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
goldfiish [28.3K]
3 years ago
12

The mean of 8 numbers is 4,6,4,7,(x),(x+1),8 and 2 is 5. Find x​

Mathematics
1 answer:
arsen [322]3 years ago
5 0

Answer:

X=2.5

Step-by-step explanation:

4+6+4+7+X+(X+1)+8+2/8=5

31+X+(X+1)/8=5

40=31+X+(X+1)

9=X^2+X

X=2.5

You might be interested in
Please just help me with my last 3 question 8 and 9 area and perimeter
irinina [24]
8. Perimeter:5.9*2 or you can write 5.9+5.9 equals to 11.8 then add the 3.4
9.perimeter : 8.2+4.2+9.17
Area:(8.2*4.1)/2
3 0
2 years ago
Which of the following graph represents the function f(x) = -2x³ -x² + 3x +1
Yuri [45]

Answer:

there's no graphs shows :(

3 0
3 years ago
If u can give me the right answer to this question imma mark u brainliest
wolverine [178]

Answer:

v =  \frac{4}{3}\pi  {r}^{3}  =  \frac{4}{3} \pi {(3 \: m)}^{3}  = 36\pi \:  \:  {m}^{3}

6 0
3 years ago
The hypotenuse of a right triangle measures 18 cm and one of its legs measures 10 cm. Find the measure of the other leg. If nece
nirvana33 [79]

Answer:

Step-by-step explanation:

This sounds like a Pythagoras theorem question. So what I would do is 18^2 - 10^2= Ans

Then square root the answer

7 0
2 years ago
Gina has 5 2/6 feet of sliver ribbon and
Alla [95]
When you convert each type of ribbon to a bigger fraction, you get 32/6 feet of silver ribbon by multiplying the denominator by the whole number then adding the numerator. you also get 16/6 feet of gold ribbon. 32-16=16 so Gina has 16 more feet of silver ribbon than gold
5 0
3 years ago
Other questions:
  • Someone please help I genuinely don’t understand
    12·1 answer
  • I will mark BRAINLIEST and 20 points!! Please hurry!!
    9·2 answers
  • The number of problems assigned as homework by a savvy math professor is a function of the length of the class on a particular d
    10·1 answer
  • Marko can bike at an average speed of 5 3\4 min/mi. He bikes at this speed for 86 1\4 min. How many miles does Marko bike
    8·1 answer
  • What is the coefficient of b in the expression b+10? Explain
    12·1 answer
  • A research report claims that mice with an average life span of 32 months will live to be about 40 months old when​ 40% of the c
    6·1 answer
  • HEY GUYS COULD YOU HELP ME WITH THESE TWO QUESTIONS!!! DON'T WORRY YOU'LL GET YOUR POINTS!!
    15·2 answers
  • 3х + 4 = 9x - 8<br> What is the value of X to make the equation true?
    12·1 answer
  • Find the slope and y intercept
    11·1 answer
  • What property is being illustrated -1/3 + 1/3 = 0
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!