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3 years ago

Helppppp meeee pleassseee

Mathematics

1 answer:

julia-pushkina [17]3 years ago

8 0

Answer:

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Step-by-step explanation:

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What is the second step in solving this equation by completing the square 3x^2+14x+8=0

Trava [24]

The second step is to keep your x terms on the left and move the constant to the right by subtracting it from both sides.

8 0

3 years ago

In the following expression, n is a rational number: Which expression below is equivalent to this expression?

gogolik [260]

Answer:

none of them

Step-by-step explanation:

7 0

10 months ago

The function f(x) = 25(4)^x represents the growth of a bird population every year in a national park. Kyle wants to manipulate t

Natasha_Volkova [10]

$f(x)=25(4)^{\frac{x}{2}}$ will be the function to calculate population every half year.

Further explanation:

The given formula is:

$f(x) = 25(4)^x$

In the given formula, x represents the amount of time in years. So, in order to convert the given function for yearly calculation of population, to find the population every half year the time will be converted into half. This means that instead of x, x/2 will be used.

So the new function will be:

$f(x) = 25(4)^{\frac{x}{2}}$

Keywords: Population growth, Population growth function

Learn more about population growth at:

#LearnwithBrainly

6 0

3 years ago

The volume of a rectangular box with a square base remains constant at 500 cm3 as the area of the base increases at a rate of 6

Andre45 [30]

Answer:

the rate at which the height of the box is decreasing is -0.0593 cm/s

Step-by-step explanation:

Given the data in the question;

Constant Volume of a rectangular box with a square base = 500 cm³

area of the base increases at a rate of 6 cm²/sec

so change in the area of the base with respect to time dA/dt = 6 cm²/sec

each side of the base is 15 cm long

so Area of the base = 15 cm × 15 cm = 225 cm²

the rate at which the height of the box is decreasing = ?

Now,

V = Ah

dv/dt = 0 ⇒ Adh/dt + hdA/DT = 0

⇒ dh/dt = -hdA/dt / A

we substitute

dh/dt = [ -( 500 / 225 ) × 6 ] / 225

dh/dt = [ -(2.22222 × 6) ] / 225

dh/dt = [ -13.3333 ] / 225

dh/dt = -0.0593 cm/s

Therefore, the rate at which the height of the box is decreasing is -0.0593 cm/s

7 0

2 years ago

What is the length of side x or the right triangle below

Anestetic [448]

Answer:

Step-by-step explanation:

by looking at the bottom the answer is 98

3 0

2 years ago