. x= 32
OD. X=-32

PLEASE HELP ME HURRY❗️❗️❗️❗️❕

Answers

Answer: x= -32

Step-by-step explanation:

6+x/2=1/4(x-4)-1

6 +x/2 = 1/4x -1 -1         distribute

6+ x/2 = 1/4x -2            combine like terms

(6+x/2) = (1/4x -2)        Find GCF for denominator

4(6+x/2) = 4(1/4x -2)      GCF is 4 so multiply by 4 on both sides

24 +x = x-8                 add 8 on both sides

32+x=x                        subtract x

32=-x                           divide by -1 on both sides

-32= x

 

The sum of two numbers is 19. The second number is 2 more than twice the first number.

Answers

Answer: 5[tex]\frac{2}{3}[/tex]

Step-by-step explanation:

19=(x+(2x+2))
Subtract 2 from each side
17=x+2x
17=3x
Divide each side by 3
[tex]\frac{17}{3}[/tex] = x
5 [tex]\frac{2}{3}[/tex] = x

POSSIBLE POINTS: 20
A prestigious program accepts 2 out of every 9 applicants per yer. If the program accepted 360 applicants, how many applicants were NOT accepted?
A.1260
B.1620
C.2520
D.3240
E.3600

Answers

The correct option is A. It can be solved by the concept of ratio and proportion.

What is ratio?

It is the way of representation of a quantity relative to the other quantity. Its symbol is :. For example size of 2 relative to 5 is represented by 2:5 or 2/5.

Total number of applicantas = 9

Accepted applicants             = 2

Not accepted applicants      = 9-2 = 7

Take the ratio of accepted to the not accepted applicants = 2/7

Now, if new not accepted applicants are x then accepted applicants are 360. To keep the ratio constant, the following equation must be satisfied:

[tex]\frac{2}{7}=\frac{360}{x}\\x=\frac{7}{2}\times 360\\x=1260[/tex]

Hence, the correct option is A. It can be solved by the concept of ratio and proportion.

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y= 3x + -2
y= x -4

HELP ME

Answers

Answer:

y=-3x+2 y=-x-4

Step-by-step explanation:

in base 10, the number 2013 ends in the digit 3. in base 9, on the other hand, the same number is written as (2676)9 and ends in the digit 6. for how many positive integers b does the base-b-representation of 2013 end in the digit 3?

Answers

As described in number system the of positive integers is 13

what is number system ?

A numeral system, also known as a mathematical notation, is a way of writing numbers that uses digits or other symbols to represent the numbers in a given set in a standardised way. In different numeral systems, the same set of symbols may represent various numbers.

Solution:

we want the integers b such that

2013 = 3 ( modb)

=> b is a factor of 2010

since 2010 has 2 * 3 * 5* 67 it has

(1+1)(1+1)(1+1)(1+1) = 16 factors

since b cannot equal to 1, 2, or 3, as these cannot have 3 in there base representation, our answer is 16 - 3 =13.

therefore the number of positive integers is 13

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Anna and Derek are both electricians.

Anna uses the function f(x)=70x+100 to determine the charge to her customers, where x represents the number of hours of labor.

The table shows what Derek charges a customer for x hours of labor.

x (hours) 0 1 2 3 4
cost ($) 70 170 270 370 470

Which electrician charges less for an initial fee for a service call?

Drag a value or name to the boxes to correctly complete the statements.

Answers

Anna charges $100 for an initial fee, Derek charges $100 for an initial fee. Derek charges less for an initial fee

How to determine the initial fees?

The equation is given as

f(x) = 70x + 100 ---- Anna

Also, we have

Derek

x (hours) 0 1 2 3 4

cost ($) 70 170 270 370 470

Set x = 0, to calculate the initial fees

So, we have

Anna: f(0) = 70(0) + 100

Evaluate

Anna: f(0) = 100

For Derek, we have

Cost = $70, when x = 0

Hence, Derek charges less for an initial fee

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all of the following increase the width of a confidence interval except a. decreased sample size b. increased sample size c. increased confidence level d. increased variation

Answers

The width of a confidence interval increase except increased sample size , the correct option is (b) .

In the question,

it is asked that which option will decrease the width of a confidence interval ,

we know that the ,

the decrease in sample size increases the width of the confidence interval , and

the increased confidence interval also leads to increase in width of confidence interval , and

the increase in variation also leads to increase in the width of the confidence interval .

So , the only option that decreases the width of the confidence interval is increased sample size

that is increase in sample sizes causes smaller confidence interval.

Therefore , the correct option is (b) .

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Pennylvania ha 51 mile of coat along Lake Erie and 57 mile horeline along the Delaware Etuary. The total ditance around Pennylvania i about 1000 mile. How much of that ditance around Pennylvania i not horeline?

Answers

the total distance around Pennsylvania is not shoreline will be 892 miles.

What is the arithmetic operation?

The four fundamental operations of arithmetic are addition, subtraction, multiplication, and division of two or more quantities. Included in them is the study of numbers, especially the order of operations, which is important for all other areas of mathematics, including algebra, data management, and geometry. The rules of arithmetic operations are required in order to answer the problem.

Pennsylvania has 51 miles of coast along Lake Erie and a 57-mile shoreline along the Delaware Estuary.

The total distance around Pennsylvania is about 1000 miles.

So the distance around Pennsylvania is not shoreline will be 1000-(57+51) = 892miles

Hence, the total distance around Pennsylvania is not shoreline will be 892 miles.

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A cardboard carrying box has the dimensions shown below. How many square inches of cardboard are needed to make the box?

Answers

This is a surface area problem. Find the area of each side. Front/back are 2(12x5), or 2x60, so 120. Left/right are 2(6x5), or 2x30, so 60. Top/bottom are 2(12x6), or 2x72, so 144. Add these 3, 120+60+144=324. The number of square inches of cardboard is 324 square inches. Peace!

the mean of five positive integers is 1.5 times their median. four of the integers are 8, 18, 36 and 62, and the largest integer is not 62. what is the largest integer?

Answers

The largest number of the five positive integers is 146.

Mean:

The mean is the mathematical average of a set of two or more numbers. The arithmetic mean and the geometric mean are two types of mean that can be calculated. The formula for calculating the arithmetic mean is to add up the numbers in a set and divide by the total quantity of numbers in the set.

Median:

The median is the middle value in a set of data. First, organize and order the data from smallest to largest. To find the midpoint value, divide the number of observations by two. If there are an odd number of observations, round that number up, and the value in that position is the median.

Here we have to find the largest integer.

Data given:

Four of the five integers are 8, 18, 36, and 62.

It is given that mean of five numbers 1.5 times their median.

mean = (8+18+36+62 + x)/5

median = 36

mean = 1.5 × median

(124 + x) / 5 = 1.5 × 36

124 + x = 5 × 54

x = 270 - 124

  = 146

Therefore we get the largest number as 146.

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Suppose our student center published data that the average starting salary for college graduates is 59k. You randomly sampled 49 college graduates and calculated the sample average salary is 44k. What test can you use to check whether the true average is 59k?.

Answers

To check whether the true average is 59k or not, A sample mean T-Test needs to be conducted.

What is an Average?

In the field of statistics, average means that the ratio of the sum of the numbers of a given set, to the total number of characters in a given set. It is also called as the Arithmetic mean.

It is given that the student center has published the data that the average salary of the college graduates is 59k. Accordingly, the sample of 49 college students were verified and the sample average salary came out to be 44k.

When we analyze the  given question, we find that,

The total number of students were 49,

The true average was found to be 59k,

and the Sample average is found to be 44k.

Thus, in  the present question we will use the One- sample T-test.

We used this test, as the statistical hypothesis test is used to find if the unrecognized population mean is different from the specific value.

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What is 35.7 divided by 0.07

Answers

Answer:

510

Step-by-step explanation:

Answer: The answer is 510

Step-by-step explanation:

35.7/0.07 = 510

Are the following lines parallel, perpendicular, or neither?
y = 3(x + 7)

y + 5 = -1/3x

O parallel
O perpendicular
O neither

Answers

Answer:

perpendicular

Step-by-step explanation:

Find the slope for both lines and compare. Same slope would mean parallel. Different slopes means intersecting lines. But specifically if the slopes are opposite sign and reciprocals (one is flipped over from the other) then they are perpendicular.

Put them in slope-intercept form to find the slope.

y = mx + b

m is the slope (number by the x)

y = 3(x+7)

distribute the 3.

y = 3x + 21

This line has a slope of 3.

y + 5 = -1/3 x

y = -1/3 x - 5

This line has a slope of -1/3.

-1/3 and 3 are negative reciprocals. They have opposite signs. Also 1/3 is just 3 but flipped over. They are perpendicular.

What is the value of the rational expression below when x is equal to 5?
15-x
x-10
OA. 10
O.B. -2
OC. 2
O D. -10

Answers

Answer: A. 10

Step-by-step explanation:

Plug in x which is 5 to equation 1

15-5=10

Plug in x which is 5 to equation 2

5-10= -5

the polynomial that represents the volume of the box is 6x3 32x2 2x - 40. find the volume of the box if x is 4 inches.

Answers

the polynomial that represents the volume of the box is is 6x^3 +5x^2 -3x-2

V=lwh

l=x+1

w=2x+1

h=3x-2

V=(x+1)(2x+1)(3x-2)

V=(x*2x+x*1+1*2x+1*1)(3x-2)

V=(2x²+x+2x+1)(3x-2)

V=(2x²+3x+1)(3x-2)

V=2x²*3x+2x²*(-2)+3x*3x+3x*(-2)+1*3x+1*(-2)

V=6x³-4x²+9x²-6x+3x-2

V=6x³+5x²-3x-2

complete question is

Find the volume of the box. Use the formula V = lwh.

Rectangular box with sides x plus 1, 2x plus 1, and 3x minus 2.

6x3 – 2

6x3+ x – 2

6x3 – 13x2 – 3x – 2

6x3 + 5x2 – 3x – 2

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Tessa has a new beaded necklace. 18 out of the 45 beads on the necklace are blue. What
percentage of beads on Tessa's necklace are blue?

Answers

Answer: 40%

Step-by-step explanation: 18/45 = x/100

divide 100 by 45 and you get 2.22 repeating.

multiply 2.22 by 18 and you get 40%

Evaluate the expression and enter your answer in the box below.
|42|

Answers

Answer:

42

Step-by-step explanation:

because the distance between 42 and zero is 42

Zahra used a 40% discount coupon while purchusing new clothes . her total bill , after discount , was AED 600. What was the original amount of the bill?

Answers

Answer:

AED 1000

Step-by-step explanation:

The  price is 600 after 40% discount

if original price is ,

100% : x = 60% : 600

1 : x = 0.6 : 600

600 = 0.6x

 x = 1000

Step by step please help asap !!!!!!!

Answers

Answer:

3,31

Step-by-step explanation:

i dont got steps for this but i think thats the right answer

Ernesto guesses there are 69 marbles in a jar, but there are actually 60.

What is the percent error in Ernesto's guess?

Answers

Answer:

15%

Step-by-step explanation:

Since the problem is to find how much 69 is as a percent if 60 is 100%, we can use a rule of three, simple, direct proportion to do it:

60 = 100%

68 = x

x = 69x100/60

x = 115

That means 69 is 115% of 60, which means that the error is of:

115 - 100 = 15%

Hope this helps, have a great day! :D

if the measure of an interior angle of a regular polygon is 120 degrees, how many sides does the polygon have?

Answers

Answer:

6 sides

Step-by-step explanation:

since the measure of an interior angle of a polygon can be found with the formula 180(n-2) / n where n is the number of sides we can substitute 120 to the answer and cross multiply to find that

120n = 180(n-2)

120n = 180n-360

360 = 60n

n = 6

josh and dan each want to save $600 to attend a sports camp. josh has saved 60% of the amount. dan $320 .who saved more money?

what number solud you multipluy both sides by to solve for x

Answers

The amount of money that Josh has is more than the amount of money that Dan has.

What is the percentage?

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates for one hundred percent. It is symbolized by the character '%'.

The percentage is given as,

Percentage (P) = [Final value - Initial value] / Initial value x 100

Josh and Dan each need to save $600 to go to a games camp. Josh around has saved 60% of the amount. Dan has $320.

The amount of money that Josh has is given as,

⇒ 60% x $600

⇒ 0.6 x $600

⇒ $360

The amount of money that Josh has is more than the amount of money that Dan has.

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In triangle , the measure of angle is 50° and the measure of angle 70°. What is the measure of the exterior angle to angle ?

Answers

Answer:

60

Step-by-step explanation:

50+70=120

180-20=60

Answer:

120°

Step-by-step explanation:

Your question didn't include an image or angle names, so it was pretty confusing to get what you were asking for. If you were asking for the exterior angle of the missing angle, then here's your answer:

The 3 angle measures of a triangle will always equal 180.

Since we've already got two angles, all we need to do is a simple equation to get our missing angle:

180-(50+70)=60

Now that we've got the missing angle, we need to calculate the exterior angle, the thing we're here for. We know (hopefully at this point) that an exterior angle and its interior angle are a linear pair, meaning that the two add up to 180. Knowing this, we can do this equation to finish off the question:

180-60=120

And there's your answer, 120°

There's also a shorter way of doing this, let me know if you'd like to see it. But for now, hope I helped!

You spin the spinner and flip a coin. Find the probability of the compound event.

The spinner is divided into 5 equal regions with numbers 1,2,3,4,and 5

The probability of spinning an even number and flipping heads is

Answers

The probability of spinning an even number and flipping heads is 1/5

How to determine the probability?

The sections on the spinner are given as

Sample space (sections) = {1, 2, 3, 4, 5}

These sections mean that

P(Even number) = Count of even numbers/Number of sections

So, we have the following representation

P(Even number) = 2/5

Also, we have

Coin = {H, T}

This means that

P(Head) = 1/2

So, we have the probability equation

P(Even and Head) = P(Even) * P(Head)

This gives

P(Even and Head) = 2/5 * 1/2

Evaluate

P(Even and Head) = 1/5

So, the probability is 1/5

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|-2c-3| > -4
Absolute value inequality

Answers

The solutions of the absolute value inequality.

|-2c-3| > -4

are all the real numbers.

How to solve the absolute value inequality?

Here we have a really trivial inequality, which is:

|-2c - 3| > -4

Notice that we have an absolute value there, and the absolute value is defined as:

|x| = x   if x ≥ 0

|x| = -x if   x < 0

Then the absolute value |x| is always equal to or larger than zero, so:

|x| > -4

Is true for any value of x.

Then our inequality:

|-2c - 3| > -4

Is true for any value of c, because the left side is always equal to or larger than 0, and 0 > -4

So c can be any real number.

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