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bearhunter [10]
2 years ago
12

Without using mathematics tables or calculates simplfy 3/8​

Mathematics
1 answer:
Anna007 [38]2 years ago
7 0

Answer:

3/8 CAN ALSO BE WRIITEN AS 375/1000=0.375

SILUTION..

3×125/8×125..

AS WE HAVE TO GET DENOMINATOR IN FORM OF1,10,100,1000,..SO ON.

375/1000

=0.375

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Which of the following graphs of exponential functions corresponds to a geometric sequence with a first term of 4 and a ratio of
ser-zykov [4K]

Answer: graph E.


A geometric sequence can be written as:

a_{n} = a_{1} \cdot r^{(n - 1)}

where:

a₁ = first term = 4

r = ratio = 0.5


Substituting the numbers, we have:

a_{n} = 4 \cdot (\frac{1}{2})^{n-1}

or else

f(x) = 4 \cdot (\frac{1}{2})^{x - 1}


This is an exponential function with base less than 1. Therefore, we can exclude graph C (which depicts a linear function), and graphs A and D (which depict an exponential function with base greater than 1).


In order to choose between graph B and E, let's evaluate the function in two different points:

f(1) = 4 \cdot (\frac{1}{2})^{1 - 1} = 4

f(2) = 4 \cdot (\frac{1}{2})^{2 - 1} = 4 \cdot \frac{1}{2} = 2


Therefore, we need to look for the graph passing through the points (1, 4) and (2, 2). That is graph E.




3 0
3 years ago
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I need help with b and c please and thank you!!
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Answer:

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3 0
3 years ago
What is it multiplying by?<br><br><br>784.5, 78.45, 7.845,0.7845, 0.07845
katrin [286]

Answer:

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Step-by-step explanation:

3 0
3 years ago
What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form?
AnnyKZ [126]
Given the function f(x)=x^2+5x+5 , to get the zeros we solve using quadratic formula;
x=[-b(+or-) sqrt(b^2-4ac)]/(2a)
from our function;
a=1,b=5, c=5

thus,

x=[-5(+or-)sqrt(5^2-4*1*5)]/(2*1)
x=[-5(+or-)sqrt(25-20)]/2
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The answer is option C
4 0
3 years ago
Read 2 more answers
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