1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Fantom [35]
2 years ago
12

Select all the stories that can be represented by the diagram.

Mathematics
2 answers:
Inessa05 [86]2 years ago
8 0

Answer: Choice C and Choice D

========================================================

Explanation:

  • Choice A doesn't work because it the $1 should be $7 instead.
  • Choice B doesn't work because it should be Elena spending $7 total on 3 notebooks and a $1 pen. The x is the amount per notebook.
  • Choice C does work. If x is the number of grapes Noah gives each friend, then 3x is the total amount Noah gives over. Then 3x+1 is the number of grapes total. That +1 at the end is the grape Noah eats. We end up with 3x+1 = 7 because Noah starts off with 7 grapes.
  • Choice D works also. The x is the number of hours for math, science and history each. So 3x is the combined time of those three classes. Add on 1 to get 3x+1 to represent all 7 hours, ie 3x+1 = 7.
  • Choice E does not work. If it was her spending $7 on 3 markers and a $1 pen, then it would work.
Zinaida [17]2 years ago
7 0

Answer:

[] Noah shares 7 grapes with 3 friends. He eats 1 and gives each friend the same number of grapes.

[] Andre studies 7 hours this week for end-of-year exams. He spends 1 hour on English and an equal number of hours each on math, science, and history.

Reasoning:

[✗] The first story, with Diego, does not work because the whole is $1 in the problem and $7 in the diagram.

[✗] The second story, with Elena, does not work because the 7 is ignored entirely and the x becomes a known value, 57.

[✓] The third story, with Noah, does work because he splits seven grapes equally among three friends (the x's) and eats one.

[✓] The fourth story, with Andre, does work because 7 hours were spent studying. One on English and the rest (three subjects) split evenly (x).

[✗] The fifth story, with Lin, does not work because the total is $3 when it should be 7.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

You might be interested in
What is the volume of the cube below? <br> A. 16x^2 <br> B. 4x^2 <br> C. 4x <br> D. 16
bezimeni [28]

Answer:

B. 4x^2

Step-by-step explanation:

Volume of the cube

= 4 \times x \times x \\  \\  = 4 {x}^{2}

8 0
3 years ago
Read 2 more answers
John accepted a reduction of 15% on his salary when his company was not doing well. Now his company's financial position has imp
o-na [289]
To reverse a percentage decrease you divide it by the decrease (+ 100%)
For example we will pick the number, 100, which is decreased by 15% to 85.

To make 85 back to 100 we divide it by the decrease (1-0.15):
85 / 0.85 = 100

To find out how much 85 increased to get back to 100, we do:
15 / 85 = 0.1765 = %17.65

15 is the reduction/difference, and 85 is the with reduction total.

Because percentages stay the same, this is applicable to any numbers, from this, we know that whenever something is reduced by 15% - when restored to it's original is increased by %17.65

The answer is %17.65


6 0
3 years ago
Which option equals tan 40°? Select all that apply.
Sonbull [250]
Answers:
(sin40)/(cos40) and
(cos50)/(sin50)
4 0
3 years ago
Multiple 1.229 by 15 and round to the nearest cent
podryga [215]
When you multipy 1.229 x 15 your answer is 18.435. Rounding to the nearest cent will only include 2 numbers after the decimal. Looking at 18.435, the last number, 5 will round your answer to 18.44
7 0
3 years ago
Can I get more specific answers
DanielleElmas [232]

Answer:

Step-by-step explanation:

what do u mean

4 0
2 years ago
Read 2 more answers
Other questions:
  • Complete the inequality.
    13·2 answers
  • Factor the common factor of 5x^2+5x
    14·1 answer
  • What's 5/12 as a decimal
    12·1 answer
  • PLEASE ANSWER I WILL GIVE U BRAINLIEST
    10·1 answer
  • 3/4(x-12) =12 solve for x
    14·2 answers
  • Find the perimeter of the figure. Round to the nearest tenth.
    13·1 answer
  • What sum of money amounts to rupees 8700 in 3 years at the rate of 24 % per annum​
    15·1 answer
  • Red lights flash every 6 seconds. Blue lights flash every 8 seconds. The store owner turns on the lights. After how many seconds
    13·1 answer
  • Write an equation in slope-intercept form for the line with slope 6 and y-intercept -5.
    12·2 answers
  • The diagram show a circle centre 0. write down the mathematical name of
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!