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
Triss [41]
2 years ago
6

The mean length of 7 childrens' index finger is 9.4cm. The mean length of 5 adults' index finger is 10.2cm. What is the mean len

gth (rounded to 2 DP) of these 12 people's index finger?
Mathematics
2 answers:
stira [4]2 years ago
8 0

Answer:

9.7 cm

Step-by-step explanation:

Deffense [45]2 years ago
3 0

Answer:

9.73  cm to 2 DP

Step-by-step explanation:

Total of the  lengths involved = 7*9.4 +  5*10.2

= 116.8 cm

So the mean of the 12 fingers

= 116.8/12

= 9.73  cm to 2 DP.

You might be interested in
GIVING BRANIEST FOR #5
Flura [38]

Answer:

we need to see the other page or we cant solve it

Step-by-step explanation:

6 0
3 years ago
Polygon ABCD is a przimage of an enlargement with a scale factor of 3 and a
Flura [38]

i dont think you have a whole question down and we need examples of the triangles so please shw examples

4 0
3 years ago
If melba rode her bike 7/8 miles in 1/4hour. what is the unit rate in miles per hour
kari74 [83]
3.5 miles per hour. 7/8 (.875) divided by 1/4 (.25)  equals 3.5. Hope this helps!
4 0
3 years ago
The graph below shows a quadratic function f(x) and an absolute value function g(x)
Katen [24]

Answer:

I believe it should be b and d

Step-by-step explanation:

hoped it helped :)

8 0
3 years ago
jared is painting a wall in his living room that is 20 feet high and 18 feet long there are 3 windows on the wall each window is
SSSSS [86.1K]

20 high x 18 long = 360 square feet

3 windows x (4 high x 3 long) = 3 windows x 12 square feet = 36 square feet

360 - 36 (because we obviously don't paint windows) = 324

324 square feet to paint on one wall

3 0
4 years ago
Other questions:
  • What's the REAL square root of pi?
    11·1 answer
  • After paying 28% percent income tax, dan’s income is $64,600. What is his annual income?
    14·1 answer
  • Two-fifths of a number is decreased by three. Find the value of the expression if the number is twenty-five.
    6·2 answers
  • Mark wants to know how many families in his neighborhood plan to attend the neighborhood party. He puts all 80 of the neighborho
    13·2 answers
  • Find the annual interest rate. Round your answer to the nearest hundredth of a percent. I=$160.67, P=$2000, t=8 monthsI=$160.67,
    8·2 answers
  • What is the value of angle marked with x
    15·1 answer
  • Given f(x) =7x-4, find the average rate of change over from x=2 to x=4.
    10·1 answer
  • For each angle θ listed below, find the reference angle α, and then find sin θ. Round sin θ to four decimal places, if necessary
    14·1 answer
  • Can someone tell me if im right? PLEASE DONT JUST SAY YES if you don’t know
    12·1 answer
  • a farmer has 100m for fence avaibiable, with which he intends to build a pen for his sheep. he intends to create a rectangular p
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!