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
fgiga [73]
3 years ago
7

An examination consisting of ten true-or-false questions was taken by a class of 100 students. The probability distribution of t

he random variable X, where X denotes the number of questions answered correctly by a randomly chosen student, is represented by the accompanying histogram. The rectangle with base centered on the number 8 is missing. What should be the height of this rectangle?

Mathematics
1 answer:
Grace [21]3 years ago
4 0

Answer:

The height of this rectangle is 8/10

Step-by-step explanation:

Please see attachment .

You might be interested in
A toy company spends $20 for every doll it makes. Promotion of the dolls costs $400 and the company sells each doll for $30. How
marissa [1.9K]

Since the company spends 20$ on each doll and sells each for 30$ thats a 10$ profit.

If the company spends 400$ on promotion it would take 40 dolls since

400$ / 10$(amount of profit per doll) = 40

so to make the promotion back it would be 40 dolls but the question was to make PROFIT so it must be 41 dolls

6 0
3 years ago
Read 2 more answers
The midpoint of AB is M(4, -1). If the coordinates of A are (2,5), what are the
ozzi

Answer:

(6,-7)

Step-by-step explanation:

take b as x2,y2

then apply mid point formula

x=(x1+x2)/2

y=(y1+y2)/2

8 0
3 years ago
Read 2 more answers
Please help me if you know answer
BartSMP [9]

Answer:

the answer would be 36,57,87 because it has to be equal to 180

and its an acute angle  

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the solution of the equation?
nadya68 [22]

Answer:

q = 4

Fully simplifying this equation gives you answer (A) q = 4

Hope this helps!

8 0
3 years ago
HELP ME PLEASEEEEEEEEEE
Neko [114]
Heres your answer,




Point L.
4 0
2 years ago
Other questions:
  • if a rocket that is launched into space travels at 300 feet per second then how fast is the rocket traveling in yards per minute
    15·2 answers
  • A store has a contest to guess the mass of 10,000 peanuts.If a peanut has a mass of about 0.45 grams, what would be a reasonable
    15·1 answer
  • Choose the best answer *<br><br> Captionless Image<br> a<br> b<br> c<br> d
    9·1 answer
  • A radio-controlled helicopter sells for $20, but needs a lithium battery that costs 25% of that price. A sales tax of 6% will be
    13·1 answer
  • A number is multiplied by 5 and the answer when divided by 3 gives 1315 . what is the number ?
    8·2 answers
  • There are 198 calories in 4 ounces of vanilla ice cream. How many calories are in 6 ounces of vanilla ice cream?
    8·1 answer
  • The sale price of every item in a store is 75% of its usual price. A. The usual price of a jacket is $80, what is its sale price
    5·1 answer
  • Help! Check if my answer is right please, I’m marking brainliest!!!
    13·1 answer
  • Suatu jenis bakteri, setiap detik akan membelah diri menjadi dua, jika pada saat permulaan ada 5 bakteri, berapakah jumlah bakte
    11·1 answer
  • What are the coefficients in the expression 4x - 7y + 5 ?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!