3 years ago

Then when you expand it can u simplify it and tell me the coefficient and variable and constant 3(y-6)+4(5+4)-8(y-2)

Mathematics

1 answer:

madreJ [45]3 years ago

6 0

Cymath es una buena aplicación para tus dudas de matemática

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Marty bought 4 new books today. he plans to read 2 of these while on vacation. how many combinations of 2 books from the group o

Grace [21]

6 :)

no. of books: 1 2 3 4
combinations: 12, 13, 14, 23, 24, and 34

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3 years ago

Suppose that we were going to conduct a study to determine if there is an decrease in risk of getting lung cancer based on wheth

nalin [4]

Answer: Option C

Step-by-step explanation:

In group(1), the risk is= 5/2000 x 100

= 0.25

In group(2), the risk is= 5/1000 x 100

= 0.5

The sample relative risk is= 0.25/0.5

= 0.5

So, option C is correct.

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3 years ago

The population of a town has approximately doubled every 17 years since 1950. If the equation P=Po2k, where Po is the population

natka813 [3]

The population of a town has approximately doubled every 17 years since 1950.

the equation P= $P_02^k$ where Po is the population of the town in 1950, is used to model the population, P, of the town t years after 1950.

When t=17 yrs

P=2 $p_{0}$

for 1 year

The equation becomes

P = $P_02^\frac{t}{17}$ -------------(1)

Our original equation is

$P=P_02^k$ ----------------------------------(2)

equating expression 1 and 2

$P_02^\frac{t}{17}=P_{0}2^k$

Cancelling $P_{0}$ from both sides we get

$2^\frac{t}{17}=2^{k}$

t/17=k

⇒k=t/17 is the solution.

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3 years ago

2/3n + 5 greater than 12

Tanzania [10]

2/3n + 5 > 12
2/3n > 12 - 5
2/3n > 7
n > 7 * 3/2
n > 21/2 or 10 1/2

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3 years ago

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If the diagonal of a square is 11.3 meters, approximidley<br> what is the perimeter of the square?

Andrei [34K]

Answer:

About 9.6 meters

Step-by-step explanation:

Refer to attachment

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3 years ago