Write a sine function that has an amplitude of 3, a midline of 5 and a period of pie

They would require more 4 8/22 days to complete the work.

Ann can translate the document in 10days

In 1 day he can translate 1/10 of the document

In 2 days he translates = 2 x 1/10

Ben can translate the same document in 12 days

In 1 day he can translate 1/12

Work left after Ann works for 2 days is 1 - 2/10 = 8/10

When working together they can work in 1 day is= 1/10 + 1/12 = 22/120

They do 22/120 work in 1 day

For 1 work, they require 1/(22/120) = 120/22

for 8/10, they would require (120/22)(8/10) = 96/22 = 4 8/22

Therefore, They would require more 4 8/22 days to complete the work.

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Answer:

38 songs in each group.

Step-by-step explanation:

Alexander has 418 songs on his MP3 player. he divides the songs into 11 equal groups. About how many songs are in each group. (round the numbers)

418/11 = 38 songs in each group.

Linear Equations

2y+x=6 ... (i)

2y-3x=-2 (ii)

x=2

y=2

To solve this problem, we will use a substitution method.

We would first transform equation (i) to get the formula for x-value.

2y+x=6

x=6-2y... (iii)

Next, we will substitute the equation (iii) into (ii) to find the value of y.

2y-3x=-2

2y-3(6-2y)=-2

2y-18+6y=-2

8y-18=-2

8y=16

y=2... (iv)

Then we would substitute the equation (iii) with the value y on the equation (iv)

x=6-2y

x=6-2(2)

x=6-4

×=2

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Answer:

(2, 2 )

Step-by-step explanation:

2y + x = 6 → (1)

2y - 3x = - 2 → (2)

subtract (2) from (1) term by term to eliminate y

(2y - 2y) + x - (- 3x) = 6 - (- 2) , that is

x + 3x = 6 + 2

4x = 8 ( divide both sides by 4 )

x = 2

substitute x = 2 into either of the 2 equations and solve for y

substituting into (1)

2y + 2 = 6 ( subtract 2 from both sides )

2y = 4 ( divide both sides by 2 )

y = 2

solution is (2, 2 )

The equation of the parallel line is y = -x

The equation is given as

y = -x - 2

The point is also given as

point = (2, -2)

The equation of a line can be represented as

y = mx + c

Where

slope = m

By comparing the equations, we have:

m = -1

This means that the slope of  y = -x - 2 is -1

The slopes of parallel lines are equal

This means that the slope of the other line is -1

The equation of the parallel line is then calculated as

y = m(x - x₁) +y₁

Where

m = -1

(x₁, y₁) = (2, -2)

So, we have

y = -1(x - 2) - 2

Open the brackets and evaluate

y = -x

Hence, the parallel line has an equation of y = -x

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The value of p and q in the equation are -10 and 21 respectively.

The value of p and q will be found in the equation before we can form another equation with p and q.

Therefore,

p + q = 11

2p+ q = 1

using elimination method

p = 1 - 11

p = -10

q = 11 + 10

q = 21

Therefore,

3p + 2q = 12 (let's check if its correct)

3(-10) + 2(21) = -30 + 42 = 12

Therefore, 3p + 2q = 12 is correct.

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Answer:

Step-by-step explanation:

Assume the cost for a cup of coffee is x and the cost for a cup of tea is y.

For Alex: 4x+3y=6.95

For Ben 5x+2y=7.20

Then multiply Alex's cost by 2 and Ben's by 3 to cancel y.

8x+6y=13.90

15x+6y=21.60

Equation 2 minus equation 1 would be

15x+6y-(8x+6y)=15x+6y-8x-6y=7x

21.60-13.90=7.70

7x=7.70

Then x=1.10 and plugging it one of the equations,

y= 0.85

A cup of coffee costs 1.10 pounds and A cup of tea is 0.85 pounds

:)

Answer:

[tex]4 \alpha ngles[/tex]

4 angles

hope it help!

have a nice night

The rewritten form of the given expression such that it is without absolute value notation is; 2b.

It follows from the task content that the rewritten form of the given expression; | 2b | is to be determined.

On this note, since it is given that the variable b is less than zero; i.e b < 0.

It follows that the expression evaluation of 2b yields a negative number.

However, the rewritten form of the expression without the absolute value notation since the value of b is unknown still remains; 2b.

Therefore, the required rewritten form is; 2b.

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Hi again! The equation to the function would be..

y = 1/2x + 1 (assuming that the initial value is one)

The time taken by the object to hit the ground is 10 seconds , the correct option is (a) .

In the question ,

it is given that ,

the object is dropped from the height of 1600 feet ,

So , the height h(t) = 1600

the equation representing the height of the object at time t is ,

h(t) = 16t² + 155

Substituting the height h(t) = 1600

16t² + 155 = 1600

16t² = 1600 - 155

16t² = 1445

t² = 1445/16

t² = 90.31

t = √90.31

t = 9.503

t ≈ 10 seconds

Therefore , The time taken by the object to hit the ground is 10 seconds .

The given question is incomplete , the compete question is

An object is dropped from a height of 1,600 feet. The amount of time, in seconds, the object takes to hit the ground can be found by solving the equation 16t² + 155 = h(t) . How many seconds will it take to hit the ground ?

(a) 10

(b) 50

(c) 100

(d) 500

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The fourth power of the complex number 1 + i has an argument of π radians.

In this problem we find a complex number of the form z = (a + i b)ⁿ, where n is the grade of the power of the complex number, whose expanded form is obtained by the De Moivre's theorem:

(a + i b)ⁿ = rⁿ · (cos nθ + i sin nθ)

Where:

And the norm and the argument of the complex number are, respectively:

Norm

r = √(a² + b²)

Argument

θ = tan⁻¹ (b / a)

First, determine the components of the complex number and its power:

a = b = 1; n = 4

Second, calculate the argument of the complex number:

θ = tan⁻¹ 1

θ = π / 4 rad.

Third, find the argument of the power of the complex number according to De Moivre's theorem:

θ' = 4 · (π / 4)

θ' = π

The argument of the power of the complex number is π radians.

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The quadrilateral with vertices (0,0), (5,0), (8,4), and (3,4) is a rhombus.

What is a rhombus?

A quadrilateral with all equal sides is a rhombus. Rhombuses are a particular kind of parallelogram in which all of the sides are equal since the opposite sides of a parallelogram are equal.

What is a distance formula?

D = √(x₂ - x₁)² + (y₂ - y₁)²

Here, we have

Given vertices A(0,0), B(5,0), C(8,4), and D(3,4)

By applying the distance formula, we get

AB = √(5 - 0)² + (0 - 0)²  = 5

BC = √(8 - 5)² + (4 - 0)²  = 5

CD = √(3 - 8)² + (4 - 4)²  = 5

Hence, it's all sides are equal so it is a rhombus.

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The given linear function is [tex]f (h) = - \frac{1}{5} x + 3[/tex]. The graph is attached at the end.

Let the independent variable be x.

It is given in the question:

Value of the function, h at 0 = 3

Thus, h(0) =3

Also, when the independent variable decreases by 5, the dependent variable increases by 1.

So, slope = -[tex]\frac{1}{5}[/tex]

y-intercept = 3

We know the linear equation is-

y = mx + b ... (i)

where y ⇒ linear function

m ⇒ slope of the line

x ⇒ independent variable

b ⇒ y-intercept

Putting the values of each term in equation (i), we get:

[tex]h (x) = - \frac{1}{5} x + 3[/tex]

We can plot this equation in a graph, as attached below.

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The complete question is:
Graph the function with the given description. A linear function h models a relationship in which the dependent variable increases 1 unit for every 5 units the independent variable decreases. The value of the function at 0 is 3.

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⇒Let us first find the expression of f(h(t))

⇒It means in the expression of f in the place of t you will plug in the value of what h is equal to.

[tex]f(h(t))=(-2t)-8\\f(h(t))=-2t-8[/tex]

Now f(h(-5)) means in the place of t you will plug in -5 and simplify.

[tex]f(h(-5))=-2(-5)-8\\\\f(h(-5))=10-8\\f(h(-5))=2[/tex]

Answer:

7

Step-by-step explanation:

4 divided by 4/7 = 7

Answer:

Step-by-step explanation:

For the first one, find the value of x:

[tex]3x-8=-2\\3x=8-2=6\\x=2[/tex]

Then, use the value of x to find the answer:

For the second one, find the value of y:

[tex]-2(3y+5)=-4\\-6y-10=-4\\-6y=10-4=6\\y=-1[/tex]

Then, use the value of y to find the answer:

[tex]5y=5(-1)=-5[/tex]

Answer: you did not put in the full equation but i got this right out of the box.

ˉx 28

r 0.82

The length of the ramp is [tex]\sqrt{410}[/tex] inches.

According to the question,

We have the following information:

A ramp is elevated to a height of 7 inches from the base. The horizontal distance between the lower end of the ramp and the base is 19 inches.

So, it will be a right-angled triangle.

Now, we can use Pythagoras theorem to find the length of the ramp which is the hypotenuse of the triangle.

Let's denote the length of the ramp to be l, elevated height to be p and horizontal distance to be b.

[tex]l^{2} =p^{2} +b^{2}[/tex]

[tex]l^{2} =7^{2} +19^{2}[/tex]

[tex]l^{2}[/tex] = 49+361

[tex]l^{2}[/tex] = 410

l = [tex]\sqrt{410}[/tex] inches

Hence, the length of the ramp is [tex]\sqrt{410}[/tex] inches.

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The equation of a circle with center (-3, -5) and radius 4 is (x+3)^2+(y+5)^2=16.

In the given equation we have to find the equation of circle with center and radius.

The given center is (-3, -5).

Radius = 4

The standard equation of a circle with center and radius.

(x−a)^2+(y−b)^2=r^2

where a and b represent a point of center and r represent a radius.

So a=-3, b=-5 and r=4.

Putting the value in the standard equation.

(x−(-3))^2+(y−(-5))^2=(4)^2

Simplifying

(x+3)^2+(y+5)^2=16

Hence, the equation of a circle with center (-3, -5) and radius 4 is (x+3)^2+(y+5)^2=16.

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Answer: no

Step-by-step explanation:

8 and 20 can both be divided by 4

8 divided by 4 = 2

and 20 divided by 4 = 5

based on this, we can tell that 8/20 is not equivalent to 4/ but rather 2/5

I hope that helps

Answer:

No

Step-by-step explanation:

Because if you divide the numerator by something you have to do the same for the denominator. This means the if you do 8÷2 to get 4 then you do 20÷2 you get. 8/20=4/10/2/5

The correlation coefficient is the square root of the coefficient of determination.

A. The linear model is y' =  -0.357+4.034x

Where y' is the predicted heart weight and X is the body weight

B. The intercept of -0.357 is actually showing the non existence of the heart weight when the body weight is absent, ie. When X=0

C. The slope indicates that with each unit increase in the body weight x, the heart weight y increases 4.034 times.

D. R^2 = 64.66% indicates that 64.66% variation in the dependent variable that is explained by our model.

E. Given that the coefficient of determination = 0.6466

Thus the correlation coefficient is the square root of the coefficient of determination

Thus, R = √0.6466 = 0.8041

( Since the slope is positive the correlation ought to be positive)

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The question was incomplete. Check below the complete question.

The following regression output is for predicting the heart weight (in g) of cats from their body weight (in kg). The coefficients are estimated using dataset of 144 domestic cats_ Estimate Std. Error t value Pr(> /tl_ 20 (Intercept _ -0.357 0.692 -0.515 0.607 body wt 4.034 0.250 16.119 0.000 ? 15 1.452 R2 64.66% Radj 64.41% 1 Write out the linear model. [ 10 Interpret the intercept_ Interpret the slope. Interpret R?_ 2.0 Calculate the correlation coefficient 2.5 3.0 3.5 Body weight (kg) 4.0.

The amount that the salesman pay the manufacturer for the computer is $20800.

From the information, the salesman sold the computer for $15600 making a loss of 25%.

The amount that the salesman pay the manufacturer for the computer will be illustrated thus:

Since a 25% loss was made, the cost price will be: = 100% + 25% = 75%

Therefore, the cost price will be:

= Sales price / 125%

= $15600 / 0.75

= $20800

The amount is $20800.

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The equation of line will be given as y = 3x + 24

Given,

The graph of a linear function passes through the points (4, 24) and (6, 30).

The equation of the line will be given as:-

y  -  y₁ = m ( x  -  x₁)

Slope m will be calculated as:-

m = (y₂ - y₁) / (x₂ - x₁) = (30 - 24) / (6 - 4) = 6/2 = 3

The equation will be:-

y  -  24  =  3 ( x - 4 )

y  = 3x - 12 + 24

y = 3x + 24

Therefore the equation of the line will be given as y = 3x + 24.

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The total admission fee of the group is 22.5m + 51n + 48.

Given that the admission fee to a museum is $12.50 per nonsenior adult, $8 per child, and $6.50 per senior citizen.

Also, it was further stated that the tour group consists of m nonsenior adults, (5/4m +6) children, and 8n senior citizens.

The total amount for the fees will be:

= Non senior adults + Children + Senior citizen

= 12.5(m) + 8(1.25m + 6) + 6.50(8n)

= 12.5m + 10m + 48 + 51n

= 22.5m + 48 + 51n

= 22.5m + 51n + 48

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The animal that is farthest from 0 on the number line is the Fanfin anglerfish.

A number line is a marked straight line that is used to visually represent real numbers.

The values given in the table are negative number. A negative number is a number that has a value less than zero. A negative number is represented with a minus sign. The table has decimals, mixed numbers and fractions.

The larger a number is, the farther the distance of the number from 0 on the number line. In the given table, the largest number is -2 1/4. Thus, -2 1/4 is the farthest from the number line.

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The area of the regular pentagon with sides of 7 cm is 84.30 cm²

The area of a regular pentagon can be determined if the side length (s) is given. The formula used for calculating the area of a regular pentagon is:

[tex]A = \frac{1}{4}\sqrt{5(5+2\sqrt{5})}s^{2}[/tex]

Given: side length (s) = 7 cm

Area (A) = 1/4×√( 5(5+2√5) ×7²  = 84.30 cm²

Therefore, the area of the pentagon is 84.30 cm²

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Answer:
x = 48/3

when Jack got 50 chocolates and has left 2, then Jack gave away 50-2=48 chocolates. When each friend got 3 chocolates, the number of friends x is equal to 48 divided by 3.