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Tomtit [17]
3 years ago
7

I need helpppppppppppppo

Mathematics
1 answer:
never [62]3 years ago
6 0

Answer:

25%,  -2x + 3

Step-by-step explanation:

8/24 = 1/4 =.25 = .25%

plug in numbers

PLEASE MARK ME BRAINIEST

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What is an expression for the distance between the origin and a point P(x,y)
kirza4 [7]

Answer:

d =  \sqrt{ {x}^{2}  +  {y}^{2} }

Step-by-step explanation:

Distance between origin (0, 0) and point (x, y) is given as:

d =  \sqrt{ {(x - 0)}^{2}  +  {(y - 0)}^{2} }  \\  \\ \red{ \bold{ d =  \sqrt{ {x}^{2}  +  {y}^{2} } }}

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Find the range for the domain {-3, 1,4.5} f(x) = 2x
exis [7]

Answer:

Step-by-step explanation:

f(x) = 2x2

Range = {f(-3), f(1), f(4), f(5)} = {18, 2, 32, 50}

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PLEASE HELP ASAP!!! 40 POINTS!!! WILL MARK BRAINLIEST FOR BEST ANSWER!!!
Natali [406]

Answer:

5,10,15,20... is A).        20,17,14,11... is B).   1,3,9,27... is C).   and 128,32,8,2 is D)

Step-by-step explanation:

plug in each common difference/ common ratio with each set to see what works

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Would you sing its you by ali gatie or im blue
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Read 2 more answers
A box with a square base and open top must have a volume of 32,000 cm3. find the dimensions of the box that mini- mize the amoun
zmey [24]
Alrighty


squaer base so length=width, nice


v=lwh
but in this case, l=w, so replace l with w
V=w²h

and volume is 32000
32000=w²h


the amount of materials is the surface area
note that there is no top
so
SA=LW+2H(L+W)
L=W so
SA=W²+2H(2W)
SA=W²+4HW

alrighty

we gots
SA=W²+4HW and
32000=W²H

we want to minimize the square foottage
get rid of one of the variables
32000=W²H
solve for H
32000/W²=H
subsitute

SA=W²+4WH
SA=W²+4W(32000/W²)
SA=W²+128000/W

take derivitive to find the minimum
dSA/dW=2W-128000/W²
where does it equal 0?

0=2W-1280000/W²
128000/W²=2W
128000=2W³
64000=W³
40=W

so sub back
32000/W²=H
32000/(40)²=H
32000/(1600)=H
20=H

the box is 20cm height and the width and length are 40cm
7 0
3 years ago
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