Keaton drew an equilateral triangle on the computer. If the perimeter of the triangle is 29.4 centimeters, the length of a side of the triangle is
centimeters.

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Explanation:

Sean can make 1 paper crane in 6 minutes. His unit rate is 1/6 of a paper crane per minute.

Emily's unit rate is 1/8 of a paper crane per minute.

Their combined unit rate is 1/6 + 1/8 = 4/24 + 3/24 = 7/24 of a paper crane per minute.

Each minute, they can make 7/24 of a paper crane. Put another way, every 24 minutes, they can make 24*(7/24) = 7 cranes.

Let x be the number of minutes needed to make 112 paper cranes.

Multiply the combined unit rate with x and set it equal to 112

(combined unit rate)*(amount of time) = amount made

(7/24)x = 112

x = 112*(24/7)

x = 384

They need 384 minutes if they work together to make 112 paper cranes.

Sean can make 384/6 = 64 paper cranes while Emily can make 384/8 = 48 paper cranes. As a check, 64+48 = 112 to help confirm the answer.

The equation that is represented by the graph is

y = x2 + 4x + 1

This is further explained below.

Generally, The collection of ordered pairings where f(x)=y exists constitutes the graph of a function.

These pairs are Cartesian coordinates of points in two-dimensional space and so constitute a subset of this plane in the typical situation when x and f(x) are real integers.

In conclusion, Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Up

Vertex: (-2,-3)

Focus:[tex]\left(-2,-\frac{11}{4}\right)[/tex]

Axis of Symmetry: x=-2

Directrix: [tex]y=-\frac{13}{4}[/tex]

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Answer:

It would go 3 to the write of x.

Step-by-step explanation:

If B is the 3 spaces to the left of x and T is three spaces to the right of x, x would be in the middle.

In the picture, you have B=2, X= 5

so T goes if X is the midpoint of BT is

X= (B+T)/2

5 x 2= 2+ T

10 = 2+T

therefore, T = 8

Answer: The answer should be 3 hours

Step-by-step explanation: 8+4=12, divide the sum by 36: 36÷12=3

She had worked 3 hours.

The correct 4 Digit Code (no spaces) is 0164 .

In the question ,

the numbers representing the equation are given

to find

the first statement

-C.P-(-K.I)

From the figure we can see that C=2 ,P=7 ,K=5 ,I=4,

hence -C.P-(-K.I) = -2.7-(-5.4) = -14+20 = 6.0    .....(i)

the second statement

E/H + -L/T

From the figure we can see that E=3 ,H=4 ,L=5 ,T=8

hence E/H + -L/T = 3/4 + -5/8 = 3/4 - 5/8 = 1/8  ...(ii)

the third statement

B/W × -N/T

From the figure we can see that B=2 ,W=9 ,N=6 ,T=8

hence B/W × -N/T = 2/9 × -6/8 = -1/6    ...(iii)

the fourth statement

-F/J ÷ -M/V

From the figure we can see that F=3 ,J=5 ,M=6 ,V=8

hence -F/J ÷ -M/V = -3/5 ÷ -6/8 = 4/5   ....(iv)

From equation (i) , (ii) , (iii) and (iv) , we get

-C.P-(-K.I) = 6.0

E/H + -L/T = 1/8

B/W × -N/T = -1/6

-F/J ÷ -M/V = 4/5

the number from the red color lines are 0,1,6,4

hence the code is 0164 .

Therefore , the correct 4 Digit Code (no spaces) is 0164 .

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Despite that JSR stock price was $52.33 in October, when the stock increase and decrease are accounted for, then, the price of the stock in December equals to $51.91.

Also known as share price, it refers to the price of a single share of a number of sale-able equity shares of a company.

Given data

Stock price for JSR was $52.33 in October.

November, the stock had increased by 9%

December, the price fell by 9%.

In November, the firm's stock price will be:

= Stock price in October * (1 + 0.09)

= $52.33 * (1.09)

= $57.0397

In December, the firm's stock price will be:

= $57.0397 * (1 - 0.09)

= $57.0397 * 0.91

= $51.906

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The correct answers are point of intersection and point plotted on an object.

       The length of the line segment bridging two points on a plane is known as the distance between the points. d=((x2 - x1)2 + (y2 - y1)2) is a common formula to calculate the distance between two points.

         Except for when the points coincide, distances in geometry are always positive. The distance between points A and B is equal to their respective distances. We take two points A(a,b) and B into consideration in order to calculate the formula for the distance between two points in the plane (c,d).

     In coordinate geometry, the distance between two given points is calculated using the distance formula. D=(x2x1)2+(y2y1)2 D = (x 2 x 1) 2 + (y 2 y 1) 2 is the formula for calculating the distance between two points (x1,y1) (x 1, y 1) and (x2,y2) (x 2, y 2).

    Say, for instance, that you are asked to determine the distance between two points at ( -6,-2 ) and ( -1,10).

First step:  

Give x 1, y 1, x 2, and y 2 their respective assignments.

Consider the cases where (x 1, y 1 ) = ( -6,-2)) and (x 2, y 2 ) = ( -1,-10).

      x1 = -6

      y1 =- 2

      x2 =  -1

      y2  = 10

Second Step:

Replace in the Distance Formula

Now that we know the numbers for x1, y1, x2, and y2, we can enter them into the Distance Formula.

d = √(-6,-2)² + (-1-10)²

   = √(8)² + (11)²

   = √16+22

   = √38.

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The inverse function of f(x) = 4x is:

f⁻¹(x) =  (1/4)*x

So the correct option is the fourth one.

For any function f(x) we define the inverse f⁻¹(x) such that:

f(f⁻¹(x))  =x

f⁻¹(f(x)) = x

In this case we have f(x) = 4*x

Then the inverse is also a linear function:

f⁻¹(x) = a*x + b

Using the rules for inverses we get:

f⁻¹(f(x)) = a*f(x) + b = a*(4x) + b = x

a*(4x) + b = x

Then we have b = 0

a*4x  = x

a*4 = x/x

a*4 = 1

a = 1/4

The inverse is:

f⁻¹(x) =  (1/4)*x

The correct option is the last one.

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Answer:

130 degrees

Step-by-step explanation:

When two lines intersect, the opposite angles are equal, therefore, in this example, 7c+36 = 5c+40. We can find c using this equation.
7c+36 = 5c+40
7c-5c = 40-36
2c = 4
c = 4/2 therefore c=2

now that we know c is equal to 2, we can find out both of those angles.
therefore 5c+40 = (5*2)+40 = 10+40= 50
and 7c+36 = (7*2)+36 = 14 +36 = 50

now we know that those two angles add up to 100.

to find the sum of x and the angle opposite to x, subtract 100 from 360
360-100 = 260

since the angle opposite of x is equal to x, x+x = 260
2x=260
x=260/2 = 130

x is 130 degrees

Answer:

x = 130

Step-by-step explanation:

7c + 36 and 5c + 40 are vertically opposite angles and are congruent , so

7c + 36 = 5c + 40  ( subtract 5c from both sides )

2c + 36 = 40 ( subtract 36 from both sides )

2c = 4 ( divide both sides by 2 )

c = 2

Then

7c + 36 = 7(2) + 36 = 14 + 36 = 50

5c + 36 and x are a linear pair and sum to 180° , that is

50 + x = 180 ( subtract 50 from both sides )

x = 130

We can conclude that Angle ∠2 is 127°.

So, in order to solve for x, you must first write an expression using the following measurements from both ∠1 and ∠2.

Then, 5x + 12 = 6x - 11

Now, solve for x as follows:

We know that x = 23.

Solve for ∠2 as follows:

Therefore, angle ∠2 is 127°.

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Answer: We will be needing 78.54 square meters of sheet metal to make the grain storage silo shown.

Step-by-step explanation: to calculate he total square meters of sheet metal needed to make this grain storage silo we need to calculate the total surface area of the entire structure

for the given structure,

Total surface area = Curved surface area of the cone + curved surface area of the cylinder

curved surface area of cone = [tex]\pi rl[/tex] where r= radius of the base of cone

Given, [tex]2r= 4m[/tex]

⇒[tex]r = \frac{4}{2}=2 metres[/tex]    

slant height of cone [tex]l=\sqrt{(r^{2}+h^{2} ) }[/tex]   where h=1.5 m is the vertical height of the cone

∴ [tex]l = \sqrt{(2^{2}+1.5^{2} ) }=\frac{5}{2}=2.5 m[/tex]              

∴curved surface area of cone [tex]= \pi rl= \pi *2*2.5=5\pi =15.71m^{2}[/tex]             (1)

curved surface area of cylinder(without the floor) =[tex]2\pi rh[/tex]

where r= radius of cylinder and h= height of the cylinder

Given r= 2 m and h=5 m

∴curved surface area of cone =[tex]2\pi rh[/tex]=[tex]2*\pi *2*5=20\pi =62.83m^{2}[/tex]           (2)

From results (1) and (2)

the total surface area of silo = (15.71 + 62.83)[tex]m^{2}[/tex] = 78.54[tex]m^{2}[/tex]

Thus we need 78.54 [tex]m^{2}[/tex] of sheet metal to make the grain storage silo

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A table of data for two different linear functions using the same values of x for both functions is shown below:

From the table, it can be seen that when x = -1, the function y = 2x + 7 has a value of 5 and the function y = -x + 4 has a value of 5.

Therefore, the graph of the two functions will intersect at (1, 5)

The length of the diagonal AB of the cube is 8.7 cm.

Length of a face diagonal of cube = √2a, where a = Length of each side of a cube.

Length of body diagonal of a cube = √3a, where a = Length of each side of a cube.

Given:

Side length of the cube(a) = 5 cm

We have to find the length of the diagonal AB which is a body diagonal.

Length of Body diagonal(AB) = √3a

Substituting the given value in the formula,

Length of the body diagonal of cube = √3a

⇒ √3a ⇒√3 × 5 = 8.7 cm

Therefore, the length of AB i.e. the body diagonal of the cube is 8.7 cm.

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The entered points belong to a vertical line. There is no slope.

Equation: x = -19.

Answer:

2'

Step-by-step explanation:

An eleven-foot long board must be cut into three pieces so that one piece is 1-foot shorter than half the length of the longest piece and the other piece is 3 feet shorter than the longest piece. How long is the shortest piece?

board 1 = 0.5L - 1

board 2 = L - 3

board 3 = L

so:

(0.5L - 1) + (L - 3) + L = 11'

0.5L - 1 + L - 3 + L = 11'

combine L on left side:

2.5L - 4 = 11

add4 from both sides:

2.5L - 4 + 4 = 11 + 4

2.5L = 15

divide both sides by 2.5:

2.5L/2.5 = 15/2.5

L = 6

Formula for boards are, substitute in L = 6:

board 1 = 0.5L - 1

= 0.5(6) - 1

= 3 - 1

= 2'

board 2 = L - 3

= 6 - 3

3'

board 3 = L

= 6

shortest board is board 1 at 2'

Answer:

y = - x - 6

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - x ← is in slope- intercept form

with slope m = - 1

• Parallel lines have equal slopes , then

y = - x + c ← is the partial equation of the parallel line

to find c substitute (- 8, 2 ) into the partial equation

2 = 8 + c ⇒ c = 2 - 8 = - 6

y = - x - 6 ← equation of parallel line

Answer:

Y = 60x

Step-by-step explanation:

Find the slope by finding Y2 - Y1/X2 - X1, 1 and 2 being two separate points on the graph. 120-0/2 = 6

5a^3 x 2b^2 x 4a^2 x b^5 / 3a^2 x 5b^3 (rewrite)

= 20a^5 x 2b^7 / 3a^2 x 5b^3
= 40a^5 x b^7 / 15a^2 x b^3
= (8/3) x a^3 x b^5

Answer:2.04x10 to the 4th

Step-by-step explanation:

multiply 20.4 x 1000

Then write the answer like this: 20,400

now make a decimal under ten countaining all #s that arent 0: 2.04

count the decimal places between the end of the 2 and the last 0 in the number 20,400

There are 4 places so thats 10 the power of 4

Now just put it all together

The coordinates of the images of the vertices of the rectangle are B'(x, y) = (- 4, 2), C'(x, y) = (- 4, 7), D'(x, y) = (0, 7) and E'(x, y) = (0, 2).

Rectangles are defined by the location of its four vertices set on Cartesian plane, whose images must be found by using a transformation known as translation, whose formula is defined below:

P'(x, y) = P(x, y) + T(x, y)

Where:

If we know that B(x, y) = (3, 2), C(x, y) = (3, 7), D(x, y) = (7, 7), E(x, y) = (7, 2) and T(x, y) = (- 7, 0), then the images of the vertices are:

B'(x, y) = (3, 2) + (- 7, 0)

B'(x, y) = (- 4, 2)

C'(x, y) = (3, 7) + (- 7, 0)

C'(x, y) = (- 4, 7)

D'(x, y) = (7, 7) + (- 7, 0)

D'(x, y) = (0, 7)

E'(x, y) = (7, 2) + (- 7, 0)

E'(x, y) = (0, 2)

Now we proceed to present the resulting figure.

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If the length of the room is 17 inches one the architect's plan, the actual length of the room in feet if the scale of the plan is 1.25 inches to 3 feet is

40.8 feet

The length of the room on the architect's plan = 17 inches

The scale of the plan = 1.25 inches to 3 feet

That means

The length on the plan/ The actual length = 1.25 inches / 3 feet

Substitute the value of the length on the plan in the equation

17 / The actual length = 1.25/3

The actual length of the room  = 17/0.42

= 40.8 feet

Hence, if the length of the room is 17 inches one the architect's plan, the actual length of the room in feet if the scale of the plan is 1.25 inches to 3 feet is 40.8 feet

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Answer:

The correct answer is C. On the vertex of Figure A.

Step-by-step explanation:

Before you can find the answer to the question, you must first know what the center of dilation means in math. The center of dilation is a reference point used to appropriately scale the dilation of a figure. The vertex is the the point opposite to and farthest from the base of a geometrical figure, or the common endpoint of the sides of an angle.

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!! how to solve for the x

6) to solve for x just simplify both equations and set it to 180; they are co-interior angles which is why they both add to 180.

12x-29 + 4x + 1

16x -28 = 180

16x = 208;

x = 13

8) 4x - 18 = 90;

4x = 108

x = 27

Step-by-step explanation:

-1/7 is exact form and Slash or / is division . -0.142857, Decimal form and horizontal line is division too . It is the simplest form .

Answer:

$21.40

Step-by-step explanation:

List price = $19.95

Sales Tax Rate = 7.25%

Total sales tax = 19.95 x 7.25/100 = $ 1.45

Total cost = 19.95 + 1.45 = $21.40

The following are the solutions to the given problems by using binomial probability principle:

1.) P(X ≤ 3)

P(X ≤ 3) = p(x = 0) + p(x = 1) + p(x = 2) + p(x = 3)

Use a binomial probability calculator :

P(X ≤ 3) = 0.277 + 0.365 + 0.231 + 0.093

P(X ≤ 3) = 0.966

2.) P(X < 3)

P(X < 3) = p(x = 0) + p(x = 1) + p(x = 2)

Use a binomial probability calculator :

P(X < 3) = 0.277 + 0.365 + 0.231

P(X < 3) = 0.873

3.)P(X ≥ 4)

P(X ≥ 4) = p(x = 4) + p(x = 5) +...+ p(x = 50)

Use a binomial probability calculator :

P(X ≥ 4) = 0.034

4.) P(1 ≤ X ≤ 3)

P(1 ≤ X ≤ 3) = p(x =1) + p(x =2) + p(x =3)

Use a binomial probability calculator :

P(1 ≤ X ≤ 3) = 0.365 + 0.231 + 0.093

P(1 ≤ X ≤ 3)= 0.689

D.) σ(X)

E(X) = np = 25 × 0.05

E(X)  = 1.25

σ(X) = √(npq)

σ(X) = √(25 × 0.05 × 0.95)

σ(X) = √1.1875

σ(X) = 1.090

E. Probability for none do have food allergy :

P(X = 0) = ⁵⁰C₀ × 0.05^0 × 0.95^50

P(X = 0) = 0.0769

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The angles with sides HA and HE are ∠AHE and ∠EHA.

There are some angles given from which we need to find those with sides HE and HA.

The angles given are :

A. ∠AHE B. ∠AGE C. ∠EHA D. ∠EGA E. ∠AHB

For this first we need to understand the naming of angles.

An angle is either named by a single alphabet, mostly when the angle is not divided, or it is named using three letters from which we can clearly understand the sides of the angles.

For example, ∠XYZ has sides XY and YZ with the angle at the point Y.

So we will try to find the sides of each angles given in options.

A. ∠AHE has sides HA and HE with angle at the point H.

B.  ∠AGE has sides AG and GE with angle at the point G.

C. ∠EHA has sides HE and HA with angle at the point H.

D. ∠EGA has sides EG and GA with angle at the point G.

E. ∠AHB has sides HA and HB with angle at the point H.

Hence the angles for which HA and HE are sides are ∠AHE and ∠EHA.

The question is incomplete. Find the complete question below:

Select all the angles for which HA and HE are the sides.

A. ∠AHE B. ∠AGE C. ∠EHA D. ∠EGA E. ∠AHB

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