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4 years ago

A bag contains cards numbered 1 through 20. One card is randomly

Mathematics

1 answer:

Svetradugi [14.3K]4 years ago

6 0

Answer:DRAKE

Step-by-step explanation:

Black leather gloves, no sequins

Buckles on the jacket, it's Alyx (whoa)

Nike crossbody, got a piece in it

Got a dance, but it's really on some street

I'ma show you how to get it

It go, right foot up, left foot slide

Left foot up, right foot slide

Basically, I'm saying either way, we 'bout to slide, ayy

Can't let this one slide, ayy

Don't you wanna dance with me? No?

I could dance like Michael Jackson

I could give you passion

It's a Thriller in the trap where we from

Baby, don't you want to dance with me? No?

I could dance like Michael Jackson

I could give you satisfaction

And you know we out here everyday with it

I'ma show you how to get it

It go, right foot up, left foot slide

Left foot up, right foot slide

Basically, I'm saying either way, we…

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PLEASE HELP ASAP I REALLY NEED HELP

madreJ [45]

for x=2....value will be 53

for x=7.....value will be 33

brainliest......

7 0

3 years ago

A manufacturer wants to make open tin boxes from pieces of tin with dimensions 8 in. by 15 in. by cutting equal squares from the

Stells [14]

Answer:

$\frac{5}{3}$ in

Step-by-step explanation:

Let x be the side of square.

Length of box=8-2x

Width of box=15-2x

Height of box=x

Volume of box= $L\times B\times H$

Substitute the values then we get

Volume of box=V(x)= $(8-2x)(15-2x)x=(15x-2x^2)(8-2x)$

$V(x)=120x-30x^2-16x^2+4x^3$

$V(x)=4x^3-46x^2+120x$

Differentiate w.r.t x

$V'(x)=12x^2-92x+120$

$V'(x)=0$

$12x^2-92x+120=0$

$3x^2-23x+30=0$

$3x^2-18x-5x+30=0$

$3x(x-6)-5(x-6)=0$

$(x-6)(3x-5)=0$

$x-6=0\implies x=6$

$3x-5=0\implies x=\frac{5}{3}$

Again differentiate w.r.t x

$V''(x)=24x-92$

Substitute x=6

$V''(6)=24(6)-92=52>0$

Substitute x=5/3

$V''(5/3)=24(5/3)-92=-52$

Hence, the volume is maximum at x= $\frac{5}{3}$

Therefore, the side of the square , $x=\frac{5}{3}$ in cutout that gives the box the largest possible volume.

5 0

3 years ago

Value of the Line integral of xe^y dx over arc of x=e^y from pt (1,0) to (e,1). Please don't bother if you don't know how to do

irina [24]

Parametize C of the line integral as
$({e}^{t} ,t)$
from 0<=t<1 then
$dx = {e}^{t} dt$
which means by substituting x with e^t and y with and dx with e^t dt we get
$integral \: from \: 0 \: to \: 1( {e}^{t} \times {e}^{t} \times {e}^{t} \: dt )$
by adding exponents
$integrl \: from \: 1 \: to \: 0 \: of \: ( {e}^{3t}dt )$
$\frac{ {e}^{3} - 1}{3} - \frac{ {e}^{0} - 1 }{3}$

3 0

3 years ago

a picture 10 1/4 feet long is to be centered on a wall that is 14 1/2 feet long. How much more space is there from the edge of t

Zarrin [17]

Answer:

Length from the edge will be $=2{\frac{1}{8}}$ feet

Step-by-step explanation:

To find length we have to conver mixed fraction to improper fraction

The length of the wall $= \frac{29}{2}$

Length of picture $=\frac{41}{4}$

First we find the total length of wall remain after picture was hung to the wall.

Length of wall remain vacant $=\frac{29}{2}-\frac{41}{4}$

Taking LCM and solving we get

$=\frac{58-41}{4} =\frac{17}{4}$

Total length of wall remain vacant $=\frac{17}{4}$

As the picture to be centered in wall, therefore space feom one edge of wall will be half that of length remain vacant as the same length to be left vacant feom both sides.

Space from one edge $=\frac{17}{4} \times \frac{1}{2}$

$= \frac{17}{8}$

$=2{\frac{1}{8}}$

Length from the edge will be $=2{\frac{1}{8}}$ feet

6 0

4 years ago

Danielle can type at a rate of 55 words per minute. How many words can she type in four and a half minutes?

Romashka [77]

55x4=220+55➗2=27.5

Therefore the answer is 247.5

6 0

3 years ago