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
tamaranim1 [39]
3 years ago
5

Help with this math equation please help

Mathematics
1 answer:
Alex787 [66]3 years ago
4 0

Answer:

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because the number of their mean merits received is higher than that girls.

Step-by-step explanation:

Mean = \frac{sum of merits}{number of merits}

Sum of merits received by boys = 5 + 10 + 19 + 22 + 13 + 10 + 1

                                    = 80

number of merits = 7

Mean number of merits received by boys = \frac{80}{7}

                                           = 11.4286

The mean number of merits received by boys is 11.4

Sum of merits received by girls = 6 + 11 + 15 + 16 + 12 + 10 + 0

                                                 = 70

number of merits = 7

Mean number of merits received by girls = \frac{70}{7}

                                             = 10.0

The mean number of merits received by girls is 10.0

Therefore,

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because their mean merits is higher than that girls.

You might be interested in
ITS DUE TODAY! HELP ME PLEASE
Brums [2.3K]

Mean - 4.19

median - 4

modes - 0,1,1,2,2,3,3,3,3,3,4,4,5,5,5,6,7,7,7,8,9

range - 9

interquartile range - 4

8 0
3 years ago
Three families visited the local fair over a holiday weekend: the rawlins family spent $51 on admission for 2 children and 3 adu
Musya8 [376]

The matrix equation that can be solved to find all the respective costs is;

\left[\begin{array}{ccc}2&3&50\\4&6&100\\2&5&80\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right] = \left[\begin{array}{ccc}51\\90\\78\end{array}\right]

<h3>How to create matrix equations?</h3>

Let cost of admission for children be x.

Let cost of admission for adults be y.

Let cost of admission for carnival tickets be z.

Thus, we have the simultaneous equation as;

2x + 3y + 50z = 51

4x + 6y + 100z = 90

2x + 5y + 80z = 78

Thus, writing this in matrix form gives;

\left[\begin{array}{ccc}2&3&50\\4&6&100\\2&5&80\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right] = \left[\begin{array}{ccc}51\\90\\78\end{array}\right]

Read more about Matrix Equations at; brainly.com/question/11989522

#SPJ1

4 0
2 years ago
5 POINTS!!! Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.
notsponge [240]

Answer:

calculator

Step-by-step explanation:

6 0
3 years ago
Is 13 over 3 (13/3) in decimal form rational or irrational?
sladkih [1.3K]

Answer:

I believe its rational

Step-by-step explanation:

I believe its rational

7 0
3 years ago
What is 2+2, but explain it in an advanced way.
frosja888 [35]
2+2 = 4 because there the number 4 only has four numbers, and when you divide that number into 2 parts you get 2. in conclusion, that is why 2+2 = 4
7 0
3 years ago
Other questions:
  • A square hamburger is centered on a circular bun. Both the bun and the burger have an area of 16 square inches. How far, to the
    7·1 answer
  • Ivan and Tanya share £150 in the ratio of 4:1 how much more does ivan have than tanya
    10·1 answer
  • Find a ratio equivalent to 12/21 with lower terms
    12·2 answers
  • If you bought a stock last year for a price of $73, and it has risen 7.1% since then, how much is the stock worth now, to the ne
    5·2 answers
  • Given △QRS ~ △XYZ, what is the value of tan(Q)?
    10·2 answers
  • A newspaper reports that the population mean annual salary of a full-time college professor in a certain region is exactly $127,
    9·1 answer
  • Plz help me i need to ace this tyvm =3
    12·1 answer
  • If the line x = 3 is the axis of symmetry of a parabola, which coordinates below could be x-intercepts of the parabola?
    8·1 answer
  • In a bag there are red, orange and black counters.
    14·1 answer
  • Please help I’m confused
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!