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Orlov [11]
3 years ago
13

Fourteen decreased by three times four

Mathematics
2 answers:
Snezhnost [94]3 years ago
7 0

Answer:

2

Step-by-step explanation:

14 - 3 x 4

P. parentheses

E. exponent

M. D. Multiplication and division

A. S. Addition and subtraction

***************************************************

P. E. there is nothing so we skip

M.  3 x 4 = 12

D. there is nothing so we skip

A. there is nothing so we skip

S. 14 - 12 = 2

Vesna [10]3 years ago
3 0

Answer:

3 times a number is 3x

decreased by 14 is '- 14'

is 4 is '= 4'

So we have:

3x - 14 = 4

Add 14 to both sides:

3x = 18

Divide 3 to both sides:

x = 6

Step-by-step explanation:

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20 Answer: a₁ = 4

<u>Step-by-step explanation:</u>

a_n=324,\ r=3,\ n=5\\\\a_n=a_1 \cdot r^{n-1}\\\\324=a_1\cdot 3^{5-1}\\\\\dfrac{324}{3^4}=a_1\\\\\dfrac{324}{81}=a_1\\\\\large\boxed{4}=a_1

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<u>Step-by-step explanation:</u>

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22 Answer: n = 5

<u>Step-by-step explanation:</u>

a_n=48,\ a_1=1875\ r=\dfrac{2}{5}\\\\a_n=a_1 \cdot r^{n-1}\\\\48=1875\cdot \bigg(\dfrac{2}{5}\bigg)^{n-1}\\\\\dfrac{48}{1875}=\bigg(\dfrac{2}{5}\bigg)^{n-1}\\\\\dfrac{16}{625}=\bigg(\dfrac{2}{5}\bigg)^{n-1}}\\\\\bigg(\dfrac{2}{5}\bigg)^4=\bigg(\dfrac{2}{5}\bigg)^{n-1}}\\\\4=n-1\\\\\large\boxed{5}=n

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3 years ago
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