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
Oliga [24]
3 years ago
11

The mean of 19 numbers is 17. An extra number is included and the mean increases to 23. What is the extra number?

Mathematics
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

Extra number = (23×20) - (19×17)

= 137

You might be interested in
NO FILE HOSTING LINKS!!!!!!
fgiga [73]

Answer:

A. 7 pounds

B. $1.60

Step-by-step explanation:

For A you Divide 21 by 3

For B you Divide 14 by 9

8 0
3 years ago
Read 2 more answers
Can someone help me real quick
nata0808 [166]

Answer: 7 rides

Step-by-step explanation:

Since it takes $4 to enter the fair, you have

$21.50 - $4 = $17.50 left to spend on rides

$17.50/$2.50 = 7 rides

hope this helps!

7 0
3 years ago
Guys please help me whit this , I got a lot of time doing this please give me the answer
Usimov [2.4K]

Answer:

c

Step-by-step explanation:

this needs evaluation of Bella's income on every chore.

say when c = 1, d = 3.5*1+11= 14.5

c=2 d = 3.5*2+11= 18..evaluate for c=3,4,5.

with that it can be found that bella earns more than sweet t. so choice c

8 0
3 years ago
Read 2 more answers
What is 2(10x+3)+2(4c)
lora16 [44]
Your answer is 140
so yeah i have to keep typing because its too short and im done

5 0
3 years ago
Pls help, I cannot do this and it is due 8-28-20
Jet001 [13]

Answer:

20. J, 21. B

Step-by-step explanation:

20. P = 15 (2) + 8 (2)

      P = 36 ft.

21. 15 - 6 = 9 ft.

8 0
3 years ago
Read 2 more answers
Other questions:
  • The amount of time it takes to complete a reading assignment might be a
    12·1 answer
  • 7x-8y=11<br> 8x-7y=7 solve using substitution
    12·1 answer
  • Which ratio is different from the other three 2/5 610 8/20 12:30
    8·1 answer
  • Which expression is the result of subtracting (Z2-3i)<br> from (Z1 + 2)?<br> A<br> B<br> C<br> D
    13·2 answers
  • Hannah finds purple, blue, and silver space rocks while exploring. 2/3
    10·1 answer
  • Point E is on side BC of rectangle ABCD. let BE =b, EC = c, AE = x,
    15·1 answer
  • one day 17250 people attended a football match work out 17250 as a percentage of 28750 can yall tell me the answer
    6·1 answer
  • What is a necessary step for constructing parallel lines?
    5·1 answer
  • What is the answer to this question?
    11·1 answer
  • Two student clubs were selling t-shirts and school notebooks to raise money for an upcoming school event. In the first few minut
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!