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2 years ago

What goes into 20/16

Mathematics

2 answers:

Troyanec [42]2 years ago

7 0

That equals 1 4/16 or 1 1/4.

kipiarov [429]2 years ago

5 0

The answer would be 1 1/4

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Plz help i need it bad

lakkis [162]

Answer:

See below

Step-by-step explanation:

Vertices are the black dots of the figure:

Point Q is at (1,4)

Point R is at (3,-2)

Point S is at (0,-1)

Point T is at (-2,2)

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2 years ago

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Ben made a four digit number with the numbers 7,4,3,9. The number was smaller than 4 and bigger than 1. The 7 cannot go in the t

victus00 [196]

3.479 is the answer

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2 years ago

cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0

Dafna11 [192]

Answer:

Radius=2.09 cm

Height,h=14.57 cm

Step-by-step explanation:

We are given that

Volume of cylinderical shaped can=200 cubic cm.

Cost of sides of can=0.02 cents per square cm

Cost of top and bottom of the can =0.07 cents per square cm

Curved surface area of cylinder= $2\pi rh$

Area of circular base=Area of circular top= $\pi r^2$

Total cost,C(r)= $0.02\times 2\pi rh+2\pi r^2\times 0.07$

Volume of cylinder, $V=\pi r^2 h$

$200=\pi r^2 h$

$h=\frac{200}{\pi r^2}$

Substitute the value of h

$C(r)=0.02\times 2\pi r\times \frac{200}{\pi r^2}+2\pi r^2\times 0.07$

$C(r)=\frac{8}{r}+0.14\pi r^2$

Differentiate w.r.t r

$C'(r)=-\frac{8}{r^2}+0.28\pi r$

$C'(r)=0$

$-\frac{8}{r^2}+0.28\pi r=0$

$0.28\pi r=\frac{8}{r^2}$

$r^3=\frac{8}{0.28\pi}=9.095$

$r=(9.095)^{\frac{1}{3}}=2.09$

Again, differentiate w.r.t r

$C''(r)=\frac{16}{r^3}+0.28\pi$

Substitute the value of r

$C''(2.09)=\frac{16}{(2.09)^3}+0.28\pi=2.63>0$

Therefore,the product cost is minimum at r=2.09

h= $\frac{200}{\pi (2.09)^2}=14.57$

Radius of can,r=2.09 cm

Height of cone,h=14.57 cm

4 0

2 years ago

PLZ hurry, 20 points for simple Q: Solve 5x + 1 = 2x2 + 9x.

iragen [17]

The answer is:

a: 1 = 2(x^2 + 2x)
b:1 = 2x^2 + 4x
d:3 = 2(x + 1)^2

you can tell these are your answer when you solve it.
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How many bicycles did john had

garik1379 [7]

it is 12

Step-by-step explanation:

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