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2 years ago

Which statement below is true?

Mathematics

2 answers:

Mrrafil [7]2 years ago

8 0

Answer: The answer is A

katen-ka-za [31]2 years ago

8 0

The Answer to the question is A.

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orest fire covers 2008 acres at time t equals 0. The fire is growing at a rate of 8 StartRoot t EndRoot acres per hour, where t

AveGali [126]

Answer: There are 2635 acres covered 24 hours later.

Step-by-step explanation:

Since we have given that

At time t = 0, number of acres forest fire covers = 2008 acres

We first consider the equation:

$A=\int\limits^t_0 {8\sqrt{t}} \, dt\\\\A=8\dfrac{t^{\frac{3}{2}}}{\frac{3}{2}}+C\\\\A=\dfrac{16}{3}t^{\frac{3}{2}}+C$

At t=0, A= 2008

So, it becomes,

$2008=C$

So, now it becomes,

$A=\dfrac{16}{3}t^{\frac{3}{2}}+2008\\\\At\ t=24,\\\\A=\dfrac{16}{3}(24)^{\frac{3}{2}}+2008\\\\A=2635.06$

Hence, there are 2635 acres covered 24 hours later.

6 0

3 years ago

3(20 + 4) =<br> Help me pleases

valentinak56 [21]

Answer:

72 is your answer mate...

8 0

3 years ago

PLZ HELP ON THIS AH its another trigonometry question:

lord [1]

Answer:

523.8 miles

Step-by-step explanation:

The drawing attached represents the question. We create a triangle with the distances from each pair of cities, and we call the distance from B to C by 'd'.

First, we need to find the angle BAC:

55° + BAC + 7° = 90°

BAC = 28°

Then, we can use the law of cosines to find the value of d:

d^2 = 470^2 + 890^2 - 2*470*890*cos(BAC)

d^2 = 470^2 + 890^2 - 2*470*890*0.8829

d^2 = 274365.86

d = 523.8 miles

3 0

2 years ago

I need help w special right triangles

mr Goodwill [35]

Answer:

14 rt2 * rt3= 28 rt3

Step-by-step explanation:

6 0

2 years ago

The graph shows two lines, A and B.

jeka94

When working with two equations (aka a system of equations), the solution is (or the solutions are) where the graphs intersect.

If they intersect once, there's one solution.

If they intersect twice, there are two solutions.

The solution IS the point(s) of intersection.

Every point on a line is also a solution to the equation that makes the line. Since that interseciton point is on both lines, it's a solution for both lines.

8 0

2 years ago