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Zielflug [23.3K]

3 years ago

13

Can someone please help me?

1 answer:

Eddi Din [679]3 years ago

5 0

To solve these types of problems, we need to break it down and see what each part represents.

(11) 3m
(12) j-10
(13) d+4
(14) 4p

All we must do is understand some basic keywords, such as times which represents multiplication, less which represents subtraction, and more which can represent addition or multiplication.<span />

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Anthony has 400 marbles. He sells 1/4 of the marbles to Jayveon, he gives 10% to Abdul and donates 10 marbles to his little brot

Georgia [21]

Answer: See explanation

Step-by-step explanation:

Number of marbles = 400

Anthony sells 1/4 of the marbles to Jayveon. This will be:

= 1/4 × 400

= 100 marbles

Anthony gives 10% to Abdul. Abdul will have:

= 10% × 400

= 0.1 × 400

= 40 marbles

He gave 10 marbles to his little brother.

The number of marbles that Anthony has left will be:

= 400 - (100 + 40 + 10)

= 400 - 150

= 250 marbles

8 0

3 years ago

According to postal regulations, a carton is classified as "oversized" if the sum of its height and girth (the perimeter of its

kotykmax [81]

Answer:

18" X 18" X 36"

Step-by-step explanation:

Given a square base container of height h, let a side of the base =s

The volume of the container, $V= s^2h$

If the sum of its height and girth (the perimeter of its base) equals 108 in

$4s+h = 108\\h = 108-4s$

Substituting h=108-4s into V

$V= s^2(108-4s)$

We are required to determine the maximum volume of such container, first we take the derivative:

$V'(s)= s(216-12s)$

Optimizing:

$s(216-12s)=0\\216-12s=0\\12s=216\\s=216 \div 12\\s=18$

Recall that: h = 108-4s

$h = 108-4(18)=108-72=36inch$

The dimensions of the carton are 18" X 18" X 36".

4 0

3 years ago

Adam is 2 years older than mike. the square of adam's age is 28 greater than the square of mike's age in years. what is the sum

swat32

Let Mike be m and Adam be m+2. Then:
m²+28=(m+2)²
m²+28=m²+4m+4
4m=24
m=6
Mike is 6; Adam is 8
☺☺☺☺

7 0

3 years ago

Read 2 more answers

Nine is more than twice n.

ella [17]

I hope this helps you

9=n.n

3.3=n.n

n=3

6 0

3 years ago

Select all the correct answers.

Ad libitum [116K]

C and D are correct I believe. Due to distribution they are the same answer!

4 0

2 years ago

Read 2 more answers