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BARSIC [14]
3 years ago
10

Please help me I really need it and no silly answer please ​

Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

Answer:

1/4

Step-by-step explanation:

That is because \frac{1}{4}x=y. One each line, you would divide y by x to get the constant, which is 1/4.

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Write the explicit formula that represents the geometric sequence -2, 8, -32, 128
Jet001 [13]

The Geometric Sequence Formula:

a_n=a_1r^{n-1}

We have:

a_1=-2,\ a_2=8,\ a_3=-32,\ a_4=128,\ ...

d=\dfrac{a_{n+1}}{a_n}\to d=\dfrac{8}{-2}=-4

Substitute:

a_n=-22\cdot(-4)^{n-1}=-22\cdot(-4)^n\cdot(-4)^{-1}=-22\cdot(-4)^n\cdot\left(-\dfrac{1}{4}\right)=5.5(-4)^n

7 0
3 years ago
Read 2 more answers
The 7 in 3.47 has a value blank times the value of the 7 in 7.34
frutty [35]

Answer:

1/100

Step-by-step explanation:

7 in 3.47 is 7/100

7 in 7.34 is 7

so the first 7 is 1/100 times the value of 7

5 0
3 years ago
What is the solution to the equation StartFraction 3 Over m + 3 EndFraction minus StartFraction m Over 3 minus m EndFraction = S
Oksanka [162]

Answer:

No solution.

Step-by-step explanation:

Given fraction is:

\dfrac{3}{m+3} -\dfrac{m}{3-m} = \dfrac{m^2+9}{m^2-9}\\\Rightarrow \dfrac{3}{m+3} +\dfrac{m}{m-3} = \dfrac{m^2+9}{m^2-9}\\\Rightarrow \dfrac{3\times (m-3)+ m(m+3)}{(m+3)(m-3)}  = \dfrac{m^2+9}{m^2-9}\\\Rightarrow \dfrac{3 m-9+ m^2+3m}{m^2-9}  = \dfrac{m^2+9}{m^2-9}\\\Rightarrow \dfrac{m^2-9+ 6m}{m^2-9}  = \dfrac{m^2+9}{m^2-9}\\If\ m^2-9 \neq 0\ or\ m \neq 3\\\Rightarrow m^2-9+ 6m  = m^2+9\\\Rightarrow 6m = 18\\\Rightarrow m = 3

<u>Formula used:</u>

<u></u>(a+b)(a-b) = a^{2} -b^{2}<u></u>

<u></u>

But, the above equation was solved at the condition that:

m\neq 3

So, there is no solution for the given equation.

3 0
3 years ago
Read 2 more answers
In a class of students, the following data table summarizes how many students play an instrument or a sport. What is the probabi
Kaylis [27]

Answer:

23/29 or 79.31%

Step-by-step explanation:

3 0
3 years ago
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<img src="https://tex.z-dn.net/?f=9%20-%204%20%5Csqrt%7B5%7D%20" id="TexFormula1" title="9 - 4 \sqrt{5} " alt="9 - 4 \sqrt{5} "
Korolek [52]

Answer:

9−4√5=(Decimal: 0.055728)

Step-by-step explanation:

3 0
3 years ago
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