subject

Mathematics, 12.05.2021 19:30 Molly666

Dan wanted to find an equivalent to the expression 3(x + 7) +5. His work is show Step 1: 3(x+ 7) +5= (3x + 7) +5
Step 2: 3(x + 7) + 5 = 3x + ( 7+5)
Step 3: 3(x + 7) + 5 = 3x + 12
In which step, if any, did Dan first make an error?
Step 1
Step 2
© Step 3
Dan did not make any mistakes in his work.

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 20:00

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Answers: 1

question

Mathematics, 21.06.2019 22:30

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Answers: 2

question

Mathematics, 21.06.2019 23:00

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

Answers: 1

question

Mathematics, 22.06.2019 00:30

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Answers: 1

You know the right answer?

Dan wanted to find an equivalent to the expression 3(x + 7) +5. His work is show Step 1: 3(x+ 7) +5...

Questions

question

Business, 13.11.2019 05:31

Which of the following is not true about the demand curve faced by a monopolist? a. the firm's demand curve is the same as the market demand c...

question

Social Studies, 13.11.2019 05:31

In general, the coefficient of static friction is in general, the coefficient of static friction is equal to the coefficient of kinetic friction gre...

question

Physics, 13.11.2019 05:31

An green hoop with mass mh = 2.4 kg and radius rh = 0.14 m hangs from a string that goes over a blue solid disk pulley with mass md = 2.2 kg and radiu...

question

Business, 13.11.2019 05:31

Pinnacle enterprises is expected to have next year’s free cash flow of $14 million. fcf is expected to grow at 5% per year into foreseeable future. pi...

question

Physics, 13.11.2019 05:31

William tell shoots an apple from his son's head. the speed of the 102-g arrow just before it strikes the apple is 26.7 m/s, and at the time of impact...

question

Business, 13.11.2019 05:31

Stan garner resides in illinois and promotes boxing matches for supersports, inc., an illinois corporation. garner createdthe promotional concept of t...

question

Business, 13.11.2019 05:31

On a 100-acre farm, a farmer is able to produce 3,000 bushels of wheat when he hires 2 workers. he is able to produce 4,400 bushels of wheat when he h...

question

Mathematics, 13.11.2019 05:31

Gibbs baby food company wishes to compare the weight gain of infants using its brand versus its competitor's. a sample of 40 babies using the gibbs pr...

question

Business, 13.11.2019 05:31

Department s had no work in process at the beginning of the period. it added 14,600 units of direct materials during the period at a cost of $102,200....

question

Business, 13.11.2019 05:31

Your coworker has just finished preparing a formal report for his manager. you notice that he has used several different fonts and some clip art on th...

question

Computers and Technology, 13.11.2019 05:31

Write an application named seekposition. java that allows a user to enter a filename and an integer representing a file position. assume that the file...

question

Business, 13.11.2019 05:31

He following information was taken from the records of tinker enterprises: 2019 2018 beginning inventory $60,000 $50,000 cost of goods purchased 420,...

question

Business, 13.11.2019 05:31

The ending finished goods inventory should equal 30% of the following month's sales. the ending raw materials inventory should equal 10% of the follow...

question

Medicine, 13.11.2019 05:31

You have been admitted to your local hospital for chest pain. an ekg was performed on you and now you are waiting for a lab technician to draw blood t...

question

Chemistry, 13.11.2019 05:31

Your dog has a mass of 45.5 lb. what is the dog’s mass in kilograms?...

question

Chemistry, 13.11.2019 05:31

When the sun earth and moon are position to form a right triangle high tides are lower than normal true and false...

question

Mathematics, 13.11.2019 05:31

Selena rides her bicycle to work. it takes her 15 minutes to go 3 miles. if she continues at the same rate, how long will it take her to go 8 miles?...

question

Mathematics, 13.11.2019 05:31

What is the limit in miles per hour if the speed limit is 55 km/he? ?...

question

History, 13.11.2019 05:31

The emancipation proclamation announced a) an end to slavery in the confederacy b) the union victory at antietam c) an...

question

Mathematics, 13.11.2019 05:31

If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation? a) 1/5 b) 4/5 c) 5 d) 16...

More questions: Mathematics Another questions

Questions on the website: 13722360