Solve for q.
q=
13
Blank 1:
24
q

We can expand the given expression:

(x + 4)²*(x - 2)

To get the equivalent one:

x³ + 6x² - 32

Here we want to expand the given expression, which is:

(x + 4)²*(x - 2)

First remember the rule:

(a + b)² = a² + 2ab + b²

So we can rewrite the first factor as:

(x + 4)² = x² + 2*4*x + 4²

= x² + 8x + 16

Replacing that in our expression we get:

(x² + 8x + 16)*(x - 2)

Now we can expand that to get:

x²*x + x²*(-2) + (8x)*x + 8x*(-2) + 16*x + 16*(-2)

= x³ - 2x² + 8x² - 16x + 16x - 32

= x³ + 6x² - 32

That is the expression expanded.

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Molly would need 43 feet of fencing to fence the triangular area.

What is Pythagorean theorem?

Pythagorean theorem states that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle).

According to the given question:

We can see that the area is in the form of a right-angled triangle. Since only two sides of the triangle is given, we could utilize Pythagoras theorem to our advantage to find out the third side.

In Δ ABC

AB² (base) + AC² (perpendicular) = BC² (hypotenuse)

Substituting the values of AB as 10 feet and BC as 18 feet

AC²= BC²- AB ²

∴AC²= 224  

∴AC= 14.96 cm

Amount of fence required by molly would equal perimeter of the area.

⇒The perimeter of the area would equal AB+BC+AC

⇒Summing up the values of AB, AC and BC

Perimeter= 10+14.96+18= 42.96 feet which is about 43 feet

Hence, Molly would require 43 feet of fencing.

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An apple pie requires 7 apples and an apple tart requires 4 apples

To set up this problem, we can let p represent the number of apples needed for one pie and t represents the number of apples needed for one tart.

We can then set up the following system of equations to represent the information given in the problem:

2p + 6t = 38

2p + 8t = 46

To solve this system, we can subtract the first equation from the second to eliminate the p terms:

2p + 8t - 2p - 6t = 46 - 38

2t = 8

t = 4

Substituting this value back into the first equation, we get:

2p + 6(4) = 38

2p = 14

p = 7

Thus, an apple pie requires 7 apples and an apple tart requires 4 apples.

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Answer:

y = 3x - 2

Step-by-step explanation:

Slope intercept form is y= mx+b

m being the slope

and b being the y intercept

we have the slope, but we need to find the y intercept. first, plot (1,1) you can use a sheet of graph paper, demos or just a little grid on scrap paper. then you want to create another point on your graph using the slope, in this case 3 would be 3/1 so you go from your plotted point 3 units down, then 1 unit to the left. keep on plotting points until you identify your y intercept, where a plotted point goes through y axis. this is -2, which will be B in the equation.

Answer:

It would be most appropriate to use the mode for categorical data, such as favorite ice cream flavor. This is because you can't use mean or median for flavors such as chocolate or vanilla, so mode would make the most sense there.

Answer:

Power functions are functions where y = x^n where "n" is any real constant number.

Reaction rates decline with time because the reactants are consumed over time, reducing the number of reactant particles available for reaction.

The components that are involved in a chemical reaction are known as reactants. They are the beginning ingredients that are changed into new compounds, known as products, through a chemical process. The left side of a chemical equation is often used to represent reactants, whereas the right side is used to indicate products. The quantity and kind of reactants and products affect the kind of chemical reaction that takes place. Pure substances, such as elements or compounds, or combinations of substances, can function as reactants with time. In a chemical reaction, reactants are changed into products by chemical bonds being broken and formed, releasing or absorbing energy in the process.

How to solve?

As the number of reactant particles decreases, the rate of reaction also decreases. This phenomenon can be observed in many chemical reactions, including reactions that involve the decay of radioactive elements.To correctly process data on the decline of reaction rates with time, it is important to choose the appropriate data points for linear regression. This typically involves selecting data points at regular intervals, such as every minute or every hour, to accurately represent the decline in reaction rates over time. By choosing the right data points and performing linear regression, it is possible to accurately model the decline in reaction rates and make predictions about future reactions.

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Greta's current age is m + n years.

An algebraic expression in mathematics is an expression that is made up of variables and constants, along with algebraic operations (addition, subtraction, etc.).

In other words, algebraic expressions are combinations of variables, numbers, and at least one arithmetic operation

Therefore, let's convert the word's expression to an algebraic expression.

Greta was m years old n years ago. Her age now is as follows:

n years ago Greta was m years old. This simply means n years ago Greta was m years old. Her current age will be the sum of her current age and the number of years ago.

Therefore,

(m + n) years

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Answer:

The first one is the answer

The total of his sales for that week is $49,500.

Given :

Nate Belloir earns a weekly commission of 2. 5% on sales of $50,000 or less and 3. 0% on sales in excess of $50,000. One week Nate's commission was $2,135.

Let x be the total sales.

2135 = 2.5 % * 50000 + 3 % (x - 50000 )

= 2.5 * 50000 / 100 + 3/100 ( x - 50000 )

1235 = 2.5 * 500 + 0.03x - 0.03 * 50000

1235  = 1250 + 0.03x - 1500

0.03x = 1235 - 1250 + 1500

0.03x = -15 + 1500

0.03x = 1485

multiply by 100 on both sides

0.03x * 100 = 1485 * 100

3x = 148500

x = $49500

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Answer: 50.5

Step-by-step explanation: To calculate the median, you add up all the #'s to get 801. Then you divide 801 by how many #'s there are (in this case 16) Then, you would get an answer close to 50.5, but since this is a test score, it would be around 51%. I hoped this helped you!

When a freeway is 600 miles long, its length on a map will be 6 inches, and 50 miles will be represented by 0.5 inches.

A proportion is an equation that sets two ratios at the same value. For instance, you could express the ratio as follows: 1: 3 if there is 1 boy and 3 girls (for every one boy there are 3 girls) There are 1 in 4 boys and 3 in 4 girls. 0.25 are male (by dividing 1 by 4). The relationship between two quantities is constant for all values when they are proportional, which indicates that as one quantity rises, the other rises as well. An illustration would be the ratio of a circle's circumference to its diameter, which is equal to pi.

Here,

Length of freeway=600 miles

if 0.5 inch make 50 miles in map,

600:x=50:0.5

=0.5*600/50

=6 inch

The length of the freeway on the map will be 6 inch when it is 600 miles long and 0.5 inch make 50 miles in map.

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Answer:

12 meters

Step-by-step explanation:

The length of the volleyball net is "L"

   6  + 1/2 L   = L    <======this is given , solve for L

    6 = 1/2 L

     L = 12 Meters

The triangles ABC and CDA are congruent by SAS criteria.

Two triangles are said to be congruent when all of their corresponding sides and angles are equal. For this relation between two triangles, there are many criteria such as SSS, SAS, ASA and RHS.

Given that,

In quadrilateral ABCD, AD = BC and AD ║BC.

Now, the given relation ΔABC ≅ ΔCDA can be proved as follows,

In ΔABC and ΔCDA, it is found as,

AC = AC             (Common sides)

AD = BC              (Given data)

And, ∠ACB = ∠DAC (Interior angles between parallel lines AD and BC)

Thus, ΔABC ≅ ΔCDA by SAS congruence criteria.

Hence, the given relation ΔABC ≅ ΔCDA is proved by SAS criteria.

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13>10 is the answer on the number line.

Explanation:

x.6 + 4x -1 > 10

6.6 = 4.6 - 1

36 = 24 - 1

36 - 23 = 13>10.

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13>10 is the answer on the number line.

A system of linear equations has a solution, which is the quantity that makes all of the equations true. This is the intersection of the two graphs for two variables and two equations. The two variables in the two equations will have a solution at these coordinates.

When x=6, x will remain 6 regardless of what y is. Therefore, simply draw a vertical straight line through (6, 0), parallel to the y axis, and extend it on both sides. The finished graph is there.

x.6 + 4x -1 > 10

6.6 = 4.6 - 1

36 = 24 - 1

36 - 23 = 13>10.

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The Scooter Company's total profit function is represented by -2x²+250x-2000.

Total profit of a company is the difference between total revenue and total cost.

The profit or gain is equal to the selling price minus the cost price. Loss is equal to the cost price minus the selling price.

Company earns a total revenue that can be determined by the function R(x) = 400x - 2x²

Each scooter cost $150 to produce, and the company has a fixed cost of $2,000.

Variable cost = Cost of each scooter × Number of scooter sold

Total cost = fixed cost + variable cost

= 2000 + (150×x)

Cost, C(x) = 2000 + 150x

Revenue, R(x) = 400x - 2x²

Total profit = Revenue - Cost

= 400x-2x²-(2000 + 150x)

= 400x-2x²-2000-150x

= -2x²+250x-2000

Therefore, the Scooter Company's total profit function is represented by -2x²+250x-2000.

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By solving a linear equation, it can be calculated that

Time for which new machine prints = 64 minutes

What is linear equation?

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A one degree equation is known as linear equation.

For the new machine

The line passes through (0, 0) and (6, 75)

Slope = [tex]\frac{75 - 0}{6-0}[/tex] = 12.5

Equation of line for new machine

y - 0 = 12.5(x - 0)

y = 12.5x

Equation of line for old machine

y = 9x

Now,

During the 14 minutes, the number of pages printed = 12.50 [tex]\times[/tex] 14 = 175

Number of pages printed earlier = 1250 - 175 = 1050

By the problem,

12x + 9x = 1050

21x = 1050

x = [tex]\frac{1050}{21}[/tex]

x = 50

Time for which new machine prints = 50 + 14 = 64 minutes

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The simplification of the ratio 1320 feet : 1 mile will be 1:4

What is Ratio?

A ratio in mathematics illustrates how many times one number contains another. The term ratio is a straight borrowing from the Latin word ratio. In Latin, ratio could imply everything from "reason" to "calculation" to "proportion," and it was this last meaning that was used to create the mathematical and English ratios.

Given taht we need to simplify the ratio 1320 feet : 1 mile

For simplifying ratios we need to convert the terms in same units

and we know that 1 mile = 5280 feet

So,

1320 feet : 1 mile can be written as 1320 feet : 5280 feet

The simplification wil be 1:4

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Answer:

since , 9^x / 9^3 = 9^5

and since there is a law for exponents that says if the bases of the exponent are equal and divided by each other we subtract the exponents

, so 9^x-3 = 9^5

then x-3 =5 , therefore the final answer will be X= 8 .

Therefore the value of x from the given equation comes out to be 13.5

A statement proving the equality of two mathematical expressions is known as an equation. The equal sign (=) is used to represent an equation between two mathematical expressions. Anything that contains the equal sign is an equation, to put it simply. Examples of equations include x=7, 2x+5=7, etc.

Here,

The equation given is 3(x+2)=7x-48

thus we find the value of x from the given equation

=> 3(x+2)=7x-48

=> 3x+6=7x-48

=> 7x-48-3x-6=0

=>  4x-54=0

=> 4x=54

=> x=54/4

=> x=13.5

Therefore the value of x from the given equation comes out to be 13.5

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Answer:

.05 yd

Step-by-step explanation:

5/91.44=.05468066

The given statistic is said to be an "unbiased estimator". In this statistic, the mean is equal to the true value of the estimated parameter.

In a statistic, if the mean is equal to the estimated parameter, then that statistic is said to be an unbiased estimator. It is used to estimate a population parameter.

Consider a statistic.

"A statistic describes a portion of the target population".

"A parameter describes the whole population".

In a statistic, the mean of the sampling distribution is equal to the true value of the estimated parameter.

I.e., μ = E(x)

So, that statistic is said to be an unbiased estimator.

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The system of equations to model is s=220 and a=241 when 461 tickets for a school performance were sold. Adult tickets are $4 and cost $3 for students.

Given that,

461 tickets for a school performance were sold. Adult tickets are $4 and cost $3 for students. Sales of tickets totaled $1624.

We have to find the system of equations to model.

We know that,

We get,

a + s = 461

s = 461 -a

The student tickets sold = s × 3   = 3 × (461-a)

The adult tix sold =  4 a              

Summed they total 1624

We get system of equations as

s = 461-a

3 (461-a) + 4a = 1624

1383 -3a +4a = 1624

a = 241      

Then  

s = 461 -a = 220

Therefore, The system of equations to model is s=220 and a=241 when 461 tickets for a school performance were sold. Adult tickets are $4 and cost $3 for students.

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Using trigonometric ratios, we have been able to deduce that;

BE = 10 cm; sin B = 3/5 and cos B = 4/5

The basic trigonometric ratios for an angle θ are expressed as;

sin θ = opposite/hypotenuse

cos θ = adjacent/hypotenuse

tan θ = opposite/adjacent

Now, looking at the given triangle NEB, we are given that;

NE = 7.5 cm

tan B = 3/4

angle E = 90°

If tan B = 3/4, then it means that;

3/4 = NE/BE

since NE = 7.5, then we can say that;

3/4 = 7.5/BE

BE = (7.5 * 4)/3

BE = 10 cm

By Pythagoras theorem, we can say that BN = 12.5 cm.

Thus;

sin B = opposite/hypotenuse = 7.5/12.5 = 3/5

cos B = adjacent /hypotenuse = 10/12.5 = 4/5

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Using trigonometric ratio, the side BN is 12.5 units, sin and cos angle of B are 36.9 degrees respectively

The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec). In geometry, trigonometry is a branch of mathematics that deals with the sides and angles of a right-angled triangle. Therefore, trig ratios are evaluated with respect to sides and angles.

In this problem;

A)

Tan B = 3/4

BN = ?

Tan B = NE / BE

3/4 = NE / BE

BE = NE / 3/4

BE = 7.5 / 0.75

BE = 10

The side BN can found using Pythagoras theorem

BN² = BE² + NE²

BN² = 10² + 7.5²

BN = 12.5

B)

Sin B = NE / NB

sin B = 7.5 / 12.5

sin B = 0.6

B = sin⁻¹(0.6)

B = 36.9°

C)

Cos B = BE / NB

cos B = 10 / 12.5

B = cos⁻¹(10/12.5)

B = 36.9°

The length of Bn is 12.5cm, and sin and cos angle of B is 36.9 degrees respectivelt

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The category of the polynomial  2x³ - 5 + 9x² is a trinomial

From the question, we have the following expression that can be used in our computation:

2x^3-5+9x^2

Rewrite this expression properly

So, we have the following representation

2x³ - 5 + 9x²

This expression can be further rewritten as

2x³ + 9x² - 5

The degree of a polynomial is the highest power of the polynomial

In this case, the degree of the above polynomial is 3

As a general rule, a  trinomial is any polynomial that has a degree of 3

Hence, the expression is a trinomial

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