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3 years ago

Plz help (will make brainliest!)

Mathematics

2 answers:

eimsori [14]3 years ago

7 0

Answer:

B. Up to and including 182

Step-by-step explanation:

The budget is $5,000 and right away we need to take away $450 to rent the room.

5000 - 450 = 4550

Now we have $4,550 left to spend on guests.

Each guest costs $25 so we need to divide the rest of the budget by 25.

4550 / 25 = 182

182 guests can come max but it's okay if less come, they'll just spend less money.

Anettt [7]3 years ago

5 0

Answer: 182 people

Step-by-step explanation: (5000-450)/25

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PLEASE HELP QUICK WILL MARK BRAINLIEST.

ioda

Answer:

4.57

Step-by-step explanation:

7 can go into 32 4 times but your remainder is going to be 5

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3 years ago

Simplify (4x - 6) - (5x + 1).

faust18 [17]

The answer to the question is -x-7

6 0

3 years ago

In the previous part, we obtained dy dx = 3t2 − 27 −2t . Next, find the points where the tangent to the curve is horizontal. (En

mina [271]

Answer:

(27.55, 7.22), (-11.3, 3.21).

Step-by-step explanation:

When is the tangent to the curve horizontal?

The tangent curve is horizontal when the derivative is zero.

The derivative is:

$\frac{dy}{dx} = 3t^{2} - 2t - 27$

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this question:

$3t^{2} - 2t - 27 = 0$

$a = 3, b = -2, c = -27$

Then

$\bigtriangleup = b^{2} - 4ac = (-2)^{2} - 4*3*(-27) = 328$

$t_{1} = \frac{-(-2) + \sqrt{328}}{2*3} = 3.35$

$t_{2} = \frac{-(-2) - \sqrt{328}}{2*3} = -2.685$

Enter your answers as a comma-separated list of ordered pairs.

We found values of t, now we have to replace in the equations for x and y.

t = 3.35

$x = t^{3} - 3t = (3.35)^{3} - 3*3.35 = 27.55$

$y = t^{2} - 4 = (3.35)^2 - 4 = 7.22$

The first point is (27.55, 7.22)

t = -2.685

$x = t^{3} - 3t = (-2.685)^3 - 3*(-2.685) = -11.3$

$y = t^{2} - 4 = (-2.685)^2 - 4 = 3.21$

The second point is (-11.3, 3.21).

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3 years ago

Order these numbers from least to greatest. 579 , 5.45 , 5.451 , 234

ladessa [460]

5.45,5.451,234,579..............

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4 years ago

I need help with algebra 2

AysviL [449]

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3 years ago

Plz help (will make brainliest!)​

Plz help (will make brainliest!)