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docker41 [41]
3 years ago
12

A triangle has a perimeter represented by the expression 9x + 7

Mathematics
1 answer:
Arturiano [62]3 years ago
8 0

Answer:

D. 25x-5

Step-by-step explanation:

you need to add all the sides of the square to get 16x-12 and then add 9x+7 to get D.

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Michael estimated his mass as 8 kilograms.Is his estimate reasonable?Justify your answer.
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Yes, his estimate is reasonable. But only if Michael is less than 2 years old.
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3 years ago
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Solve x + x + 2 + 2x = -2.
nikdorinn [45]
4x+2=-2
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3 years ago
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The monthly output P of a light bulb factory is given by the formula P = 450LK, where L is the amount invested in labor and K th
Tems11 [23]

Answer:

C(p)  = 4,96 (in thousands of dollars)

l = 2980 $  invest in labor

k = 2980 $ invest in equipment

Step-by-step explanation:

Information we have:

Monthly output   P = 450*l*k       ⇒  k = P/450*l

But the production need to be 4000

Then k = 4000/450*l

Cost of production = l * k     (in thousands of dollars)

C(l)  =  l  + 4000/450*l

Taking derivatives (both members of the equation)

C´(l) = 1 - 400 /45*l²          ⇒ C´(l) = 0          ⇒ 1 - 400/45l²  = 0

45*l² -  400  = 0              ⇒  l²  = 400/45

l = 2.98 (in thousands of dollars)

l = 2980 $ And

k = 400/45*l           ⇒  k 400/45*2.98

k = 2.98  (in thousands of dollars)

C(p) = l + k

C(p)  =  2980 + 2980  

C(p)  = 5960 $

4 0
3 years ago
ILL GIVE BRAINIEST TO WHOEVER IS CORRECT!! PLEASE HELP ASAP!!
IrinaK [193]

Answer:

a) angle CAR =angle BAR

Im so sorry if im wrong

3 0
3 years ago
6TH grade math please help AP EX
hjlf

Answer:

I think the 1st one would be 10...

Step-by-step explanation:

Because 12-2=10 and 18-8=10.

If I'm wrong, im super sorry

5 0
3 years ago
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