MATHEMATICS MIDDLE SCHOOL

Three sections of fence need to be painted each section is made up of four equal sized boards Alexs paints 1/6 of the fence bobby pins twice as much as Alex Charles paints only one board David paints the rest who paints the largest part of the fence

Answers

Answer 1
Answer: If you would like to know who paints the largest part of the fence, you can calculate this using the following steps:

three sections of the fence ... 3 sections
four equal sized boards ... 4 boards
3 * 4 = 12 boards

Alex: 1/6 of 12 boards = 1/6 * 12 = 2 boards
Bobby: twice as much as Alex = 2 * 2 boards = 4 boards
Charles: 1 board
David: 12 - 2 - 4 - 1 = 5 boards

Result: The largest part of the fence paints David (5 boards).

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What is 225/23*488-236b=4428

Answers

\sf (225)/(23) (488)-236b = 4428 \n \n (109800)/(23) + - 236b = 4428 \n \n -236b + (109800)/(23) = 4428 \n \n -236+ (109800)/(23) - (109800)/(23) = 4428 - (109800)/(23) \n \n -236b = (-7956)/(23) \n \n \boxed{{{\huge{{\bold{b = (1989)/(1357) }}}}}}

What will be the total cost of Devon's first year?How much financial aid will Devon receive for his first
year?
Devon plans to attend college. He has estimated the
costs for his first year.
Tuition = $3,600
Other educational expenses = $450
Housing and living expenses = $4,000
His financial aid counselor says Devon will receive
$2,100 that year in grant money, and that he's eligible for
a work-study program that will pay $2,300 his first year.
Devon also will receive a scholarship for $1,000.
How much money will Devon need to save to cover his
first year of college?

Answers

Answer:

$8,050 1

$5,400 2

$2,650 3

Step-by-step explanation:

Answer:bbb

Step-by-step explanation:

I’m confused.. please help

Answers

Answer: 4.58

Step-by-step explanation: 2^2+X^2=5^2

25-4=21

the square root of 21 is 4.58

Answer:

x = 4.5

Step-by-step explanation:

Fine the area of a circle with a radius of 7 in. Write the formula, substitute, solve.

Answers

Formula: A=(pi)r^2

Substitution: A=3.14(7^2)

                     A=3.14(49)

Solve: A=153.86 in^2


*I personally like to use the pi sign on my calculator to multiply the radius squared by, but my keyboard did not have a pi sign.  Usually, the pi sign is more exact.  If you used the pi sign, your answer would be 153.94 inches^2.  Hope this helps!

tim,kara and ann are working together to write a 4page report each student are going to do an equal amount of writing. what fraction of entire report does each student need to write

Answers

Theres three people. So each person needs to do one third (1/3) of the report. 

The report is 4 pages long. So now calculate how much 1/3 of 4 is 

= 1/3 * 4 
= 4/3 
= 1 1/3 pages 

So each person needs to do one and a third pages. 

And if you think about it it makes sense. three people EACH doing one page (1 +1 +1 = 3 pages) and a third of a page (1/3 + 1/3 +1/3 = 1 page) = 4 pages (3 pages + 1 page)
Do 4/3 because there is 4 pages and you get 1.3, 1.3 is how much each person does and 1.3 is 1/3 of 4 so each person has to do a page and a third or 1/3 of the report

Which sets of numbers are closed under addition?Choose all answers that are correct.

A.
whole numbers

B.
natural numbers

C.
negative integers

D.
integers

Answers

All of the answers are correct because when ever you add any of these numbers to themselves, the answer will always be from that set of numbers. For example, negative+negative= negative. Hope this helped!

I think it's A. whole numbers
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