Ask question

Ask question

All categories

3 years ago

11

The mean length of 9 childrens' big finger is 8.5cm. The mean length of 7 adults' big finger is 16.4cm. What is the mean length

(rounded to 2 DP) of these 16 people's big finger?

1 answer:

Eddi Din [679]3 years ago

6 0

Step-by-step explanation:

(8.5 cm + 16.4 cm) ÷ 16

= 24.9cm ÷ 16

= 1.25

= 1.25 cm

You might be interested in

Jonathan had 28 papers in his desk his teacher gave him n more papers write an expression that represent the number of papers Jo

Delvig [45]

Answer:

x=28+n

Step-by-step explanation:

So, the teacher is giving Jonathan papers so we know its addition.

28+n

So lets have x equal the amount of papers he has on his desk after the new papers are added.

x=28+n

7 0

3 years ago

Read 2 more answers

Special right triangles

fiasKO [112]

Answer:

c

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel.

goldfiish [28.3K]

Answer:

B is the correct answer

Kevin is K

Daniel is D

Now: K

K = D + 3

3 years ago:

K - 2 = 4(d - 2)

<h2>YOURE WELCOME, PLEASE MARK AS BRAINLIEST AND FOLLOW ME ❤️❤️</h2>

6 0

3 years ago

Read 2 more answers

PLEASE HELP ME!! PLEASE DON'T ANSWER IF YOU ARE NOT PSOTIVE ON WHAT THE ANSWER IS!!!

Talja [164]

Answer:

its A

Step-by-step explanation:

im not gonna step by step it becuase i dont have time but its A

5 0

2 years ago

Read 2 more answers

(m? - 5 m +6 )<br>÷(m - 2)

leonid [27]

Answer:

(m? - 5 m +6 ) ÷ (m - 2) = $\frac{m}{-5m+6} / (m - 2)$

Step-by-step explanation:

Divide the first expression by the second expression.

$\frac{m}{-5m+6} / (m - 2)$

I hope this helps.

4 0

2 years ago

Read 2 more answers