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Answer:

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Answer:

A) r=d/t

B) 221,760 feet per hour

C) 42 miles per hour

D) in this scenario feet per mile makes more sense since the distance is listed in feet.

Step-by-step explanation:

A) you solve for r by divided both sides of the equation by (t)time

B) you take your formula r=d/t and substitute the values of (d) and (t) with 665,280 feet and 3 hours.

C) convert feet to miles by dividing the given amount of feet by 5280 since there are 5,280 feet in 1 mile

D) use feet to make the calculations easier and to avoid making a mistake in converting feet to miles

Step-by-step explanation:

The point (12, 5)

x = 12, y = 5

=> r =√12²+5² =√144+25= √169=13

so, cos θ = x/r = 12/13 and

cot θ = x/y = 12/5

Explanation:

You are basically graphing the three horizontal lines y = 6, y = 4 and y = 2; however, there are restrictions to each line.

That's how we get the staircase pattern as shown in graph A. This is considered a piecewise function since we're graphing pieces of various other functions.

Note the use of open holes vs closed circles for the endpoints. The open holes correspond to parts of the inequality that don't have "or equal to", which means we leave that part out of the graph. In contrast, the closed fill in circles do have "or equal to" associated with them, so we do include those endpoints.

Answer:

A

Step-by-step explanation:

Step-by-step explanation:

I don't know how long answers

Step-by-step explanation:

Exterior angle of a dodecagon (12-sided regular polygon) is supplementary to its interior angle.

Sum of all interior angles of

N

-sided regular polygon equals to

(

N

−

2

)

⋅

180

o

.

Therefore, sum of interior angles of

12

-sided polygon is

(

12

−

2

)

⋅

180

o

=

1800

o

All 12 interior angles of dodecagon are equal, so each is

180-30

150

A supplementary exterior angle, therefore, equals to

180-150

=30

hopeit helps..

Answer

The measure of each exterior angle of a regular dodecagon is 30 degrees.

A regular dodecagon is a 12-sided regular polygon with each side equal.

We are asked to find the measure of each exterior angle of a regular dodecagon.

We know that measure of each angle of n-sided regular polygon can be found using

= 360/n

Upon substituting n = 12 in above formula, we will get:

= 360 / 12

= 30

Therefore, the measure of each exterior angle of a regular dodecagon is 30 degrees.

Learn more about dodecagon;

https://brainly.com/question/12296650

#SPJ2

Answer:

x < 2

Step-by-step explanation:

Let's actually solve the given inequality 3x + 1 < 7.  First we want to combine the constants into one:  3x < 6.  Solving for x, we get x < 2.

The graph you have chosen as your answer is correct.  x does not equal 2, but rather is less than 2, as the given inequality states.  Since x is less than 2, we start at the (open) circle at 2 and move to the left.

Answer:

11

Step-by-step explanation:

3 + [tex]\sqrt{16}[/tex] ÷ 2 * 4

work for the root first

3 + [tex]\sqrt{4*4}[/tex] ÷ 2 * 4

3 + 4 ÷ 2 * 4

now divide 4 by 2

3 + 2 * 4

then do multiplication

3 + 8

11

Answer:

11

Step-by-step explanation:

Following the order of operations in PEMDAS

Given

3 + [tex]\sqrt{16}[/tex] ÷ 2 × 4 ← evaluate the square root

= 3 + 4 ÷ 2 × 4

When multiplication appear on the same line evaluate from left to right

= 3 + 2 × 4

= 3 + 8

= 11

Answer:

$225:  the expression may look like $300-25%.    

Step-by-step explanation:

First decide what is 1/4 of $300.  ($300 / 4 = $75)

then subtract that amount from the original price. ($75-$300)

Answer:

25 ft

Step-by-step explanation:

Answer: 7/10, 4/5, 6/4, 5/2

Ascending means that the values are getting larger from left to right.

0.7, 0.8, 1.5, 2.5

Answer:

4 x 3/4 = 3

Step-by-step explanation:

Answer:

the range is 21.( range=highest value-lowest value)

Answer:

A.Hypotenuse

Step-by-step explanation:

Side AB is the longest side of the triangle

The longest side of a triangle is known as the hypotenuse

Answer:

D

Step-by-step explanation:

The recursive formula allows us to find any term in a sequence by adding the common difference d to the previous term.

Here d = - 1 - (- 7) = - 1 + 7 = 6 , then

[tex]a_{n}[/tex] = [tex]a_{n-1}[/tex] + 6 ; a₁ = - 7

Answer:

v = 10

Step-by-step explanation:

Answer:

v = 6

Step-by-step explanation:

8 v - 4 ( v + 8 ) = 8

8 v - 4 v - 32 = 8

4 v - 32 = 8

4 v = 8 + 32

4 v = 40

v = 40 / 4

v = 10

Answer:

A)  y = 2x

Step-by-step explanation:

Here you go, rockstar

B) 15x3 + 18x2 − 24x is a polynomial

✨keep going!✨

Answer:

First Option

Step-by-step explanation:

Answer:

3.5

Step-by-step explanation:

Answer:

Step-by-step explanation:

2x + 3x - 10 = 90

Combine like terms

5x - 10 = 90

Add 10  to both sides

5x = 90+10

5x = 100

Divide both sides by 5

x =100/5

x = 20

Answer:

They are not congruent because the lines aren't parallel.

Step-by-step explanation:

For all of those angle relation theorems to be valid, PARALLEL lines need to be split by a transversal.

Answer:

A1 = Triangle (this can be calculated using the formula 1/2×base×height. Base =9 and height =13)

A2 = Square (3×5=15)

Add A1 + A2 to get the total area = 73.5

Answer:

y= -1x+7

or

y = -1x + b

Step-by-step explanation:

You want to find the equation for a line that passes through the two points:

(2,5) and (4,3).

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

First, let's find what m is, the slope of the line...

The slope of a line is a measure of how fast the line "goes up" or "goes down". A large slope means the line goes up or down really fast (a very steep line). Small slopes means the line isn't very steep. A slope of zero means the line has no steepness at all; it is perfectly horizontal.

For lines like these, the slope is always defined as "the change in y over the change in x" or, in equation form:

So what we need now are the two points you gave that the line passes through. Let's call the first point you gave, (2,5), point #1, so the x and y numbers given will be called x1 and y1. Or, x1=2 and y1=5.

Also, let's call the second point you gave, (4,3), point #2, so the x and y numbers here will be called x2 and y2. Or, x2=4 and y2=3.

Now, just plug the numbers into the formula for m above, like this:

m=

3 - 5

4 - 2

or...

m=

-2

2

or...

m=-1

So, we have the first piece to finding the equation of this line, and we can fill it into y=mx+b like this:

y=-1x+b

Now, what about b, the y-intercept?

To find b, think about what your (x,y) points mean:

(2,5). When x of the line is 2, y of the line must be 5.

(4,3). When x of the line is 4, y of the line must be 3.

Because you said the line passes through each one of these two points, right?

Now, look at our line's equation so far: y=-1x+b. b is what we want, the -1 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the two points (2,5) and (4,3).

So, why not plug in for x and y from one of our (x,y) points that we know the line passes through? This will allow us to solve for b for the particular line that passes through the two points you gave!.

You can use either (x,y) point you want..the answer will be the same:

(2,5). y=mx+b or 5=-1 × 2+b, or solving for b: b=5-(-1)(2). b=7.

(4,3). y=mx+b or 3=-1 × 4+b, or solving for b: b=3-(-1)(4). b=7.

See! In both cases we got the same value for b. And this completes our problem.

The equation of the line that passes through the points

(2,5) and (4,3)

is

y=-1x+7

Answer:

12

Step-by-step explanation:

Answer:

x≥-4

Step-by-step explanation:

-2-3x ≤ 10

Add 2 to each side

-2-3x+2 ≤10+2

-3x ≤ 12

Divide by -3, remembering to flip the inequality

-3x/-3 ≥ 12/-3

x≥-4

Answer:

Easy x[tex]\geq[/tex]4

Step-by-step explanation:

a)-2-3x[tex]\leq[/tex]10 can be broken down by

b)-2-3x[tex]\leq[/tex]10

+2       +2

c)-3x[tex]\leq[/tex]12

  +3     +3

d) x[tex]\geq[/tex]4

Answer:

615.8in^3

Step-by-step explanation:

Given data

Radius= 14in

The expression for the area of circle is given as

A= πr^2

Area= 3.142*14^2

Area= 3.142*196

Area= 615.832in^3

Hence the area is 615.8in^3

Answer:

x = 4 is the answer

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