Manuela has a piece of red ribbon 7 1/2 feet long. She cut the ribbon to have one piece 1 3/4 feet long.
How long is the piece of ribbon that is left?

The coordinates of points C, E and G are respectively; C(-0.75, 8.5),  E(3.75, 7.5) and H(7.5, 6)

We are told that the line AB is divided into 7 equally spaced points labelled as C, D, E, F, G, H and I.

Now, coordinates of A and B are; A(-3, 9) and B(9, 5)

Since they are equally spaced, then it means that point F is the midpoint of the line. If (x, y) is the coordinate of F, then;

x, y = (-3 + 9)/2, (9 + 5)/2

x, y = (6, 7)

H is the midpoint of FB. Thus;

H(x, y) = (6 + 9)/2, (5 + 7)/2

H(x, y) = (7.5, 6)

D is midpoint of A and F. Thus;

D(x, y) = (-3 + 6)/2, (9 + 7)/2

D(x, y) = (1.5, 8)

E is midpoint of F and D. Thus;

E(x, y) = (1.5 + 6)/2, (8 + 7)/2

E(x, y) = (3.75, 7.5)

C is midpoint of D and A. Thus;

C(x, y) = (-3 + 1.5)/2, (9 + 8)/2

C(x, y) = (-0.75, 8.5)

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Answer:

Select the correct answer from each drop-down menu.

Segment AB has seven equally spaced points on it. Starting at A and moving left to right, the points are C, D, E, F, G, H, and I.

In the diagram,  is divided into equal parts. The coordinates of point A are (-3, 9), and the coordinates of point B are (9, 5).

The coordinates of point C are

.

The coordinates of point E are

.

The coordinates of point H are

.

cordinates for c are -1.5, 8.5 E is 1.5, 7.5 H is 6,6

Step-by-step explanation:

Answer:

Step-by-step explanation:

x^2 + 20^2 = 25^2

x^2 + 400 = 625

625-400=225

sqrt(225) = 15

x = 15

Given the possibility of an investment with an annual interest rate of 3.1 %, the person must deposit $ 580645.16 to receive monthly payments of $ 1500 for 20 years.

According to this question, the person have decided to invest money to receive a monthly payment, meaning no savings and the adequacy of using the simple interest formula:

g = C · (r/100)     (1)

Where:

If we know that g = 1500 and r = 3.1/12, then the invested money must be:

C = 100 · g/r

C = 100 · [1500/(3.1/12)]

C = 580645.16

Given the possibility of an investment with an annual interest rate of 3.1 %, the person must deposit $ 580645.16 to receive monthly payments of $ 1500 for 20 years.

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Answer:

30 % off

Step-by-step explanation:

12 dollars off of 40

40 (x) = 12

x = 12/40 = .3     or  30 %

a) We kindly invite to check the image attached below to see a detailed graph of the piecewise function.

b) The piecewise function is continuous.

A piecewise function is a conditional combination of two or more functions, whose expression depends on which value of the domain is the function evaluated at.

a) The piecewise function described in the question is plotted on a graphing tool (i.e. Desmos), whose result is presented in the image attached below.

b) A function is continuous if and only if there is one value from range for every value of domain. The piecewise function is continuous as linear functions are continuous and the two functions of the conditional combination have the same value for x = 30.

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Answer:

I. Evaluate the largest angle when x = 15

Explanation:

First, solve for x:

x + 8x + x + 30 = 180

10x = 180 - 30

10x = 150

x = 15

Here in the question, his friend wants to find the largest angle in triangle.

So, input x = 15 in the largest angle.

Which is, 8x = 8(15) = 120° <--- largest angle in the triangle.

Using the linear equation, Miguel must work for 160 hours to receive $10,000 in total pay

Miguel works as a technician in a company. If his hourly rate and flat pay are $50 and $2000, how many hours must Miguel worked to receive $10,000 in total pay?

Let the number of hours be x and the total pay be y.

The equation that represents the total pay is represented as:

y = Rate * x + Base pay

From the question, we have:

Base pay = 2000

rate = 50.

So, we have:

10000 = 50 * x + 2000

Subtract 2000 from both sides

8000 = 50x

Divide both sides by 50

x = 160

Hence, Miguel must work for 160 hours

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Answer:

7

Step-by-step explanation:

The format for a coordinate pair is (x-coordinate, y-coordinate). This means the y-coordinate comes second, and since the 7 comes second here we can say that 7 is the y-coordinate.

That is the answer

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A conditional statement to demonstrate the situation presented would be: If a person can vote -> Then they are over 18 years old. An alternative to this would be: If a person is 18 years or older -> Then they can vote in the United States elections.

A conditional statement is a type of structure to express the relationship between two dependent variables. Its structure is as follows:

According to the above, two conditional statements about voting in the United States would be:

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The amplitude of the function is 3/2 after comparing with the general equation option (C) is correct.

It is defined as the function which is in the form of cosine waves in nature, and it has a domain of all real numbers and lies between the [a, a] where is a amplitude of the function.

We have a cos function:

y = 3/2 cos(3x) + 1

We know,

f(x) = acos(bx - c) + d

The above function represents the cos function where:

a = amplitude

b = is the period of the function

c = phase shift

d = vertical shift

On comparing we get:

a = 3/2

Thus, the amplitude of the function is 3/2 after comparing with the general equation option (C) is correct.

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Answer:

x = 1

Step-by-step explanation:

you can first find the two zeroes

that would be

x + 2 = 0

x - 4 = 0

x = {-2, 4}

then you average them

-2 + 4 = 2

2 / 2 = 1

the aos is 1

Answer:

x=1

Step-by-step explanation:

[tex]y=x^{2} -4x+2x-8[/tex]
[tex]y=x^{2} -2x-8[/tex]   [tex](a=1, b=-2)[/tex]
[tex]x=-\frac{b}{2a} =\frac{-2}{2*1}[/tex]
[tex]x=1[/tex]
[tex]y=(x+2)(x-4), x=1[/tex]
[tex]y=(1+2)(1-4)[/tex]
[tex]y=-9[/tex]

Answer:

x/3 - 8 =15

x/3 =15+8

69/3 =23

69 =23*3

69. =69

Answer:

E looks like it is most congruent

Step-by-step explanation:

Answer:

K=3.5

Step-by-step explanation:

1. y/x=k

2. 7/2 or

[tex]7 \div 2 =[/tex]

( 3.5 )

3. 10.5/3 or divided by 3 is 3.5

4. Continue divided y/x and if you get same answer than your constant of proportionality is 3.5 only for this question.

Answer:

2, 4, 6, 8

Step-by-step explanation:

even numbers are numbers that can be equally split in half.

Example:

[tex]\frac{3}{2} =\frac{x}{12}[/tex]

---Cross multiply

2x = 36

---Divide both sides by 2

x = 18

Hope this helps!

Answer:

I'm not really sure what you mean by the numbers because that's alot.

Step-by-step explanation:

But all you have to do is:

Plus the morning and evening amount and then times it by 5

Like this: y + z x 5

I hope this helped!
Sorry if it didnt...

But have a nice day

Answer:

y+12=1+s = (-5,8)(3,0)

y-17=12-9r = (2,3)(8,9)

y-15=-12+4x = (-2,3)(7,-6)

y+5=x-3x = (-2,5)(3,-5)

Answer:

140

Step-by-step explanation:

here,

You have 1050

now

$1050(45×6)

=140 items

Hello, the answer should be [tex]m=\frac{6}{5}= 1,2[/tex].

First, let's edit the given function as [tex]y[/tex] parameter leave alone.

[tex]15x+18y=270\\\\18y=270-15x\\\\y=\frac{270-15x}{18}\\ \\y=\frac{270}{18}-\frac{15x}{18}[/tex]

If the given equation looks like;

[tex]y=f(x)\\\\y=ax+b[/tex]

then, the slope of the equation is the coefficient of [tex]x[/tex] parameter ([tex]a[/tex])

The slope(m);

[tex]m=\frac{-15}{18}=\frac{-5}{6}[/tex]

The product of the slopes of two perpendicular lines must be [tex]-1[/tex]. By that way, the slope of a line perpendicular to the given line is below:

[tex]m_{expected}=\frac{-1}{m_{given}} \\\\m_{expected}=\frac{-1}{\frac{-5}{6} }=\frac{6}{5}[/tex]

Good luck. If you have any questions, then feel free to ask in comments!

The volume of 10 ounces of lemonade in litres is 0.295735 litres.

He needs 10 ounces of lemonade.

To know the volume in litres, we have to convert from ounces to litres.

Therefore,

1 ounces = 0.0295735 litres

10 ounces = ?

cross multiply

volume in litres = 0.0295735 × 10

volume in litres = 0.295735

Therefore, the volume of the lemonade in litres is 0.295735 litres.

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4² is simplified expression for  [tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex].

Index (indices) in Maths is the power or exponent which is raised to a number or a variable.

Here, Given expression = [tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex]

[tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex] = [tex]\frac{4^{4+3} }{4^{5} }[/tex]

      = 4⁷/4⁵

      = 4⁷⁻⁵

      = 4²

Thus, 4² is simplified expression for [tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex].

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The solutions to the trigonometric inequality in the interval is given by:

[tex]\frac{\pi}{6} \leq x \leq \frac{5\pi}{6}[/tex], or [tex]\frac{7\pi}{6} \leq x \leq \frac{11\pi}{6}[/tex]

It is given by:

[tex]\sin^{2}{x} > \cos{x}[/tex]

We have the following identity:

[tex]\sin^2{x} = 2\sin{x}\cos{x}[/tex]

Hence:

[tex]2\sin{x}\cos{x} > \cos{x}[/tex]

[tex]2\sin{x} > 1[/tex]

[tex]\sin{x} > \frac{1}{2}[/tex]

Between the first and second quadrant, the solution is:

[tex]\frac{\pi}{6} \leq x \leq \frac{5\pi}{6}[/tex]

Between the third and fourth quadrants, the solution is:

[tex]\frac{7\pi}{6} \leq x \leq \frac{11\pi}{6}[/tex]

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The method that can be used to randomly choose these 500 people is the use of systematic random sampling.

Random sampling is defined as the method of sampling in which the whole sampling frame is being considered.

In order the survey a community of people to see whether they are willing to have their taxes increased for one year to fund the construction of the skate park, both the male and female should be considered.

The systematic random sampling will give the both male and female equal opportunity to the chosen.

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Step-by-step explanation:

a lot of typos in the problem description.

I assume the price of the mix is 1:1 related to the prices of the individual types of coffee.

so, from what I understood we can define

x = pounds of the first type of coffee.

y = pounds of the second type of coffee.

x + y = 21 pounds

1.4x + 2.95y = 2.6(x + y) = 2.6×21 = $54.60

in the second equation we have to bring the given "$2.60 per pound" to the total price, which is $2.60 times the total amount of pounds (which is 21).

from the first equation we get

x = 21 - y

and that we use in the second equation

1.4×(21 - y) + 2.95y = 54.6

29.4 - 1.4y + 2.95y = 54.6

1.55y = 25.2

y = 25.2 / 1.55 = 16.25806452... ≈ 16.26 pounds

x = 21 - y = 4.741935484... ≈ 4.74 pounds

so, he should mix 4.74 pounds of the first (cheaper) type and 16.26 pounds of the second (expensive) type.

Answer:

where the segment ??????!??!??!?

Step-by-step explanation:

give me the segment I may be able to answer

Answer:

x = 24

Step-by-step explanation:

x - (3 · 4) = 12

x - 12   =     12

  + 12      + 12

x = 24