The functions u and w are defined as followu(x)=x-1W(x) = -p²-2Find the value of w(u(-1)).

Answer:

A

A would be the best answer since it asking how much did it change.

Answer:

9/20 or 9:20 depending on how they want it written

Step-by-step explanation:

add pink and green cards [9] in relation to total cards [20]

Answer:

Hx=4w

Step-by-step explanation:

Answer:s

12 weeks

Step-by-step explanation:

if keith starts with $500 and wants to end with (at least) $200

he can withdrawn up to $500-$200=$300

if he withdraws $25 week the $300 will last $300 $25 week =12 weeks

so this is the solution to the problem.

Money that Keith has  at the beginning of the summer = $ 500 )

Money that keith  wants to have at the end of the summer = At least $200

Money that Keith withdraws every week =$25

Let w to represent the number of weeks in the summer

In consequence , the correct inequality should be:

Amount at the beginning of the summer- money withdrawn every week ≥ money at the end of the summer

Replacing with the values we know:

500-25w≥200. The correct answer is A.

PLEASE MARK ME BRAINLIEST

Answer:

Well, this took me a long time...the answer is 1792

Explanation:

I just need to keep adding and adding 56 FOR 32 TIMES!!!!!!

Please brainiest!

Answer:

The correct answer is 1,792

Step-by-step explanation:

Hope this helps

Answer:

16

Step-by-step explanation:

The area under the curve can be estimated by adding the areas of 1 triangle and 2 trapezoids using the dashed lines in the graph and the x-axis.

Triangle:

base = 1

height = 2

Trapezoid 1:

base1 = 1

base2 = 7

height = 1

Trapezoid 2:

base1 = 7

base2 = 15

height = 1

total area = (1)(2)/2 + (1 + 7)(1)/2 + (7 + 15)(1)/2

total area = 16

Answer:

km square is the area and square km is the same as km square

The sum of two rational numbers is rational because the sum of any two fractions with rational numerators and denominators can be expressed as a fraction with a rational numerator and denominator.

A rational number is any number that can be expressed as a ratio of two integers, where the denominator is not equal to zero. For example, 1/2, -3/4, 6/5, and 0 are all rational numbers.

When we add two rational numbers together, we can use the following formula:

a/b + c/d = (ad + bc) / bd

where a, b, c, and d are integers and b and d are not equal to zero.

This formula tells us that the sum of two rational numbers is also a rational number. The numerator of the sum is found by cross-multiplying the fractions, and the denominator of the sum is found by multiplying the denominators.

For example, if we want to add 1/2 and 2/3 together, we can use the formula above:

1/2 + 2/3 = (1 x 3 + 2 x 2) / (2 x 3) = 7/6

Therefore, the sum of 1/2 and 2/3 is 7/6, which is also a rational number. This formula can be used to prove that the sum of any two rational numbers is also a rational number.

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A rational number is a number that can be written as \(\dfrac{a}{b}\) where \(a,b\in\mathbb{Z}\) and \(b\not=0\).

If one number is \(\dfrac{a}{b}\) and the other is \(\dfrac{c}{d}\), where \(b,d\not=0\), their sum is \(\dfrac{a}{b}+\dfrac{c}{d}=\dfrac{ad+bc}{bd}\). Since the set of integers is closed under addition and multiplication, we can write that \(\dfrac{ad+bc}{bd}=\dfrac{e}{f}\) where \(e,f\in\mathbb{Z}\) and \(f\not=0\), thus proving the sum of two rational numbers is a rational number.

To solve this problem, we have to use the equivalence of each type in dollars.

Taking x, y and z as the number of nickels, dimes and quarters, we have that:

0.05 is the equivalence of one nickel in dollars, same for 0.1 and 0.25 with dimes and quarters respectively.

Now, we know that she has 2 more dimes than nickels:

And 4 more quarters than nickels:

We can use the expression for y and z in terms of x in the first equation to find the value of x (number of nickels):

Once we have found x, we can use it to find y and z using the equations we stated:

It means that Susan has 3 nickels, 5 dimes and 7 quarters.

Hello there I hope you are having a great day :)

The Topic Shifting digits:

Shifting digits - Putting a digit in a different place. For a example Take the number 358 you would exchange the number from the hundreds that would equal 838 this meaning that you what to make a bigger number than a small one.

Examples:

1. 358 equal 838

2. 204 equal 402

3. 188 equal 881

You are just making them smaller to a greater number :)

Hopefully that helps you :)

Step-by-step explanation:

this is to make you aware what "power" or "value" is associated with what position in a number.

when I write a number like in the example above

795

then the strongest, most powerful value in the whole number is with the digit in the outmost left position.

the second most powerful with the digit in the next position to the right. and sin on.

and the digit in the outmost right position has the least value.

to make sure that there is no overlap between the positions, every position corresponds to a certain power of 10 level. each position to the left is one level higher, and another level higher and so on.

as we start with 10⁰, the levels go up to number of positions - 1.

3 positions means we go up to 10².

795 = 7×10² + 9×10¹ + 5×10⁰

or

42186 = 4×10⁴ + 2×10³ + 1×10² + 8×10¹ + 6×10⁰

by the way, you know that x⁰ = 1 for any value of x.

if we go into the decimals, then the same principle applies also on the right side of the decimal point. each position further right decreases the exponent of 10 by 1.

23.073 = 2×10¹ + 3×10⁰ + 0×10^-1 + 7×10^-2 + 3×10^-3

it is very important when handling and calculating numbers to stay always very aware of the positions the digits have in the actual number(s). and to combine always only the digits in the right corresponding positions for calculations or comparisons.

bottom line of this exercise above is therefore, if you put a smaller digit into the first position (outmost left), then the number value gets smaller, no matter what you do with the remaining digits in their positions.

and the other way around (bigger digit in the first position makes the number value bigger). it gets smaller or bigger with the associated power of 10.

you can imagine these associated powers of 10 as proponents or "bullies" of the corresponding digits. the bigger the exponent of 10, the stronger and effective the "bully".

on the other end :

even if you put a 9 instead of a 0 into the last (outmost right) position, the number value gets a little bit bigger. it has only the weakest "bully" to "make it heard". it only makes a difference, if the other digits are the same.

e.g.

52760 is smaller than 52769.

but

52770 is bigger than 5276x, no matter what digit you put in for x.

this is what this exercise tries to show you, and the playing around with the numbers should create a "feeling" in you to always think about it, even if it is only sub-consciously.

Step-by-step explanation:

so divide 34 and 4 you will get 17 / 2 so to make it into a mixed number divide it by 8 and it will 16 so 1 will be remaining so it will be 8 1/2 hope it helps :D

The 25th percentile of the data is therefore found in the 0 to 1-hour range.

A percentile score is one that evaluates an individual's performance in relation to that of the other group members. It shows the percentage of scores that a certain score exceeded

There are 48 speakers present, or around 25% of the total 192 speakers.

The graph shows that 60 speakers delivered talks that lasted between 0 and 1 hour.

This signifies that the number 48 is between 0 and 1.

A percentile is a score that assesses a certain score in relation to the scores of the other group members. It displays the proportion of other scores that a given score exceeded.

The percentile calculation is used to compare an individual's performance to that of others in order to assess it. The percentile method is used to compare a student's test score to that of other candidates.

The 25th percentile of the data is therefore found in the 0 to 1-hour range.

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The complete question is:

Distance from Y to Z is 10.4 km and Z to X is 20 km

Distance is a numerical measurement of how far apart objects or points are.

A triangle is a polygon with three edges and three vertices.

From the given data plot the graph,

Then,

∠XYZ=∠YZX=75 degrees

Therefore XY=XZ=20 km

\(YZ^{2}=20^{2} +20^{2} -2(20)(20)cos30\)

YZ=10.4 km

Hence, Distance from Y to Z is 10.4 km and Z to X is 20 km

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Answer:

Step-by-step explanation:

The proportion used to find the value of a is a/18 = 16/a

Proportion is a mathematical comparison between two numbers. According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other.

Given are three similar triangles, (refer to attached figure to separately see the similar triangles)

We know that, similar triangle have corresponding sides in equal ratio,

Therefore,

a/18 = 16/a

Hence, the proportion used to find the value of a is a/18 = 16/a

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Answer:

So what you want to do is 100% - 30% is 70% so tyhe aznswer is 80%

Step-by-step explanation:

egtyrswfa

The efficiency of the power screw in raising the load is approximately 6976%.

The efficiency of a power screw can be calculated using the formula: Efficiency = (Ideal Mechanical Advantage / Actual Mechanical Advantage) x 100% To find the Ideal Mechanical Advantage (IMA) of the screw, we can use the formula:

IMA = (π / tan(α)) x (π / 2) x (D / P)

Where: π is the mathematical constant pi (approximately 3.14159) tan(α) is the coefficient of friction (given as 0.20) D is the major diameter of the screw (given as 19 mm) P is the pitch of the screw, which can be calculated as (25.4 mm / number of threads per inch) First, let's calculate the pitch: Number of threads per inch = 6

Pitch = 25.4 mm / 6 = 4.23 mm (approximately)

Now, we can substitute the values into the formula to find IMA:

IMA = (π / tan(α)) x (π / 2) x (19 mm / 4.23 mm)

Using the given coefficient of friction, we have:

IMA = (π / 0.20) x (π / 2) x (19 mm / 4.23 mm)

Simplifying the equation, we get:

IMA = 9.87 x 1.57 x 4.49

Calculating IMA, we find:

IMA ≈ 69.76

Now, we need to find the Actual Mechanical Advantage (AMA), which can be calculated using the formula:

AMA = Load / Effort

Where:

Load is the weight being lifted (given as 17.80 kN)

Effort is the force applied to turn the screw

Since the screw is being used to lift the load, the Effort is equal to the load.

AMA = 17.80 kin / 17.80 kin

AMA = 1

Now, we can calculate the efficiency using the formula:

Efficiency = (IMA / AMA) x 100%

Efficiency = (69.76 / 1) x 100%

Efficiency ≈ 6976%

The efficiency of the power screw in raising the load is approximately 6976%.

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To maximize the number of interviews, 12 undergraduate students, 4 graduate students, and 4 faculty members should be hired. The maximum number of interviews that can be conducted is 684.

Let x, y, and z be the number of undergraduate students, graduate students, and faculty members hired, respectively. The objective is to maximize the number of interviews, which is given by the function

N = 18x + 25y + 30z.

The total cost of hiring interviewers is given by the function

C = 100x + 150y + 200z.

The constraints are x + y + z ≤ 20 (due to transportation limitations), and C ≤ 3200 (the budget constraint). Using linear programming techniques, we can solve for the optimal values of x, y, and z, which are 12, 4, and 4, respectively.

The maximum number of interviews is 18(12) + 25(4) + 30(4) = 684.

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Answer:

$ 367.87

Step-by-step explanation:

The formula for Compound interest =

A = P(1 + r/n)^nt

Where

A = Amount after t years

P = Initial Amount Invested = $2,300

t = time in years = 7 years

n = Compounding frequency = weekly = 52 times

r = interest rate = 2.12% = 0.0212

Hence:

A = $2,300(1 + 0.0212/52) ^52× 7

A = $ 2,667.87

Interest calculated as:

Amount - Principal

I = $2,667.87 - $2,300.00

I (interest) = $ 367.87

Answer:

Divide sparkys weight by 7 and theres your answer for solo

Step-by-step explanation: not enough info to get the number

Approximately 18.75% of the wooden block is submerged in the water.

The volume of water displaced by an object floating in a fluid is equal to the volume of the object. In this case, the mass of the wooden block is 12 kg. Since it is floating in a fresh water pool with a density of 1000 kg/m³, we can calculate the volume of water displaced by the block using the formula:

Volume of water displaced = Mass of block / Density of water = 12 kg / 1000 kg/m³ = 0.012 m³.

Given that the volume of the block is 64 liters, we can convert it to cubic meters by dividing by 1000 (1 liter = 0.001 m³):

Volume of block = 64 liters * 0.001 m³/liter = 0.064 m³.

To find the density of the block in kilograms per liter, we divide the mass of the block (12 kg) by its volume in liters (64 liters):

Density of block = 12 kg / 64 liters = 0.1875 kg/L.

To convert the density of the block to kilograms per cubic meter, we multiply it by 1000 (1 liter = 0.001 m³)

Density of block = 0.1875 kg/L * 1000 L/m³ = 187.5 kg/m³.

Finally, to determine the percentage of the block that is submerged, we compare the volume of water displaced (0.012 m³) to the volume of the block (0.064 m³) and calculate the ratio:

Percentage submerged = (Volume of water displaced / Volume of block) * 100 = (0.012 m³ / 0.064 m³) * 100 = 18.75%.

Therefore, approximately 18.75% of the wooden block is submerged in the water.

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Answer:

28

Step-by-step explanation:

because 28 is the last one

The reasoning provided, "If you build it, they will come. You build it. Therefore, they will come," is an example of deductive reasoning.

Deductive reasoning is a logical process that involves drawing specific conclusions based on general principles, premises, or known facts. In this example, the premise is "If you build it, they will come," which establishes a cause-and-effect relationship. The subsequent statement, "You build it," serves as a confirmation of the premise. From these premises, the conclusion is drawn: "Therefore, they will come." The conclusion logically follows from the premises, making it an example of deductive reasoning.

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Answer:

1 ≤ x ≤ 9

Step-by-step explanation:

The probability mass function of X( -3, -1, 1 ,3)  is P(X) 1/8 3/8 3/8 1/8.

A fair coin is flipped 3 times and the random variable X is defined as follows:

   X = 3 times the number of heads - 2 times the number of tails

To find the probability mass function of X, we can list all the possible outcomes and calculate their probabilities.

The Possible outcomes are as shown:

   3 heads (X = 3)

   2 heads, 1 tail (X = 1)

   1 head, 2 tails (X = -1)

   3 tails (X = -3)

And the Probabilities are:

   P(X = 3) = 1/8

   P(X = 1) = 3/8

   P(X = -1) = 3/8

   P(X = -3) = 1/8

Therefore, the probability mass function of X is:

X( -3, -1, 1 ,3)  is  P(X) 1/8 3/8 3/8 1/8

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The slope if it is perpendicular is \(-\frac{1}{m}\).

What is slope ?

The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).

What is perpendicular ?

The word perpendicular means at right angles and this is because when two lines meet, they form right angles. Perpendicular lines can face in any direction such as up and down, crossways, and side-to-side.

Let y = 3x + 1 is perpendicular ,

differentiate respect of x

\(\frac{dy}{dx} = 3\) , m = 3

Thus , \(-\frac{1}{m}\)

then \(-\frac{1}{3}\)

The slope if it is perpendicular is \(-\frac{1}{m}\).

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Step-by-step explanation:

a+b=41

let larger number be a and smaller be b

a=21+b

placing value of a in a+b=41

21+b+b=41

2b=41-21

b=20÷2

b=10

so a=21+10

=31

the numbers are 21 and 10.

The term "operation" in mathematics refers to the process of computing a value utilizing operands and a math operator. For the specified operands or integers, the math operator's symbol has predetermined rules that must be followed. In mathematics, there are five basic operations: addition, subtraction, multiplication, division, and modular forms.

Given, The sum of two numbers is 41.

let "x" be the smallest number.

Since The larger number is 21 more than the smaller number.

thus,

the larger number = 21 + smaller number

The larger number = 21 + x

Thus, sum = 41

x + 21 + x = 41

2x = 20

x = 10

So,

the Largest number = 21 + 10

Therefore, The largest number and the smallest number are 21 and 10 respectively.

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Answer:

No...

Step-by-step explanation:

Because if you did write it in stand form it would be

f(x)=-2.5\(x^{2}\)+15x-22.5

100% correct

\(\huge\text{Hey there!}\)

\(\mathsf{3p + 5(2q + p) + 3p - 6q}\\\mathsf{= 3p + 5(2q) + 5(p) + 3p - 6q}}\\\mathsf{= 3p + 10q + 5p + 3p - 6q}\\\large\textbf{COMBINE the LIKE TERMS}\\\mathsf{= (3p + 5p + 3p) + (10q - 6q)}\\\mathsf{= 3p + 5p + 3p \bold{+} 10q - 6q}\\\mathsf{= 8p + 3p + 4q}\\\mathsf{= 11p + 4q}\\\\\\\huge\text{Therefore, your answer should be:}\\\huge\boxed{\mathsf{11p + 4q}}}\huge\checkmark\)

\(\huge\text{Good luck on your assignment \& enjoy your day!}\)

Answer:

Step-by-step explanation:

To find the dimensions of the box, we need to solve for the value of x in the expressions given for its length, width, and height.

The volume of a box is given by multiplying its length, width, and height, so we can write:

V = (x+8) * x * (x-2)

Expanding the expression, we get:

V = (x^3 + 6x^2 - 16x)

We know that the volume of the box is measured in cubic feet, so we can assume that V is a positive value. Therefore, we can set V equal to some positive number, such as 1000 or 2000, and solve for x using algebraic techniques such as factoring or the quadratic formula.

For example, if we set V = 1000, we can write:

1000 = x^3 + 6x^2 - 16x

Simplifying and rearranging the terms, we get:

x^3 + 6x^2 - 16x - 1000 = 0

Using a graphing calculator or other mathematical software, we can find that the real solution to this equation is approximately x = 10.5.

Therefore, the dimensions of the box are:

- Length: x+8 = 18.5 feet

- Width: x = 10.5 feet

- Height: x-2 = 8.5 feet

Answer:

A, B, E

Step-by-step explanation:

I attached everything that I thought it would help you.

Hope this helps ;) ❤❤❤