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RSB [31]
3 years ago
15

If AJKL ~ AQRS, find the value of x:

Mathematics
1 answer:
Alexxandr [17]3 years ago
3 0

Answer:

14

Step-by-step explanation:

24/36=(x+4)/(2x-1)

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F(x)=ax+b/2 then f^-1 (x-1) =2x-5/2 find a and b​
krok68 [10]

From the given inverse function, we have

f^{-1}(x-1) = 2x - \dfrac52 \\\\ \implies f^{-1}(x) = f^{-1}((x+1)-1) = 2(x+1) - \dfrac52 = 2x-\dfrac12

By definition of inverse function,

f\left(f^{-1}(x)\right) = x

so that

f\left(2x-\dfrac12\right) = x

a\left(2x-\dfrac12\right) + \dfrac b2 = x

2ax - \dfrac a2 + \dfrac b2 = x

\implies\begin{cases}2a=1 \\\\ -\dfrac a2+\dfrac b2 = 0\end{cases}

\implies \boxed{a=\dfrac12}

\implies \dfrac b2 = \dfrac a2 \implies \boxed{b=\dfrac12}

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2 years ago
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8/2 = 4 it is the ratio
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3 years ago
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Sales of $10,000 increase by 65% each year.<br> Whats the y
Elan Coil [88]

Answer:

153.8 I guess... this is your answer

3 0
3 years ago
How do you make the denominators of two fractions the same? HELP PLS DUE IN 3 MINS AAAAAA
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3 years ago
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The number of people, N, that Denis can invite to his party is dependent on the amount of money, x, in dollars,
gulaghasi [49]

Answer:

N(h) = 2h + 6

Step-by-step explanation:

A model of the number of people that Denis can invite to his party:

N(x) = x/25.............(1)

Where x = amount of money saved

Amount of money saved can be modeled by the equation:

M(h) = 50h + 150...........(2)

In the above model, h = number of overtime hours

M(h) = amount of money saved = x

Therefore equation (1) can be re - written as:

N(x) = M(h)/25.................................(3)

Substituting equation (2) into equation (3)

N(h) = \frac{50h + 150}{25} \\N(h) = \frac{50h}{25} + \frac{150}{25} \\N(h) = 2h + 6

Find an explicit expression that models the number of people that Denis can invite to his party if he worked h  overtime hours this week can be expressed as:

N(h) = 2h + 6

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4 years ago
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