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3 years ago

In other words, which one doesn't belong?

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

8 0

Answer:

5>6

Step-by-step explanation:

amid [387]3 years ago

7 0

I think the answer is 5>2:)

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Day of a measles outbreak at a school, 8 students were identified to have the measles. Each day for the On the first following t

Mrrafil [7]

Answer:

D. 504

Step-by-step explanation:

Let the number of days = x

Now, the number of students doubles each day for the two weeks with the initial number of students having measles = 8.

So, we have,

Days (x) Cases doubled Number of Students

1 8 8

2 8 × 2 16

3 16 × 2 32

4 32 × 2 64

So, we get the geometric series as 8, 16, 32, 64,...... for two weeks.

Then, the common ratio = $\frac{16}{8}=\frac{32}{16}$ = 2

Thus, Number of students = $8\times \frac{(1-2^6)}{1-2}$

i.e. Number of students = $8\times \frac{(1-64)}{-1}$

i.e. Number of students = $8\times \frac{(-63)}{-1}$

i.e. Number of students = 8 × 63 = 504

Hence, the number of students having measles at the end of the 6th day are 504.

5 0

3 years ago

Read 2 more answers

Identify the volume and surface area of the sphere in terms of π. HELP PLEASE!!

Helen [10]

Answer:

First choice V = 18,432π m^3; S = 2,304π m^2

Step-by-step explanation:

Start with the two formulas:

Volume of a circle:

$V = \dfrac{4}{3} \pi r^3$

Surface area of a circle:

$S = 4 \pi r^2$

Now use r = 24 m in each formula.

Volume:

$V = \dfrac{4}{3} \pi (24~m)^3$

$V = \dfrac{4}{3} \pi (13,824~m^3)$

$V = 18,432\pi~m^3$

Surface area:

$S = 4 \pi r^2$

$S = 4 \pi (24~m)^2$

$S = 4 \pi (576~m^2)$

$S = 2,304\pi ~m^2$

Answer: First choice V = 18,432π m^3; S = 2,304π m^2

3 0

3 years ago

Las bases de un prisma recto son dos triangulos rectangulos cuyos catetos miden 1.5 cm y 1.8 cm, respectivamente, el prisma tien

nydimaria [60]

Answer:

Part 1) The surface area is $SA=35.1\ cm^{2}$

Part 2) The volume is equal to $V=12.15\ cm^{3}$

Step-by-step explanation:

The question in English is

The bases of a right prism are two rectangle triangles whose legs measure 1.5 cm and 1.8 cm, respectively, the prism has a height of 4.5 cm. calculates its total surface area and volume

Part 1) Find the surface area

The surface area is equal to

$SA=2B+Ph$

where

B is the area of the base

P is the perimeter of the base

h is the height of the prism

$B=(1.5)(1.8)=2.7\ cm^{2}$

<em>Find the perimeter of the base P</em>

$P=2*(1.5+1.8)=6.6\ cm$

we have

$h=4.5\ cm$

substitute the values

$SA=2(2.7)+(6.6)(4.5)=35.1\ cm^{2}$

Part 2) Find the volume

The volume is equal to

$V=Bh$

where

B is the area of the base

h is the height of the prism

we have

$B=2.7\ cm^{2}$

$h=4.5\ cm$

substitute

$V=(2.7)(4.5)=12.15\ cm^{3}$

5 0

3 years ago

Find the value of x and y

jonny [76]

The answer is C. The easiest way to find this is by setting the top two angles added together to 180 because they divide a straight line. The just plug the numbers in and you get C

3 0

3 years ago

Read 2 more answers

A graduate student researcher designs a study that will investigate the

Sholpan [36]

Answer:

a. more samples need to be compared

c. the samples are not similar

8 0

3 years ago