2 years ago

Which expression is equivalent to 7/2x -3(5x -1/2)

Mathematics

1 answer:

neonofarm [45]2 years ago

4 0

Answer:

I think the answer is B, that was what i got

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Can someone please help me with this, this is my only try, please answer with the CORRECT answer.

olga_2 [115]

The scale factor is 0.25 or 1/4 (fraction)

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3 years ago

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Let y = f(x be the solution to the differential equation dy/dx = x y with the intial condition f(1=2. what is the approximation

Ilia_Sergeevich [38]

Denote the ODE by

$\dfrac{\mathrm dy}{\mathrm dx}=g(x,y)=xy$

For this equation, you'll be using the recurrence relation

$\begin{cases}y_{n+1}=y_n+hg(x_n,y_n)\\x_{n+1}=x_n+h\\x_0=1\\y_0=2\\h=0.5\end{cases}$

You have

$f(1.5)\approx y_1=y_0+0.5x_0y_0=2+0.5(1)(2)=3$
$f(2)\approx y_2=y_1+0.5x_1y_1=3+0.5(1.5)(3)=5.25$

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3 years ago

26x + 14 = 49x - 13 <br>Represent x on the number line and also find x

ladessa [460]

Answer:

49x-26x=-13 - 14

23x=-1

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2 years ago

Samantha Ice creamy sold 67 sundaes with nuts and 15 sundaes without nuts what is the ratio of the number of sundaes without nut

zheka24 [161]

15:82 I have to type this so I can send in the answer

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3 years ago

For some math loving friends

shtirl [24]

The first step of finding the percent tip, we must find how much tip she paid:

Tip = $38.61 - $33 = $5.61

To find the percent tip, we must divide the tip amount by the amount she paid before the tip

$5.61 / $33 = 0.17 --> 17%

Thus the percent tip is 17%

Hope that helps!

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2 years ago