Determine the new coordinate location after (-3,7) on the graph y=-x^2 has undergone the following transformation: A reflection in the x axis followed by a vertical translation of 4 units up. What is the new coordinate?

Answer:

  28

Step-by-step explanation:

You require a teacher : children ratio of at least 1 : 4 for the activity of climbing, and you want to know the greatest number of children that can go climbing with 7 teachers.

We can describe this problem by the inequality ...

  teachers/children ≥ 1/4

  7/children ≥ 1/4 . . . . . for 7 teachers

multiplying by (4·children) gives ...

  28 ≥ children

At most, 28 children can go climbing.

The word problem of swimming pool resulted to a simultaneous equation and the solution is

the number of adults in the pool is 242

the number of children in the pool is 317

The problem is a simultaneous equation of two unknowns with two equations.

The equations are formed as follows

let the number of adults in the pool be x

let the number of children in the pool be y

559 people used the public swimming pool

559 = x + y

The daily prices are $1.25 for children and $2.50 for adults. The receipts for admission totaled $1001.25

1.25y + 2.50x = 1001.25

Hence:

x + y = 559

1.25y + 2.50x = 1001.25

solving the equation gives

y = 317

x = 242

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The amount of time it takes for the cannonball to strike the ground is equal to 6.516 seconds.

Based on the information provided, we can logically deduce that the height (h) in meters, of this cannonball during above the​ ground is related to time by the following function:

h(t) = - 4.9t² + 30.5t + 9.3.

Generally speaking, the height of this cannonball would be equal to zero (0) when it strikes the ground. Therefore, we would equate the height function to zero (0):

0 = - 4.9t² + 30.5t + 9.3.

4.9t² - 30.5t - 9.3 = 0

Next, we would solve the quadratic equation by using the quadratic formula:

[tex]x = \frac{-b\; \pm \;\sqrt{b^2 - 4ac}}{2a}\\\\x = \frac{-(-30.5)\; \pm \;\sqrt{(-30.5)^2 - 4(4.9)(-9.3)}}{2(4.9)}\\\\x = \frac{30.5\; \pm \;\sqrt{930.25\; + \;182.28}}{9.8}\\\\x = \frac{30.5\; \pm \;\sqrt{1112.53}}{9.8}[/tex]

Time, x = (30.5 ± 33.3546)/9.8

Time, x = (30.5 + 33.3546)/9.8

Time, x = 63.8546/9.8

Time, x = 6.516 seconds.

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Answer:150 minutes easy?

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

A cat is a domestic species of small carnivorous mammal. It is the only domesticated species in the family Felidae and is often referred to as the domestic cat to distinguish it from the wild members of the family. A cat can either be a house cat, a farm cat or a feral cat; the latter ranges freely and avoids human contact.

So, it will be considered as a yes.

The value o f c based on The Mean Value Theorem is 1

The Mean Value Theorem stated that if f(x) is a continuous on [a,b] and differentiable on (a,b) then there is a c such that:

f'(c) = [tex]\frac{f(b)-f(a)}{b-a}[/tex] ... (i)

Based on the question, we got equations:

f(x) = 1 + x + x² ... (ii)

By using derivative, we get:

f'(x) = 1 + 2x ... (iii)

From the question, we get:

f(a) = f(0)

f(b) = f(2)

Then we need to find the value of both f(0) and f(2):

f(0) = 1 + (0) + (0)²

f(0) = 1 ... (iv)

f(2) = 1 + (2) + (2)²

f(2) = 7 ... (v)

We also need to find the equation for f'(c) based on equation (iii):

f'(x) = 1 + 2x

f'(c) = 1 + 2c ... (vi)

We will input equations (iv) and (v) into equation (i) to find another equation of f'(c):

f'(c) = [tex]\frac{f(2)-f(0)}{2-0}[/tex]

f'(c) = [tex]\frac{7-1}{2-0}[/tex]

f'(c) = [tex]\frac{6}{2}[/tex]

f'(c) = 3 ... (vii)

Then we will subtitute the equation (vi) with equation (vii) to find the value of c:

f'(c) = 1 + 2c

3 = 1 + 2c

2c = 2

c = 1... (viii)

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Answer: it’s a vertical line going through the point (6,0)

Step-by-step explanation: this is because when you only have an x value the line is going to be vertical line through the x value on that axis

Answer: -10/6

Step-by-step explanation:

Using the Slope Formula which is, [tex]\frac{y_{2} -y_1}{x_2-x_1}[/tex] you can substitute the numbers. This leads to [tex]\frac{-1 -9}{-1-(-7)}[/tex] which will get you, [tex]\frac{-10}{6}[/tex].

The expression for the rectangular prism's base area is 11x² + 7x + 5.

Given;

The volume of rectangular prism = 33x³ + 43x² + 29x + 10

The height of the prism = 3x + 2

We know that, the area of the prism = length * breadth

where as, volume = length * breadth * height

So, area = volume / height

Using synthetic division, dividing volume by height, we get;

3x+2  ) 33x³ + 43x² + 29x + 10 ( 11x² + 7x + 5

            33x3 + 22x2

           ---------------------------------

                        21x² + 29x

                        21x² + 14x

          ----------------------------------

                                  15x + 10

                                   15x + 10

          ----------------------------------

                                       x

Quotient is 11x² + 7x + 5 which is equal to expression for the area of the base of the rectangular prism.

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The erosion occurs at a rate of 2/1000 m/years. Over 1,000,000 years, the erosion will be 2,000 meters.

Rate is a ratio between one quantity to another quantity. Rate is also a measure of how fast a quantity changes when another quantity changes. For instance, velocity is a rate to measure the change of distance per amount of travelled time.

Suppose we have two quantities: x and y, with rate of change in y per change in x is denoted by dy/dx, then

y = dy/dx · x

In the given problem:

y = length of erosion

t = time

dy/dt = 2 meters / 1000year = 2/1000 meters/year

Then,

y = dy/dt · t

  = 2/1000 · 1,000,000 = 2,000 meters

Hence, over  1,000,000 years, the regional erosion = 2,000 meters

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Answer:

750 miles

Step-by-step explanation:

20 gallons -------------- 300 miles

1 gallon ---------------- 300/20 = 15 miles

50 gallons -------------- 15x50 = 750 miles

Step-by-step explanation:

[tex] {x}^{2} + 5x + 6[/tex]

[tex] {x}^{2} + 6x - x + 6[/tex]

[tex]x(x + 6) - 1(x + 6)[/tex]

[tex](x - 1)(x + 6)[/tex]

Using ratios we know that 40 hamburgers will be served.

So, a number of hamburgers that will be served are:

So, the number of hamburgers will be:

Therefore, using ratios we know that 40 hamburgers will be served.

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Correct question:
A concession stand serves hot dogs and hamburgers at a ratio of 3 to 2. Based on this ratio, how many hamburgers will be served if there are a total of 60 hot dogs served?

Answer:87,600

Step-by-step explanation:

The slopes are similar in each segment of the line because the ratios, 8/2 and 4/1 are similar.

The first step to understanding slope of a line is that; it represents the rate of change in the vertical axis to that in the horizontal axis.

Consequently, it follows that the slope of the first segment can be computed by drawing a triangle with vertical side length of 4 and a horizontal side length of 1.

Hence, the slope of the first segment (from the triangle is) 4 / 1.

Also, for the second segment; a triangle with vertical length; 8 and a horizontal length, 2. Hence, the slope of the segment is; 8 / 2.

Ultimately, since the ratios, 8 / 2 and 4 / 1 are similar, it follows that the two triangles are similar and consequently, the slope is same in each segment of the line.

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Answer:

x = 4 or x = 6

Step-by-step explanation:

to solve the inequality

solve both

x - 3 = 9 - 2x OR x - 3 = - (9 - 2x)

x - 3 = 9 - 2x ( add 2x to both sides )

3x - 3 = 9 ( add 3 to both sides )

3x = 12 ( divide both sides by 3 )

x = 4

OR

x - 3 = - (9 - 2x)

x - 3 = - 9 + 2x ( subtract 2x from both sides )

- x - 3 = - 9 ( add 3 to both sides )

- x = - 6 ( multiply both sides by - 1 )

x = 6

Answer:

Step-by-step explanation:

24

Answer:

115°

Step-by-step explanation:

They are the same angle because we know the lines are parallel.

Answer:

115°

Step-by-step explanation:

alternate exterior, they're the same

Answer: love=an intense feeling of deep affection

Step-by-step explanation:

-4 is the absolute value of -3.5 and three fifths.

An expression is combination of variables, numbers and operators.

negative absolute value of negative three fifths.

−3.5-3/5

Three fifths means three by five

-3.5-3/5

(-5(3.5)-3)/5

Minus seventeen point five minus three divided by five

-17.5-3/5

Minus twenty point five divided by five

-20.5/5

Minus four point one

-4.1

-4

Hence -4 is the absolute value of -3.5 and three fifths.

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a) 49 square tiles are needed to make pattern number 7

b) 84 circular tiles are needed to make pattern number 20

c) When the pattern number is odd, the total number of tiles (square

and circular) needed to make the pattern is B) always odd

A sequence in mathematics is an enumerated collection of objects in which repetitions are permitted and order is important. It, like a set, has members (also called elements, or terms). The length of the sequence is defined as the number of elements (which could be infinite). Unlike a set, the same elements can appear multiple times in a sequence at different positions, and the order does matter. Formally, a sequence can be defined as a function from natural numbers (the sequence's positions) to the elements at each position. The concept of a sequence can be extended to include an indexed family, which is defined as a function from an arbitrary index set.

a) Squares tiles needed for 7 pattern =n²

n²=7²

n²=49

b) Circular tiles for 20th pattern=4(n+1)

=4(20+1)

=4(21)

=84

c) Total tiles(square and circle)

=n²+4(n+1)

for n=odd (let n=1,3,5)

n=1; 1+4(1+1)=9

n=2;  9+4(3+1)=25

n=5;  25+4(5+1)=49

Therefore, It is always odd

So, the answer is option B

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The smallest positive integer a such that the intermediate value theorem guarantee a zero exist between 0 and 1

given that

polynomial f(x) = 2[tex]x^{3}[/tex] - [tex]x^{2}[/tex]- 4x+4

first derivation of f(x)

f'(x) = 6[tex]x^{2}[/tex] - 2x - 4

      = 6[tex]x^{2}[/tex] - 6x +4x -4

      = 6x(x-1) + 4(x-1)

     = (6x+4)(x-1)

x = -0.6,1

second derivation of f(x)

f''(x) = 12x-2

now substitute x values in f''(x)

x=1

f"(x) = 12(1) - 2 = 12-2= 10

x= -0.61

f"(x) = 12(-0.61) -2 = -7.32-2= -9.32

a=1

the intermediate value theorem guarantee a zero exist between 0 and 1

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The simplified value of the expression (x³ + 9x²+ 26x + 24), when divided by (x + 3), is: the quotient will be x^2 + 6x + 8 and the remainder will be 0. (x + 3) will be a factor of (x³ + 9x²+ 26x + 24).

Let us solve the given algebraic expression by the long division method:

We are given the expression:

(x³ + 9x²+ 26x + 24) and (x + 3)

We need to perform the division of the given algebraic expression:

x + 3  ) x^3 + 9x^2 + 26x + 24 ( x^2 + 6x + 8

           x^3 + 3x^2

         -         -                            

                    6x^2 + 26x + 24

                    6x^2 + 18x

                     -        -                  

                                 8x + 24

                                 8x + 24

                               -       -          

                                     0

So,

quotient = x^2 + 6x + 8

remainder =  0

As the remainder is 0.

So, (x + 3) will be a factor of (x³ + 9x²+ 26x + 24)

Thus, the simplified value of the expression (x³ + 9x²+ 26x + 24), when divided by (x + 3), is: the quotient will be x^2 + 6x + 8 and the remainder will be 0. (x + 3) will be a factor of (x³ + 9x²+ 26x + 24).

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Answer:

Step-by-step explanation:

Down payment = $150

Monthly Payment = $48.5

Buyer price = $1250

Number of months = 30  (2 1/2 years)

The total amount of monthly payments = Monthly payments × Number of months

                                                                  = 48.5 × 30

                                                                  = 1447.50

The total cost = Total amount of monthly payments + Down payments

                       = 1447.50 + 150

                       = 1597.50

Finance charge =  Total cost  - Buyer price

                          = 1597.50 - 1250

                          = 347.50

Using the volume formula, the height of the cylinder is [tex]h = \frac{v}{\pi r^{2} }[/tex]

A cylinder is a three-dimensional shape consisting of two parallel circular bases, joined by a curved surface.

In other words, a cylinder is a geometric solid with two circular bases joined by a curved surface.

The volume of a cylinder can be represented as follows:

The formula to calculate volume of a cylinder is given by the product of base area and its height

where

Therefore, the question asked us to solve for height, h.

Hence, let's make height the subject of the formula.

v = πr²h

divide both sides by πr²

[tex]\frac{v}{\pi r^{2} }=\frac{\pi r^{2} h}{\pi r^{2} }[/tex]

Therefore,

[tex]h = \frac{v}{\pi r^{2} }[/tex]

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Answer:

5

Step-by-step explanation:

Since we have given that

Answer:

Equation is [tex]a_n = 2.50n + 2.50[/tex]

This is discrete

=======================================================

Explanation:

There are n = 12 months in a year.

[tex]a_1[/tex] = first term = x

d = common difference = 2.50, which is the amount the allowance is increasing month to month.

[tex]S_n = \text{Sum of the first n terms of an arithmetic sequence}\\\\S_n = (n/2)*(2a_1 + d(n-1))\\\\S_{12} = (12/2)*(2\text{x} + 2.50(12-1))\\\\S_{12} = 6(2\text{x} + 27.5)\\\\S_{12} = 12\text{x} + 165\\\\[/tex]

The sum of the first n = 12 terms of the arithmetic sequence is 12x+165, where x is the first term (i.e. the allowance on January 1st).

We're told that this total is $225. We'll set the value of [tex]S_{12}[/tex] equal to 225 and solve for x.

[tex]S_{12} = 225\\\\12\text{x} + 165 = 225\\\\12\text{x} = 225 - 165\\\\12\text{x} = 60\\\\\text{x} = 60/12\\\\\text{x} = 5[/tex]

Therefore, you got $5 on January 1st. Then 5+2.50 = 7.50 dollars on February 1st. Then 7.50+2.50 = 10 dollars on March 1st. And so on, until reaching December. All of those dollar amounts then should add to $225 to help confirm the answer.

This equation is discrete because the terms are finite from n = 1 to n = 12. We can't have a midpoint of say between months 3 and 4. It doesn't make sense to have month 3.5 for instance. There's only a set amount of payments.

--------

Now that we know [tex]a_1 = 5[/tex] is the first term, we can then determine the value of any allowance value for any given value of n.

[tex]a_n = \text{nth term of arithmetic sequence}\\\\a_n = a_1 + d(n-1)\\\\a_n = 5 + 2.50(n-1)\\\\a_n = 5 + 2.50n-2.50\\\\a_n = 2.50n + 2.50\\\\[/tex]

Let's see what the allowance would be for month n = 2

[tex]a_n = 2.50n + 2.50\\\\a_{2} = 2.50(2) + 2.50\\\\a_{2} = 5 + 2.50\\\\a_{2} = 7.50\\\\[/tex]

The allowance for month n = 2  (aka February) is $7.50, which was mentioned earlier in the previous section. I'll let you confirm the other values of n.

Keep in mind that n is a positive whole number in the set {1,2,3,...,10,11,12}. It might help to make a table of values.

The equation in slope intercept form of the line that passes through the y-intercept (0, 1) and has a slope of 4 is y = 4x + 1

The line is passing through the y intercept = (0, 1)

Here at x = 0, the values of y = 1

Then the y intercept of the line is 1

The slope of the line = 4

The slope of the line is the change in y coordinate with respect to the change in x coordinates of the function

The slope intercept form is

y = mx + b

Where m is the slope of the line

b is the y intercept

x is the x coordinate

y is the y coordinate

Then the equation in the slope intercept form

y =4x + 1

Hence, the equation in slope intercept form of the line that passes through the y-intercept (0, 1) and has a slope of 4 is y = 4x + 1

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Answer:

-2x + 15.

Step-by-step explanation  Perpendicular lines have slopes that are opposite reciprocals of each other. Therefore, the slope of the line is -2. When we solve for the y-intercept, the result is 15.