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
tatyana61 [14]
3 years ago
9

Imena's math test scores are 83, 93, 78, 89, and 83. She has one more math test this semester. What score most she get on the te

st to have a median score of 85?
Mathematics
2 answers:
marshall27 [118]3 years ago
8 0
87 is the median because 83 and 87's average is 85.
ASHA 777 [7]3 years ago
5 0
Mean = (83 + 93 + 78 + 89 + 83 + x)/6
85 = (426 + x)/6

Multiply both sides by 6 to remove the denominator on the RHS of the equation
85 * 6 = [(426 + x)/6] * 6
510 = 426 + x
510 - 426 = x
84 = x

x = 84
She has to get a score of 84 to have a median score of 85.

You might be interested in
What is the measure of
Anastasy [175]

<em>Hey</em><em>!</em><em>!</em><em>!</em>

<em>here</em><em>'s</em><em> </em><em>your</em><em> </em><em>answer</em>

<em>X+</em><em>1</em><em>2</em><em>8</em><em>=</em><em>1</em><em>8</em><em>0</em><em>(</em><em> </em><em>sum</em><em> </em><em>of</em><em> </em><em>angle</em><em> </em><em>in</em><em> </em><em>straight</em><em> </em><em>line</em><em>)</em>

<em>or</em><em>,</em><em>X=</em><em>1</em><em>8</em><em>0</em><em>-</em><em>1</em><em>2</em><em>8</em>

<em>X=</em><em>5</em><em>2</em><em> </em><em>degree</em><em>.</em>

<em>So</em><em> </em><em>the</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em>X </em><em>is</em><em> </em><em>5</em><em>2</em><em> </em><em>degree</em><em>.</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em>

3 0
2 years ago
Read 2 more answers
A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess
statuscvo [17]
Let's start by visualising this concept.

Number of grains on square:
1   2   4   8   16 ...

We can see that it starts to form a geometric sequence, with the common ratio being 2.

For the first question, we simply want the fifteenth term, so we just use the nth term geometric form:
T_n = ar^{n - 1}
T_{15} = 2^{14} = 16384

Thus, there are 16, 384 grains on the fifteenth square.

The second question begs the same process, only this time, it's a summation. Using our sum to n terms of geometric sequence, we get:
S_n = \frac{a(r^{n} - 1)}{r - 1}
S_{15} = \frac{2^{15} - 1}{2 - 1}
S_{15} = 2^{15} - 1 = 32767

Thus, there are 32, 767 total grains on the first 15 squares, and you should be able to work the rest from here.
6 0
2 years ago
Read 2 more answers
A string quartet finds that when they play for donations they earn between $25 and $40 per hour. If they play for 3 hours and di
7nadin3 [17]

Answer:

Option d.$18 to $30

Step-by-step explanation:

we know that

The quartet  earn between $25 and $40 per hour.

so

If they play for 3 hours

then

($25*3)=$75

($40*3)=$120

the quartet will earn between  $75 and $120

Divide the money equally between the four members

$75/4=$18.75

$120/4=$30

therefore

Each member can make between $18.75 and $30

5 0
3 years ago
C=2(y-k) solve for y​
marshall27 [118]

Answer:

\blue{y = \dfrac{C + 2k}{2}}

Step-by-step explanation:

C = 2(y - k)

C = 2y - 2k

C + 2k = 2y

\dfrac{C + 2k}{2} = y

y = \dfrac{C + 2k}{2}

5 0
2 years ago
Write a function rule for the relationship. the amount c of energy you burn and the time t you spend exercising, if you burn Cal
gregori [183]

Answer:

c= 12t

c is the amount of energy you burn, so it'll be the "solution" to the equation. Multiply 12 times the amount of time you spend exercising to find how much energy you'll burn.

6 0
3 years ago
Other questions:
  • Find the coordinates of the circumcenter for triangle DEF with coordinates D(1,3) E(8,3) and F(1,-5) show your work
    11·1 answer
  • When seven times a number is decreased by 66​ the result is 50. what is the​ number?
    14·1 answer
  • NEED HELP!! Scenario #1: You flip a coin and roll a six sided die. What is the probability that you will flip heads and roll a n
    6·1 answer
  • How to write 56/100 as a decimals
    13·1 answer
  • Y=2x+10 find y if x = -2
    5·2 answers
  • Describe the steps you would use to solve the equation 4x + 7 = 15
    6·2 answers
  • Brad spend 3/5 of an hour every day doing his homework. How many hours did he spend on homework in 5 days.
    15·1 answer
  • Find the height of the cone. Round your answer to the nearest whole number.
    15·1 answer
  • Solve the inequality:<br> 2x - 7&lt;-5 or 10x + 5 285
    6·1 answer
  • WILL GIVE BRAINLEST plz help mee
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!