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
alexgriva [62]
3 years ago
8

The mean age of 5 people in a room is 28 years.

Mathematics
1 answer:
lina2011 [118]3 years ago
4 0

Answer:

174

Step-by-step explanation:

You should look at the mean and do this:

5*28 so now you know all the ages which is 140 now you do 140/29 and you get 4.8....... so you  can see that the answer is 174

You might be interested in
Fraction between 1/2 and 1/4 that has denominator of 19
lorasvet [3.4K]

Answer:

6/19

Step-by-step explanation:

Sine 19 divided by 2 is 9.5 and 19 divided by 4 is 4.75, you can choose any number from 4.75 to 9.5.

8 0
3 years ago
Law of reflection. Easy question please help (picture included)
PIT_PIT [208]
<span>Simple. The Law of Reflection states that the angle of incidence is equal to the angle of reflection. These two angles are measured relative the normal line (line perpendicular to the surface). The angle of reflection is therefore 34 degrees also.  However, since the question is asking for the angle relative to the mirror, then the answer is 90-54 = 36</span>° Thus your answer is C. 36°
6 0
3 years ago
Which of the following values are solutions to the inequality 1+5x&lt;4?<br> I.6 <br> II.5<br> III.2
Paraphin [41]

Answer:

x < .6

Step-by-step explanation:

1+5x<4

Subtract 1 from each side

1-1+5x<4-1

5x<3

Divide each side by 5

5x/5 <3/5

x < .6

4 0
2 years ago
What is the sum of the first 39 positive odd numbers?
liq [111]
1-39 ODD:
1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39
Now you'd add them all up.
1+3+5+7+9 = 25
11+13+15+17+19 = 75
21+23+25+27+29 = 125
31+33+35+37+39 = 175
Add the totals:
25+75+125+175
The answer would be 400.
7 0
3 years ago
What is a sign of a rational number?
Oliga [24]

the answer is Q (or q)

7 0
2 years ago
Other questions:
  • Solving a word problem involving rates and time conversion
    6·1 answer
  • Solve these equations for brainliest &lt;3
    7·1 answer
  • Amanda's car gets 27 miles per gallon. If her tank holds 22 1/2 gallons how many gmiles can she drive on one tank of gas
    7·1 answer
  • Area of a triangle base is 23 height is 28 write answer as a decimal if necessary
    11·2 answers
  • Need help with a math question
    10·1 answer
  • 2x + 5 = 10
    6·2 answers
  • Draw and label the final image of △ABC after the given sequence of transformations. Reflect △ABC over the y−axis and then transl
    10·1 answer
  • Some of the dimensions of a square pyramid are shown in the diagram. The height of the square pyramid is 5.1 meters.
    7·2 answers
  • Meredith needs $399 to buy a tablet computer. She wants
    10·1 answer
  • Sterling works at a bakery. In the morning, he baked 3 1/2 batches of cookies. He sold some of the cookies and had 1 1/2 batches
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!