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
Virty [35]
3 years ago
10

The event coordinator asks you to determine how many students participated in the track-and-field day. The total number of stude

nts in seventh and eighth grade combined is 584; 58 of them are seventh graders and 38 of them are eighth graders. If 45 of the seventh graders participated in track-and-field day and 78 of the eighth graders participated, about how many total students participated? Describe the process you used to find your answer.
Mathematics
1 answer:
il63 [147K]3 years ago
7 0

Answer:

484 students

Step-by-step explanation:

The event coordinator asks you to determine how many students participated in the track-and-field day. The total number of students in seventh and eighth grade combined is 584; 5/8 of them are seventh graders and 3/8 of them are eighth graders. If 4/5 of the seventh graders participated in track-and-field day and 7/8 of the eighth graders participated, about how many total students participated? Describe the process you used to find your answer.

Solution:

The total number of students = 584

Number of seventh grade students = 5/8 * total number of students = 5/8 * 584 = 365 students

Number of eighth grade students = 3/8 * total number of students = 3/8 * 584 = 219 students

Number of the seventh graders that participated in track-and-field day = 4/5 * 365 = 292 students

Number of the eighth graders that participated in track-and-field day = 7/8 * 219 = 191.625 students ≈ 192 students

Total students that participated = 292 + 192 = 484 students

You might be interested in
If the base is 4, what is the value if the exponent is 2? What if the exponent is -2?
Vikentia [17]

Answer:

In the world of exponents, 4 is the number being raised by the exponent, which is 2.

Let's answer the first question:

If the base is 4, what is the value if the exponent is 2?

  • The base is 4 and the exponent is 2.  We would multiply 4 two times.

4^2= 4*4 = 16

So, it would be 16.

Let's answer the second question:

What if the exponent is -2?

<u>This is the rule for negative exponents:</u>

a^{-x}=\frac{1}{a^x}

Using this rule, we can solve 4^{-2}.

4^{-2}= \frac{1}{4^2}=\frac{1}{16}

So, our answer for the 2nd question is 1/16.

3 0
4 years ago
What scale factor was applied to the first rectangle to get the resulting image?
Valentin [98]

Answer:

Divided by 5.

Step-by-step explanation:

It is five times smaller than the original picture.

3 0
3 years ago
What does this mean-Solve 3!
alisha [4.7K]

Answer:

solve 3 bro duh

Step-by-step explanation:

8 0
3 years ago
Triangle ABC has vertices at A(-2,-3), B(6,-3), C (-1,5). Answer the following and round your answers to
nirvana33 [79]

Answer:

b.) area of triangle= 1/2 base x height

A to B(base)= 8

height= 8

8 × 8= 64

64÷ 2= 32

area of the triangle= 32

I think this is correct aha

7 0
3 years ago
Which triangle is ​△MNO​ similar to and why? △MNO is similar to △GHK by ​ AA Similarity Postulate ​. ​△MNO​ is similar to △DEF b
andrew11 [14]
<span>MNO is similar to GHK by AA Similarity Postulate

   Let's start by listing each triangle and the measurements of all three angles. For each triangle, we've been given the measurements of 2 of the angles and the 3 angle will simply be 180 minus the other 2 angles. I assume you can do the subtraction, so I'll simply list each triangle with all three angle measurements.
 NMO: 79, 22, 79
 GHK: 79, 79, 22
 PQR: 20, 79, 81
 DEF: 82, 22, 76
   And the triangles NMO and GHK are similar to each other since they have the same angles. The order really doesn't matter since it's OK for similar triangles to be rotated or reflected. The key thing to remember in a triangle is that if you've been told what 2 of the angles are, you also know what the 3rd angle is since the sum of the angles of a triangle will always be 180.
So the answer is:
 MNO is similar to GHK by AA Similarity Postulate"</span>
7 0
4 years ago
Other questions:
  • 6y−1.5x=8 solving for y
    15·2 answers
  • CAN sOME One Help!!!!!!!!!!!!!!
    14·2 answers
  • A bag has 90 fruits in it there are 9 times as many oranges as there are apples.
    7·1 answer
  • 9+a=23 what is the answer?
    9·2 answers
  • PLZ HELP 13 POINTS!!!!!!!!!! consider the table below that represents a function... input- 20 | -6 | -10 | 5 | -2 | -17 | 8 | ?
    9·2 answers
  • All isosceles triangles are equilateral.<br> O A True<br> B. False
    8·2 answers
  • Explain the steps you would take to complete this conversion problem.
    15·2 answers
  • School trip has 40 boys and 56 girls. What is the greatest number of groups that can be formed? How many boys and how many girls
    13·1 answer
  • Titanium-51 decays with a half-life of 6 minutes. How many minutes will it take for 480 grams of titanium-51 to decay down to ju
    8·1 answer
  • A cylindrical milk storage tank needs to be built to hold 84.78 cubic feet of milk. The foundation for the tank has already been
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!