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4 years ago

What do 12 and 3 have in common?

Mathematics

2 answers:

VikaD [51]4 years ago

8 0

3 and 12 are what they have in common

kipiarov [429]4 years ago

3 0

They can both have the same products 3×4=12 , 12×1=12 , 12×3=36 , 3×12=36 , 12×2=24 , 3×8=24 on and on. Hope this helps

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Scientists have discovered a vaccine for a debilitating disease. This year there were 570,000 reported new cases of the disease

Ket [755]

Answer: There are approximately 853827 new cases in 6 years.

Step-by-step explanation:

Since we have given that

Initial population = 570000

Rate at which population decreases is given by

$\frac{2}{3}$

Now,

First year =570000

Second year is given by

$570000\times (\frac{1}{3})$

Third year is given by

$570000(\frac{1}{3})^2$

so, there is common ratio ,

it becomes geometric progression, as there is exponential decline.

so,

$570000,570000\times \frac{1}{3},570000\times( \frac{1}{3})^2,......,570000\times (\frac{1}{3})^6$

a=570000

common ratio is given by

$r=\frac{a_2}{a_1}=\frac{1}{3}$

number of terms = 6

Sum of terms will be given by

$S_n=\frac{a(1-r^n)}{(1-r)}$

We'll put this value in this formula,

$S_6=\frac{570000(1-(\frac{1}{3})^6}{(1-\frac{1}{3})}\\\\=853827.16$

So, there are approximately 853827 new cases in 6 years.

6 0

3 years ago

An ostrich that is 63 inches tall is 17 inches taller than 2 times the height of a kiwi.

DerKrebs [107]

Answer:

The kiwi is 23 inches tall.

Step-by-step explanation:

63= 2k + 17

46= 2k

k= 23 inches tall

8 0

3 years ago

delilah studies the wolf population of a nearby national park. She has calculated that the population decreased by 1.25% per yea

KATRIN_1 [288]

Step-by-step explanation:

i need time

i hope u may understand

8 0

4 years ago

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A) Determine which amounts of postage can be formed using just 3-cent and 10-cent stamps.

RUDIKE [14]

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3 years ago

Pls help i need help with this question

Lapatulllka [165]

Answer:

slope = 1

Step-by-step explanation:

$\frac{y_{2} -y_{1} }{x_{2}- x_{1} }$

(2,4) (0,2)

$\frac{2-4}{0-2} = \frac{-2}{-2} = 1$

3 0

3 years ago

Read 2 more answers