Mr. Mateo ordered several copies of a book that weighs Three-fifths of a pound each along with some other school supplies for his classroom. If the total weight of the box that contains the supplies was 10 pounds, what is the maximum number of copies of the book that Mr. Mateo could have ordered?

Answer:

[tex]-2<x<-1, 1<x<2[/tex]

Step-by-step explanation:

[tex]|x|>1 \implies x<-1[/tex] or [tex]x>1[/tex]

[tex]|x|<2 \implies -2<x<2[/tex]

Taking the union of the intervals, [tex]-2<x<-1, 1<x<2[/tex]

Answer: 1/2

Step-by-step explanation:

The rate of change is the same as the slope.

Taking the points (2, 4) and (6,6), the slope is [tex]\frac{6-4}{6-2}=\frac{1}{2}[/tex]

Number of outfit outcomes are possible with the choices of 3 pairs of pants , 4 shirts and 3 pairs of shoes are equal to 36 outfits.

As given in the question,

Number of choices given

Possibilities with the choices

Number of pairs of pants 'n' = 3 pairs

Number of shirts 'p' = 4 shirts

Number of pairs of shoes 'r' = 3 pairs of shoes

Using Fundamental counting of Principle

Total number of outfit outcomes with the given choices

= n × p × r

= 3 × 4 × 3

= 36 outfits.

Therefore, number of outfit outcomes are possible with the choices of 3 pairs of pants , 4 shirts and 3 pairs of shoes are equal to 36 outfits.

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Answer:

[tex]{ \tt{f(x) = - 3x + 8}} \\ \\ { \tt{f( - 4) = - 3( - 4) + 8}} \\ \\ { \tt{f( - 4) = 12 + 8}} \\ \\ { \tt{f( - 4) = 20}}[/tex]

For the function f(x) = -3x + 8, f(-4) is 20.

Given,  f(x) = -3x + 8 and f(-4)

Put the value -4, wherever x is present,

f(x) = -3x + 8

f(-4) = (-3 × -4) + 8

f(-4) = 12 + 8

f(-4) = 20

∴ The value of f(-4) is 20 for function f(x) = -3x + 8

This function connects an input to an output. "f(x) = ..." is the classic way to write a function. We will see different ways of thinking about functions, but there are always three main parts: input, relation, and output.

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EXPLANATION:

Given;

We are given a parallel pair of lines m and n, and a transversal that cuts both lines.

Required;

We are required to find the value of x.

Step-by-step solution;

When a pair of parallel lines are cut by a transversal, the angle formed by the point of intersection of one line and the transversal is equal to that formed by the other line and the transversal when they both lie on the same side of the transversal.

This means on the diagram given;

This means angle 167 on line n is equal to angle 167 on line m. These are called corresponding angles.

The same applies to angle x on the line m and the other angle on line n. They both are also corresponding angles.

Next, take note that angles that lie on either side of a vertex where two lines intersect are called vertically opposite angles (or just opposite angles).

Therefore, angle x = 167 and angle 167 = x.

ANSWER:

The required ratio of actual length of tunnel to that of construction is 64:1.

Fraction is written as a ratio of two integers. Given the following parameters:

length of construction plan = 21/2 feet long

length of actual tunnel = 53 1/3 yards long

Determine the ratio

Ratio = actual/construction

Ratio = 160ft/2.5ft

Ratio = 64/1

Hence the ratio of the actual to the construction plan is 64:1

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The proportion that can be used to show that AC and CE has equal slope is: 2 - 0/3 - 0 = 4 - 2/6 - 3.

Using any two points on a given line, the formula to find the slope of the line is given as:

Slope (m) = change in y / change in x = rise/run or the line.

Given that triangles ABC and CDE are two similar right triangles, find the slope of AC and CE as explained below:

Point A is at (0, 0)

Point C is at (3, 2)

Point E is at (6, 4)

Slope of AC = change in y / change in x = 2 - 0/3 - 0 = 2/3

Slope of CE = 4 - 2/6 - 3 = 2/3

Thus, the proportion showing that the slope of AC and the slope of CE are the same would be expressed as:

2 - 0/3 - 0 = 4 - 2/6 - 3.

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The new dimensions of the box are 5 feet, 4 feet, and 6 feet.

Given:

A rectangular box has dimensions of 4 feet by 3 feet by 5 feet.

So, Length = 4 feet ,width = 3 feet and height = 5 feet.

Volume of rectangular box = length × width × height

                                             = 4 × 3 × 5 = 60 feet³

Now, increasing each dimension by the same amount yields a new box.

Let the increase in dimension be x feet.

The dimensions of the new box are,

Length = (4 + x) feet ,width = (3 + x) feet and height = (5 + x) feet.

Volume of new box = length × width × height

                                 = (4 + x) (3 + x) (5 + x)

It is given that the volume of the new box is twice the volume of the old box, 2 × 60 feet³ = 120 feet³

So, equate the volume to find the value of x.

(4 + x) (3 + x) (5 + x) = 120    

(12 + 7x + x²) (5 + x) = 120

60 + 12x + 35x + 7x² + 5x² + x³ = 120

60 + 47x + 12x² + x³ = 120

x³ + 12x² + 47x - 60 = 0  

x = 1

Hence each dimension was increased by 1 foot.

The new dimensions of the box are 5 feet, 4 feet, and 6 feet.

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From the calculations using the data provided, the acceleration of the ball is 10 m/s^2

We know that the acceleration is the rate at which there is an increase or a decrease in the velocity of a body. In this case, we are told that A ball is released from rest and falls 125 meters in 5 seconds.

We have the following;

Distance of the object = 125 meters

Time taken =  5 seconds

Given that;

s = ut + 1/2at^2

u = 0 m/s because it was released from rest

s = 1/2at^2

a = 2s/t^2

a = 2(125)/(5)^2

a = 250/25

a = 10 m/s^2

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Answer:

about 22 square units

Step-by-step explanation:

Count the number of squares which is completely inside the border. Then count the number of squares which is half or more than half inside the border as 1 square.

Answer:

the answer to the question is 7(35.8-m)53.4)

Answer:

the answer to the question is 7(35.8-m)53.4)

Step-by-step explanation:

Expected Return is usually based on anticipated income and anticipated capital appreciation of the companies performance..

Portfolio is simply defined as a list of securities showing how much is (or will be) invested in each of them.

The expected return on a portfolio is calculated as the weighted average of the expected returns on the securities that the portfolio involves. The weight of each security is the a Portion or a fraction of wealth invested in that security. Expected return on a portfolio of N securities is: rp= sum (Xr).

Expected Return is usually based on anticipated income and anticipated capital appreciation.

The expected return on a portfolio is defined as the expected amount of returns that a portfolio may generate. And it is established on the weighting of assets in a portfolio and their anticipated capital appreciation and must be equal to or greater than the expected return of the worst-performing security in the portfolio.

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The equation of the line that passes through the point (-9, 2) and is perpendicular to the line 10x - 5y = 6 is y = - 1 / 2 x - 5  /2

The equation of a line can be represented in slope intercept form.

Therefore,

y = mx + b

where

Therefore, the equation of the line is perpendicular to 10x - 5y = 6.

5y = 10x - 6

y = 2x - 6 / 5

Perpendicular lines follows the rule below:

m₁m₂ = -1

Therefore,

2m₂ = -1

m₂ = -1 / 2

The slope of the line is - 1 / 2. Now, let's find the equation of the line as it passes through (-9, 2)

y = - 1 / 2 x + b

2 = - 1 / 2 (-9) + b

2 = 9 / 2 + b

b = 2 - 9 / 2

b = 4 - 9 / 2

b = - 5 / 2

Therefore, the equation of the line is as follows:

y = - 1 / 2 x - 5  /2

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1) The roots of the equation are x = -7/3 and 5/2

And the correct options are option (A) and option (B)

2) Amber needs to draw the straight line y = 4x. And the point of intersection of both the graphs (y = 3x² and y = 4x)would give the solutions to given equation i.e., x = 1.33 and x = 0

Consider the first question,

We need to find the roots of given equation (3x + 7)(2x - 5) = 0

From above equation we can say that either 3x + 7 = 0 or 2x - 5 = 0

If 3x + 7 = 0

3x = -7

x = -7/3

And is 2x - 5 =0

2x = 5

x = 5/2

So, the roots of the equation are x = -7/3 and 5/2

Hence, the correct options are option (A) -7/3 and option (B) 5/2

Consider 2nd question,

Amber is trying to solve 3x² - 4x = 0 using graphical method.

She drew the graph of y = 3x² which is parabolic in nature.

we need to draw the straight line to solve the given equation.

If we draw the line y = 4x and then subtract it from y = 3x², then we get the original equation 3x² - 4x = 0

So, we need to draw the straight line y = 4x

Therefore, Amber needs to draw the line y = 4x the point of intersection of both the graphs would be the solutions to given equation.

i.e., x = 1.33 and x = 0

The graph is as shown below.

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The ratio of pints in case of red to green is 4:1 and that of sidelengths is 2:1 and in case of blue to green the ratio of pint is 6:1 and that of sidelengths is 3:1.

The Total surface area of a cuboid (TSA) is equal to the sum of the areas of it’s 6 rectangular faces, which is given by:

Total Surface Area of a Cuboid (TSA) = 2 (lw + wh + lh) square units

The above formula gives the total surface area of a cuboid having all six faces.

Since all the pedestial are in the form of cuboid and we have to paint its all  6 faces and we need 0.5 pint to paint the red pedestal

So, given the side lengths of green pedestal are half that of red one.

So,

TSA of red pedestal= 2 (lw + wh + lh)

So,

TSA of green pedestal

[tex]2 (\frac{l}{2} \frac{w}{2} +\frac{w}{2}\frac{h}{2}+\frac{l}{2}\frac{h}{2})\\2 (\frac{lw}{4} +\frac{wh}{4}+\frac{lh}{4})\\\frac{2(lw + wh + lh)}{4}[/tex]

TSA of green pedestal = TSA of red pedestal/4

So, pint needed for green = 0.25 * pint for red = 0.125 pint

Similarly, for Blue pedestal it is given that the sidelengths are thrice that of green pedestal .

TSA of blue pedestal = 1.5(TSA of red pedestal)

So, pint needed for blue pedestal = 1.5 * pint for red = 0.75

Ratio of pints need red to green = 0.5:0.125 = 4 :1

Ratio of sidelength of red to green =  2 :1

Ratio of pints need blue to green = 0.75:0.125 = 6:1

Ratio of sidelength of blue to green =  3 :1

The ratio of pint amount is twice the ratio of sidelengths.

Therefore, ratio of pints in case of red to green is 4:1 and that of sidelengths is 2:1 and in case of blue to green the ratio of pint is 6:1 and that of sidelengths is 3:1.

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Answer: $275.50

Step-by-step explanation:

5% = 0.05

So we take 290.00 time 0.05 and get `14.50. Then we 290.00 - 14.50= 275.50.

So the answer is $275.50

Answer:

Step-by-step explanation:

Answer:

Step-by-step-learn is 4

Answer:

Store B

Step-by-step explanation:

Since the lowest common multiple of 2 and 3 is 6, so let's find the cost of 6 bags of chips from each store.

Store A

cost for 6 bags of chips

= 3(2.5)

= $7.50

Store B

cost for 6 bags of chips

= 2(3.25)

= $6.50

Since store B offers a cheaper price for 6 bags of chips, it offers a better deal.

Alternatively, you could work out the cost of each bag of chips for both stores.

Answer:

10.48 miles ran in one hour .

The rational numbers - 1 3/4 (-2 1/7) are multiplied to give 105/28

A fraction can be defined as the part of a whole element.

There are several types of fractions, which includes;

Rational numbers are defined as types of real numbers that are in form of fractions.

For instance: a/b where a is not equal to zero.

Given the rational numbers;

- 1 3/4 (-2 1/7)

To determine the product, take the following steps

Turn into improper fractions

-7/4 × -15/ 7

Now, multiply the numerators and denominators

105/28

Hence, the value is 105/28

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Answer:

It is a quadratic funcion with vertex in (4,0)

Step-by-step explanation:

Answer:

712.4

Step-by-step explanation:

X + (X × P%) = Y

X(1 + P%) = Y

Solving our equation for Y

Y = X(1 + P%)

Y = 260(1 + 174%)

Converting percent to decimal:

p = 174%/100 = 1.74

Y = 260(1 + 1.74)

Y = 260(2.74)

Y = 712.4

The 174% added was 452.4

260 × 174% = 452.4

the answer is 712.4 I believe

The quadratic function that best fit the given data is y = 2x² - 5/2x - 8.

In algebra, quadratic function is defined as a function in the second degree or power. It can be expressed as y = f(x) = ax² + b x + c, where a, b, and c are constants.

Using only three points from the given data, we can determine the quadratic equation that fits the data.

Let P1 = (-2 , 5)

P2 = (0 , -8)

P3 = (2 , -5)

Substitute the points in the expression f(x) = y = ax² + b x + c.

5 = a(-2)² + b(-2) + c     ⇒     5 = 4a - 2b + c     (equation 1)

-8 = a(0)² + b(0) + c     ⇒     -8 = c     (equation 2)

-5 = a(2)² + b(2) + c     ⇒     -5 = 4a + 2b + c     (equation 3)

Substitute equation 2 in equation 1 and 3.

5 = 4a - 2b + -8     ⇒     13 = 4a - 2b     (equation 4)

-5 = 4a + 2b + -8     ⇒     3 = 4a + 2b     (equation 5)

13 = 4a - 2b     (equation 4)

-(3 = 4a + 2b)    (equation 5)

10 =       -4b

b = -5/2

Substitute the value of b in equation 4.

13 = 4a - 2(-5/2)

4a = 13 - 5

a = 2

If a = 2, b = -5/2 and c = -8, then the quadratic equation should be y = 2x² - 5/2x - 8.

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The first five terms of the sequence are 1, 1, 2, 3, 5.

An arithmetic progression is sequence of numbers in which the difference between the consecutive terms is constant.  

[tex]a_{1} = 1 = a_{2}[/tex]              ( first two terms given)

[tex]a_{n} = a_{n-1} +a_{n-2}[/tex]     ( given sequence formula)

[tex]a_{3} = a_{2}+a_{1}[/tex]            

= 1+1

= 2                           ( third term)

[tex]a_{4} = a_{3}+a_{2}[/tex]

= 2 + 1

= 3                           (fourth term)

[tex]a_{5} =a_{4} +a_{3}[/tex]

= 3 + 2

= 5                            (fifth term)

Therefore, we conclude that  the first 5 terms for the sequence

[tex]a_{n} = a_{n-1} +a_{n-2}[/tex] are 1, 1, 2, 3 and 5.

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The surface area of this cylinder is 6.28y? + 2rh square units.

What does a cylinder's smooth surface look like?

A cylinder has a curving surface that unfolds into a rectangle and two flat surfaces that are both circular.

Given:

The surface area of a cylinder = 2ny? + 2rh.

n = 3.14

therefore putting the value of n

we get,

=2  .  3.14  .  y? + 2rh

=6.28y? + 2rh

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The justification for each step in the solution of the equation (5x−4)/2=2x−1 is:

Step 1: (5x-4)/2 = 2x-1   (As Given)

Step 2: ((5x-4)/2) × 2 = 2 × (2x-1)

The Multiplication Property of Equality asserts that when both sides of an equation are multiplied by the same number, the two sides remain equal.

Step 3: (5x-4) = 4x-2

The Distributive Property of Equality asserts that equality holds after distributing by multiplication.

Step 4: 5x - 4 + 4 = 4x - 2 + 4

The Addition Property of Equality states adding the same number on both sides of an equation yields equivalent results.

⇒ 5x = 4x + 2

Step 5: 5x - 4x = 4x + 2 - 4x  

The Subtraction Property of Equality states that you can get an equivalent equation by subtracting the same integer from both sides of an equation.

⇒ x = 2

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According to the solving each step in the solution of the equation (5x−4)/2=2x−1 is:

Step 1: (5x-4)/2 = 2x-1  

Step 2: ((5x-4)/2) × 2 = 2 × (2x-1)

Step 3: (5x-4) = 4x-2

Step 4: 5x - 4 + 4 = 4x - 2 + 4

Step 5: 5x - 4x = 4x + 2 - 4x  

The four properties of equality—addition, subtraction, multiplication, and division—can be used to solve an equation. To get the value of an equation's unknown variable, we can easily add, subtract, multiply, or divide the two sides of the equation.

(5x-4)/2 = 2x-1   (As Given)

((5x-4)/2) × 2 = 2 × (2x-1)

According to the Multiplication Property of Equality, an equation's two sides stay equal even after being multiplied by the same number.

Step 3: (5x-4) = 4x-2

According to the distributive property of equality, multiplicative distribution still maintains equality.

Step 4: 5x - 4 + 4 = 4x - 2 + 4

According to the Addition Property of Equality, an equation produces equivalent outcomes when the same integer is added to both sides.

⇒ 5x = 4x + 2

Step 5: 5x - 4x = 4x + 2 - 4x  

According to the "Subtraction Property of Equality," subtracting the same number from both sides of an equation will result in an identical equation..

⇒ x = 2

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The system of linear inequalities as shown in the given graph is:

y < 1/3x + 2

y ≤ -2x + 2

Depending on the inequality sign, we can express the linear inequality in slope-intercept form as, y = mx + b. The sign "=" would be placed by the appropriate inequality sign, the m represents the slope and b represents the y-intercept of the line.

One of the lines is dashed, and the shaded part is beneath it, therefore, the inequality sign for the dashed line would be "<".

For the solid line, the inequality sign to use would be "≤" because the shaded part is also beneath it.

Both lines intercept the y-axis at y = 2, therefore, the y-intercept (b) for both lines would be: b = 2.

Slope of the dashed line (m) = rise/run = 1/3

Slope of the solid line (m) = rise/run = -2/1 = -2

The inequality for the dashed line would be written by substituting m = 1/3 and b = 2 into y < mx + b:

y < 1/3x + 2

The inequality for the solid line would be written by substituting m = -2 and b = 2 into y ≤ mx + b:

y ≤ -2x + 2

The system would be:

y < 1/3x + 2

y ≤ -2x + 2

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Answer: If I understood correctly, the answer would be A, adults who buy any clothes. I'm not too sure though that would make sense.