3 years ago

Ebola has an Ro of 2. How many third-wave cases can doctors expect?

Mathematics

1 answer:

stellarik [79]3 years ago

4 0

Answer:

4 I guess

Step-by-step explanation:

Because

3-1=2

2^2=2*2=4

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A sphere is inscribed in a cube with a volume of 64 cubic inches. What is the volume of the sphere? Round your answer to the nea

erma4kov [3.2K]

Answer:

the volume of the sphere is

$33.51 in^{3}$

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, sphere and cube.

Given data

Volume of cube v = 64 cubic inches

since we are dealing with a cube the height and the radius of the sphere is same as the sides of the cube,

we know that volume of cube is expressed as

$v= l*b*h$

$v=l^{3}$

$64= l^{3}$

$l= \sqrt[3]{64}$

$l= 4 in$

also diameter d=length l

Diameter d= $4in$

Radius r = $\frac{d}{2}$ = $\frac{4}{2}$ = ${2 in}$

Height h= $4in$

we know that the volume of a sphere is given by

$v= \frac{4}{3} \pi r^{3}$

substituting into the formula we have

$v= \frac{4}{3} \ *3.142*2^{3} \\v=\frac{4*3.142*8}3} \\v= \frac{100.54}{3} \\v= 33.52in^{3}$

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2 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Elodia [21]

Answer:

try x equals nine I am sure

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2 years ago

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Point A (-2-10) is reflected over the x axis write the coordinates of A

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The answer is (-2, 10) because when reflecting over the x, change the sign of y. When reflecting over the y, change the sign of x.

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2 years ago

The difference of twice a number and five is three. Find the number.

ss7ja [257]

let x = a number

difference means that its subtraction

twice a number is 2x

so the equation should be

2x-5=3

add 5 to both sides

2x=8

divide both sides by 2

x=4

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Answer:

492,630

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2 years ago