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Juliette [100K]
3 years ago
11

ASAP PLZ WILL GIVE BRAINLIEAT AND SHOUTOUT!

Mathematics
1 answer:
Vadim26 [7]3 years ago
6 0
Hi there!

The formula for the perimeter of a rectangle is P = 2 (l + w).

We can simplify this formula so that we can find the solutions easier.
P = 40

40 = 2 (l + w)
divide both sides by 2

40/2 = l + w
20 = l + w

So the length + width has to equal to 20.

So your answers would be B , C , D.
Hope this helped! :)
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Norma's retirement party will cost $24 if she invites 12 guests. If there are 13 guests, how much will Norma's retirement party
blagie [28]

Answer:

If there are 13 guests, it would cost Norma $26

Step-by-step explanation:

Since 12 guest equals 24 dollars all you have to do is divide 24/12 which would give you 2dollars. this means that she has to pay 2 dollars per guest. Multiply 13 becuase you want to know how much money it would cost with 13 guests and you get 26 dollars. Hope this helps.

8 0
3 years ago
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-4 1/2, -5.6, -2 3/8, 2.35 from least to greatest
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Hello!

-2 3/8, -5.6, -4 1/2, 2.35.

Those are ordered from least to greatest!

I really hope you found this helpful! c:
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Marco wants to set up 12 small wind turbines with 3 blades each. If 4 wind turbine blades cost $79.74, how much will all the bla
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4 0
3 years ago
Given f(x) = 2x – 3, find the x value such that f(x) = 8.
jok3333 [9.3K]

Answer: 5.5

Step-by-step explanation:

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4 0
2 years ago
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Suppose that the cost of producing x tablets is defined by c(x)= 200 + 10x + 0.2x squared* where x represents the number if tabl
sammy [17]

we are given

C(x)=200+10x+0.2x^2

part-A:

Since, x is number of tablets

C(x) is cost of producing x tablets

so, vertical box is C(x)

so, we write in vertical box is "cost of producing x tablets"

Horizontal box is x

so, we write in horizontal box is "number of tablets"

part-B:

we have to find average on [a,b]

we can use formula

\frac{C(b)-C(a)}{b-a}

we are given point as

a: (15 , 395)

a=15 and C(15)=395

b: (20, 480)

b=20 , C(20)=480

now, we can plug values

=\frac{480-395}{20-15}

=17...........Answer

part-c:

we have to find average on [b,c]

we can use formula

\frac{C(c)-C(b)}{c-b}

we are given point as

b: (20, 480)

b=20 , C(20)=480

c:(25,575)

c=25 , C(c)=575

now, we can plug values

=\frac{575-480}{25-20}

=19..............Answer


5 0
3 years ago
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