PLEASE HELP!!!‼️‼️‼️ I need help with question 14 a and b show your work please‼️

Answers

Answer 1

Answer: a. The change after 1 hour is 2 inches because 6x10=60 (minutes) and you multiply 1/3 by 6/1 and get 6/3 or 2 inches.

b. The change after 2.25 hours is 4 1/2 inches because 2x2=4 and .25 (1/4) of an hour is 15 minutes so take 1/3 and multiply it by 1/2 (half of 10 is 5 and 10+5=15 min.) and you get 1/6 and then you add 1/3 and 1/6 together to get 1/2. So together it is 4 1/2 inches.

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(4 tens 3 ones)x10 in unit form and standard form

Answers

The number standard form of ( 4 tens 3 ones )x10 will be 430.

What is a number unit place system?

By describing the specific digit's position in the number, such as ones, tens, hundreds, or thousands, the place value system determines each digit's value in the number.

A numeral system is a way of writing numbers; it's a way of mathematically notating a collection of numbers by utilizing a consistent set of digits or other symbols.

(4 tens 3 ones)x10 in unit form can be written in a standard form as below:-

Standard from = (4 tens 3 ones) x 10

Standard from = 43 x 10

Standard from = 430

Therefore, the number standard form of ( 4 tens 3 ones )x10 will be 430.

To know more about the number unit place system follow

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it will be 430 for this andwer ask me for more

A certain bean plant grows 15 % of it's height each day

a.express this percent as a decimal

b.today after 10 days the plant is 27inches tall. how tall was it yesterday

Answers

a) 0.15
b) approximately 23.71 inches

27=1.15^10*x
27= approx 4x
27/4=x
x= approximately 23.71 inches

A. 0.15
B. I think I was 23.4781 inches.
Happy to Help!

The volume of a cube is 512 cm3. What would change if the volume of the cube were measured in cubic meters?

Answers

$1\ m=100\ cm\ \ \ \Rightarrow\ \ 1\ m^3=1,000,000\ cm^3\ \Rightarrow\ \ 1\ cm^3=0.000001\ m^3\n \n512\ cm^3=0.000512\ m^3$

Marisa painted 1/2 of her bedroom in 3/4 of an hour. At this rate, how long would it take her the paint the entire room?

Answers

Answer: 1 1/2 hours or 90 minutes

Step-by-step explanation: Painting 1/2 of her bedroom took 3/4 an hour or 45 minutes. At the same rate, it would take her another 3/4 of an hour or 45 more minutes. Add it together to get 90 minutes or 1.5 hours to paint the full room.

One month, Jon worked 3 hours less than Chaya, and Amgelica worked 4 hours more than Chaya. Together they worked 196 hours. Find the number of hours each person worked.

Answers

Okay lets look at the problem first
so Chaya is our X Value
and we know that the total is 196
lets divide the total by 3
so we have 65.1
lets forget the point one for now
know if each person worked 65 hours this would be over
but we know that Jon Worked 3Hours less then Chaya that would put him at 62
Know we need to put that 3 hours to the side and remember we havnt used it yet
And we know that Amgelica worked 4 more hours then Chaya andwe still have 4 hours left over so that puts her at 69 hours
so Jon (a) worked 62 hours
Amgelica (b)worked 69 hours
and Chaya (c)at 65
a+b+c=196
62+69+65=196
I hope this helped

What all the multiples of 81?

Answers

3,9,27 ( the 9 can be multiplied by itself to get 81 9*9)

3,9,27 are the answers of the multiples of 81

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