The depth of the water, d, at the end of a pier changes periodically as a function of time, t, in hours as shown in the graph below. According to the model, the last low tide occurred at 5:00 a.m. When will the next low tide occur? Let t = 0 be 12:00 a.m.(SEE ATTATCHED FILE)A. 3:00 a.m.
B. 5:00 a.m.
C. 3:00 p.m.
D. 5:00 p.m.

Answers

Answer 1

Answer: C. 3:00 p.m.
Low tide occurred at 5:00 a.m. (t=5) and the graph shows that high tide occurred at both 12:00 a.m. (t=0) and 10:00 a.m. (t=10).
That means that between high tide and low tide, 5 hours pass (5-0=5 and 10-5=5).
So if the last high tide was at 10:00 a.m., the next low tide will happen another 5 hours later. 5 hours after 10:00 a.m. is 3:00 p.m.

Answer 2

Answer:

Answer:

3:00pm

Step-by-step explanation:

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Evaluate 5w-w/x when w=6 and x=2

Answers

Substitute.

5(6) - (6)/(2)

30 - 6/2

30 - 3 = 27

Simplify
2x2(4x3 - 3x2 + 6x).

Answers

Answer:

The simplified form of the provided expression is $8x^(5) - 6x^(4) + 12x^(3)$

Step-by-step explanation:

Consider the provided expression.

$2x^2(4x^3 - 3x^2 + 6x)$

Use the distributive property:

$a(b+c)=ab+ac$

By using the above property we can simplify it as shown:

$2x^2(4x^3 - 3x^2 + 6x)$

$8x^((2+3)) - 6x^((2+2)) + 12x^((2+1))$

$8x^(5) - 6x^(4) + 12x^(3)$

Thus, the simplified form of the provided expression is $8x^(5) - 6x^(4) + 12x^(3)$

its hard to show you the steps just gotta payin attention to your teacher
anyway i tried my best to show you the steps
tbh if you needed explanation you should more points

The hypotenuse of a right triangle is 25m long. The length of one of the legs is 10m less than twice the other. Find the length of each leg.

Answers

The dimensions of the length of the legs are 15 m and 20 m in the given right triangle.

What is Pythagoras's theorem?

Pythagoras's theorem states that in a right-angled triangle, the square of one side is equal to the sum of the squares of the other two sides.

Let x be the length of one of the legs. Then the length of the other leg is 2x-10m. We can use the Pythagorean theorem to find the lengths of the legs.

We can write this as an equation:

x² + (2x - 10)² = 25²

5x²- 40x + 100 = 625

5x²- 40x + 100 - 625 = 0

5x²- 40x - 525 = 0

Divided by 5 into the above equation,

x²- 8x - 105 = 0

After solving the above quadratic equation, we get

x = 15 and x = -7

Take x = 15 as the length of one of the legs.

So, the length of the other leg is 2(15)-10 = 20 m.

Thus, the dimensions of the length of the legs are 15 m and 20 m.

Learn more about Pythagoras's theorem here:

brainly.com/question/343682

#SPJ2

(2x-10)^2+x^2=25^2
4x^2-40x+100+x^2=625
5x^2-40x+100-625=0
5x^2-40x-525=0
5(x^2-8x-105)=0
5(x-15)(x+7)=0
x-15=0

x=15 for the short side.
2*15-10
30-10=20 for the long side.
Proof:
15^2+20^2=25^2
225+400=625
625=625

At a zoo, the lion pen has a ring-shaped sidewalk around it. The outer edge of the sidewalk is a circle with a radius of 11 m. The inner edge of the sidewalk is a circle with a radius of 9 m. Find the exact area of the larger circle
Find the exact area of the smaller circle.
Write an expression to find the exact area of the sidewalk (shaded portion).
Find the approximate area of the sidewalk. Use 3.14 to approximate π.
Answer:
Find the exact area of the larger circle. Show your work. (1 point)
A= N x 11 2 A = n?

Find the exact area of the smaller circle. Show your work. (1 point)
A= n 9 2 A=n?

Write an expression to find the exact area of the sidewalk (shaded portion). Show your work. (2 points) 11 2 – 9 2 x n

Find the approximate area of the sidewalk. Use 3.14 to approximate π. Show your work. (1 point) 11 2 x 3.14 – 9 2 x 3.14=

Answers

Well first lets find area of the entire circle itself

We have the radius be 11.

Pie x radius^2 = A

11 squared is 121.

So we have:

Pie x 121 = area

Pie is 3.14.

The area of the entire circle is exactly 379.94 m.

Now lets put this off to side and solve the inner circle.

Same thing:

Radius of the inner circle is 9.

Pie x radius^2 = Area

9 squared is 81.

So now:
Pie x 81 = area

Pie is 3.14

3.14 x 81 = exactly 254.34.

The inner pen is exactly 254.34 m

So now knowing :

The whole circle is 379.94
And the inner circle is 254.34

We can subtract the inner circles area from the whole circle and get the area of the outer circle/sidewalk.

379.94 - 254.34 = 125.6

The outer circle/sidewalk is 125.6 m

With this info we can answer your questions.

The exact area of the larger circle is 379.94 m

The exact area of the inner circle is 254.34 m

Expression:
If
Large circle = L
Small circle = S
Sidewalk = W

An expression would be L - S = W

The sidewalk area is exactly 125.6 m

To show your work read what i did above and just show how i did Pie x radius = area.

Hope this helps!
Brainliest is always appreciated if you feel its deserved.

The lcd for fractions 1/3 3/4 and 8/9 is

Answers

Answer:

the answer is /36

Step-by-step explanation:

3 goes into 36

4 goes into 36

9 goes into 36

D=a+b+c solve for b
I need some help

Answers

Hi Walker

d=a+b+c

Flip

a+b+c=d

Add -a to both sides

a+b+c-a=d-a

b+c=-a+d

Now add -c to both sides

b+c-c=-a+d-c

b= -a-c+d

I hope that's help:0

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