Question

WILL FAN + MEDAL FOR 5 QUESTIONS!!!!

Answer 1

Which inequality models this problem?



The length of a rectangle is three times its width. If the perimeter is at most 112 centimeters, what is the greatest possible value for the width?

Answer 2

@ParthKohli @mathmate @UnkleRhaukus

Answer 3

@UnkleRhaukus please help!

Answer 4

My choice is D
2w + 2 • (3w) ≥112



2w + 2 • (3w) < 112



2w + 2 • (3w) > 112



2w + 2 • (3w) ≤112

Answer 5

what is a formula for the perimeter of a rectangle ? ( in term of length l, and width w)

Answer 6

No we dont have to solve it

Answer 7

We need to make/find the inequality

Answer 8

The perimeter is \[P = \ell+w+\ell+w = 2\ell + 2w\]

Answer 9

right ?

Answer 10

Am I right???? I think its D because at most is < with _ under it

Answer 11

hmm, that is a short cut yes

Answer 12

Well ueah but I have done the problem and I got D! Also like i said....... The at most sign is < with _ under it

Answer 13

yeah

Answer 14

Ok so am I right?

Answer 15

yes, yeah, maybe. YES

Answer 16

Really dude come on!

Answer 17

Yes or No!

Answer 18

As you say, the only difference between the options is the inequality sign,
and ` ≤ ` is the same as ` at most `

Answer 19

Which inequality models this problem?



Eduardo started a business selling sporting goods. He spent $7500 to obtain his merchandise, and it costs him $300 per week for general expenses. He earns $850 per week in sales. What is the minimum number of weeks it will take for Eduardo to make a profit?

Answer 20

is this another multiple-choice, where the options are the same up unto the inequality sign?

Answer 21

Yes / No / Maybe ?

Answer 22

300w > 7500 + 850w



850w > 7500 + 300w



850w < 7500 + 300w



850w ≥ 7500 + 300w

Answer 23

The choices

Answer 24

consider the weekly profit :

sales - expenses

how many week do you need to for the profit

weekly profit * weeks

to be greater than the cost of the merchandise

Answer 25

My choice is A

Answer 26

Consider, if A were true, would Eduardo ever turn a profit on the business?

Answer 27

yes

Answer 28

how many weeks (w), do you think?

Answer 29

15

Answer 30

let's check

A:
300w > 7500 + 850w ?

300(15) > 7500 + 850(15) ?
4500 > 7500 + 12750 ?
4500 > 20250 ?

Answer 31

Well how would we get the inequality

Answer 32

consider the weekly profit :

sales - expenses

how many week do you need for the profit:

weekly profit * weeks

to be greater than the cost of the merchandise


(sales - expenses)weeks > merchandise

Answer 33

C then

Answer 34

(sales - expenses)weeks > merchandise

(sales)weeks - (expenses)weeks > merchandise

(sales)w - (expenses)w > merchandise

Answer 35

B????? Dude, the 300 is at the end

Answer 36

how did they get get the + 300w as the last term on most of the options

Answer 37

ok I really dont understand

Answer 38

(sales)w - (expenses)w > merchandise
(sales)w > merchandise + (expenses)w

Answer 39

expenses, right?

Answer 40

So it is B

Answer 41

Well am i right?

Answer 42

how many weeks does that correspond to?

Answer 43

8?

Answer 44

What do we have to do to solve it?

Answer 45

let's check

B:
850w > 7500 + 300w

850(8) > 7500 + 300(8) ?

6800 > 7500 + 2400 ?

Answer 46

So its B??

Answer 47

Dude you litterally going around everything....

Answer 48

is 6800 > 7500 + 2400 ?
is 6800 > 9900 ?

Answer 49

Where did you get the figure of 8 weeks from ?

Answer 50

6800>9900+12300

Answer 51

um

Answer 52

um what?