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3 years ago

Some factors that affect the rates of change of all reactions

Mathematics

2 answers:

Sonja [21]3 years ago

8 0

I think it is D because all of them have a reaction

ivann1987 [24]3 years ago

3 0

I’m pretty sure it’s D because all of the factors because if more than one of the choices applies to the question, then it’s all of the above.

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Find the sum of the first 47 terms of the following series, to the nearest integer.

topjm [15]

Answer:

The sum of the first 47 terms of the given series = 6016

Step-by-step explanation:

Given the sequence

13, 18, 23, ...

An arithmetic sequence has a constant difference 'd' and is defined by

$a_n=a_1+\left(n-1\right)d$

$18-13=5,\:\quad \:23-18=5$

As the difference between all the adjacent terms is the same.

$d=5$

$a_1=13$

Arithmetic sequence sum formula

$n\left(a_1+\frac{d\left(n-1\right)}{2}\right)$

Put the values

$d=5$

$a_1=13$

$n=47$

$=47\left(13+\frac{5\left(47-1\right)}{2}\right)$

$=47\left(13+115\right)$

$=47\cdot \:128$

$=6016$

Thus, the sum of the first 47 terms of the given series = 6016

8 0

3 years ago

There are 8 girls and 12 boys in your class. Based on the current ratio of girls to boys, what is the probability that a new kid

anyanavicka [17]

Answer:

Boy

Step-by-step explanation:

The ratio is 8:12, the ratio can be simplified to 2:3 and simply by looking at it, you have a chance of another boy, like a 3 in 2 chance

3 0

3 years ago

40 + 56 ÷ p - q<br><br> i need the answer asap

Vadim26 [7]

Answer:

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3 years ago

There are 14 books on a shelf. 6 of these books are new.

Alexxandr [17]

a) 8:14

b) 6:8

yeah its telling me I'm short of words

3 0

3 years ago

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Pls help Suppose 30=a×60. What is 30a ?

Maslowich

Answer:

2 easy

Step-by-step explanation:

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3 years ago

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