CAN ANYONE HELP ME? :)

Mathematics

1 answer:

wlad13 [49]3 years ago

3 0

-5h - 2

that's really it ;-;

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Plz helpppp will mark brainliesttttt

marishachu [46]

Answer:

Step-by-step explanation:

P=2(L+W), we are given a side of 20 and a side of b

P=2(20+b)

P=40+2b

A) P(6)=40+12=52ft TRUE

B) P(8)=40+16=56ft TRUE

C) P(10)=40+20=60ft FALSE

D) P(12)=40+24=64ft FALSE

E) P(11)=40+22=62ft FALSE

So only A and B are true

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2 years ago

Assume that the value of an automobile is inversely proportional to its age. If it is worth $3,000 when it is two years old, wha

vladimir2022 [97]

If the value of an automobile is inversely proportional to its age it means that as the years pass the value of the automobile will be lower and lower.
 If it is worth $3,000 when it is two years old, in four years when the car will be six-years old the value will be $1,000.

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3 years ago

sewing a border of ribbon onto her rectangular picnic blanket. The long side of the blanket is 70cm and the short side is 40cm.

Strike441 [17]

Answer:

$220$ cm

Step-by-step explanation:

We need to find the perimeter of the rectangular blanket in this case because a border is being sewn onto the blanket. The perimeter of a rectangle can be calculated by multiplying the sum of the rectangle's length and width by 2. As an algebraic expression, that would be $2(l+w)$ , where $l$ is the rectangle's length and $w$ is the rectangle's width. We are given that $l=70$ and $w=40$ . Therefore, $2(70+40)=2*110=220$ cm of ribbon will be needed. Hope this helps!