PLEASE HELP!!!
identify the lengths of KL and LW
Answers:
A- KL=2.4, LW=3.6
B- KL=6, LW=2.4
C- KL= 3.6, LW=2.4
D- KL=12, LW=18

Answer:

The class raised $45 x 23 = $1035.

Step-by-step explanation:

To find the total amount of money raised by the class:

Identify the amount raised by one student: $45.

Multiply the amount raised by one student by the number of students: $45 * 23.

The total amount raised by the class is $45 * 23 = $1035.

Answer:

When using inverse operations with negative numbers, when you change subtraction to addition, the negative turns to a positive.

-8 - -10 can be changed to:

8 + 10

8 + 10 = 18

Step-by-step explanation:

Hope it helps! =D

Sorry took so log to answer. My internet is being slow some reason. -_-

Answer: b because i searched it up and thats what it is

Lydia invested an amount of $1110 in the 12% savings account and $1960 in the 13% savings account.

Let's assume the amount invested in the 12% savings account "x". Then, the amount invested in the 13% savings account would be "x + 850".

The total interest earned is $388, so we can write the following two equations to represent the interest earned in each account:

0.12x + 0.13(x + 850) = 388

Expanding the second equation, we get:

0.12x + 0.13x + 110.5 = 388

Combining like terms and simplifying, we get:

0.25x = 277.5

Dividing both sides by 0.25, we get:

x = 1110

So, she invested $1106 in the 12% savings account and $1110 + 850 = $1960 in the 13% savings account.

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Answer:

D. 29

Step-by-step explanation:

A. 10 = 2 × 5   not prime

B. 15 = 3 × 5   not prime

C. 27 = 3³   not prime

D. 29 = 1 × 29    prime

Answer:

29

Step-by-step explanation:

A prime number is a number that can't be divided by any number other than itself or 1.

10

1*10

2*5

5*2

10*1

NOT A PRIME NUMBER

15

1*15

3*5

5*3

15*1

NOT A PRIME NUMBER

27

1*27

3*9

9*3

27*1

NOT A PRIME NUMBER

29

1*29

29*1

PRIME NUMBER

Answer: 0.452 ÷ 2 = 0.226 is the correct answer. :)

Please answer my question too, i would appreciate it.

The actual diameter of the gazebo is 12.75 feet and has an area of

127.6 square inches.

The scale factor defines a variable in a ratio of two different measurements.

Sometimes drawings of large models are represented in a scale factor of a smaller unit.

Given, The blueprint for a circular gazebo has a scale of 2 inches = 5 feet.

So, The scale factor is (5/2) = 2.5 or 1 inch = 2.5 feet.

Also given, The gazebo has a diameter of 5.1 inches.

Therefore, The actual diameter of the gazebo is = 5.1×2.5 = 12.75 feet.

The area of the gazebo is π(12.75/2)² = 127.6 square inches.

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An inverse variation function with a small value for k. Therefore, option C is  the correct answer.

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is known as the "constant of proportionality".

The association between x and y can be classified in two ways, as follows:

Direct proportional: when the input x increases, the output y also increases.

Inverse proportional: when the input x increases, the output y decreases.

For this problem, we need an inverse proportional function, that has the following format:

y = k/x.

The lower the value of k, the lower the value of y when x goes to infinity.

Therefore, option C is  the correct answer.

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P(B|A) = P(A and B) / P(A) = 0.10 / 0.57 = 0.1754.

Probability is a branch of mathematics that deals with the study of random events and their likelihood of occurring. It provides a framework for understanding the uncertainty and unpredictability of real-world events and helps to make informed decisions based on data and evidence.

The basic concept of probability is the idea that every event has a numerical value between 0 and 1, representing the likelihood of the event occurring. An event with a probability of 1 is considered certain to occur, while an event with a probability of 0 is considered impossible to occur. Events with probabilities between 0 and 1 are considered uncertain, and their likelihood of occurrence can be described using a probability distribution.

There are different methods for calculating probabilities, including classical probability, which assumes that all outcomes are equally likely, and empirical probability, which is based on actual observations of real-world events. The concept of conditional probability is also important, as it allows us to calculate the likelihood of an event occurring given the occurrence of another event.

Probability is widely used in many different fields, including science, engineering, finance, and medicine. In science, it is used to model and understand complex systems, while in engineering it is used to design and test new technologies. In finance, it is used to evaluate investments and make informed decisions, while in medicine it is used to assess the risk of diseases and evaluate the effectiveness of treatments.

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Answer: [tex]80\%[/tex]

Step-by-step explanation:

[tex]\frac{90-50}{50} \times 100=80\%[/tex]

Answer:

(+7)[(-12)-(+8)]

Step-by-step explanation:

(+7)[(-12)-(+8)

The height where the pumpkin lands on the hill is given as follows:

36 meters.

The equation for the pumpkin's height is given as follows:

y = -0.1x² + 4.9x.

The equation for the hill's height is given as follows:

y = 0.9x.

Hence the pumpkin will land on the hill at a time of:

-0.1x² + 4.9x = 0.9x.

Hence:

0.1x² - 4x = 0.

x(0.1x - 4) = 0.

0.1x - 4 = 0

x = 40.

The height is then given as follows:

y = 0.9(40)

y = 36 meters.

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If  Health and Fitness Tyler does squats and pushups. He wants to increase the number of each type of exercise by 20% by the end of the month. The equation is 0.2(x+25)=13 and the number of squats is 40.

Let x represent  the number of squats Tyler currently have

Given the equation:

0.2(x + 25) = 13

Expanding the parentheses on the left side:

0.2x + 5 = 13

Subtracting 5 from both sides:

0.2x = 8.

Dividing both sides by 0.2 to isolate x:

x = 8/0.2

x = 40

Therefore  Tyler currently does 40 squats.

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Answer: $50

Step-by-step explanation:

Let's denote the amount of money Gabriella had before buying the cake as "a". Then we can write an equation to find "a":

a - $25.52 = $24.48

Adding $25.52 to both sides:

a = $25.52 + $24.48

So,

a = $50

Therefore, Gabriella had $50 before buying the cake.

44 tourists only visited LEGOLAND (of these three).

Let's call the number of tourists who visited only LEGOLAND x.

From the information given, we know that:

258 tourists had visited the Magic Kingdom

299 tourists had visited Universal Studios

100 tourists had visited both the Magic Kingdom and LEGOLAND

82 tourists had visited both the Magic Kingdom and Universal Studios

76 tourists had visited both LEGOLAND and Universal Studios

12 tourists had visited all three theme parks

68 tourists did not visit any of these theme parks

We can calculate x as follows:

x = number of tourists who visited LEGOLAND only

number of tourists who visited LEGOLAND - number of tourists who visited LEGOLAND and Magic Kingdom - number of tourists who visited LEGOLAND and Universal Studios + number of tourists who visited all three parks

= 100 - 82 - 76 + 12

= 44

Hence, 44 tourists only visited LEGOLAND (of these three).

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The scale factor is: 1.8

because of :

[tex]\frac{36}{20}=1.8\\ \\\\\frac{25.2}{14}=1.8[/tex]

Answer: First, calculate the total value of the shares after the price fall to $80:

value = 200 shares * $80/share = $16,000

Then, calculate the amount of money borrowed:

borrowed = $14,000 / (1 - margin requirement)

= $14,000 / (1 - 0.20)

= $14,000 / 0.80

= $17,500

Finally, calculate the percentage return on investment:

return = (value - borrowed) / borrowed * 100%

= ($16,000 - $17,500) / $17,500 * 100%

= -6.06%

The return on investment is -6.06%, meaning that the investment lost 6.06% of its value.

Step-by-step explanation:

The two digit number is 35.

Writing a mathematical statement in the form of a mathematical equation for the correct analysis, measurement and solutions.

Given is that Elizabeth is thinking of a two - digit number. When the tens digit is subtracted from the ones digit, the difference is 2. One-fifth of the number is 1 less than the sun of the digits.

Let the number be (xy).

We can write the two digit number as -

xy = 10x + y                                                   ... Eq { 1 }

Now, it is given that when the tens digit is subtracted from the ones digit, the difference is 2. We can write -

y - x = 2                                                              ... Eq { 2 }

Also, one - fifth of the number is 1 less than the sun of the digits. We can write -

(1/5)(10x + y) = (x + y) - 1                                         ... Eq { 3 }

Now, from eq { 1 } and eq { 2 }, we have -

y - x = 2    

y = x + 2

and

(1/5)(10x + y) = (x + y) - 1    

(1/5)(10x + x + 2) = (x + x + 2) - 1

(1/5)(11x + 2) = 2x - 1

11x + 2 = 10x - 5

x = - 7

y = -5

So, the number would be -

xy = 35

Therefore, the two digit number is 35.

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The loss is given as difference of cost price and selling price and the selling price is R750.

Mathematicians use the profit and loss formula to calculate market prices for goods and to assess how lucrative a company is. There is a selling price and a cost price for every goods. We can determine the profit made or loss suffered for a certain product based on the values of these prices. Cost price, fixed, variable, and semi-variable costs, selling price, marked price, list price, margin, etc. are some of the key words that are addressed in this article.

Given that the cost price is R600, and the profit is R150.

The profit is given as:

P = SP - CP

150 = SP - 600

SP = 150 + 600

SP = 750

The loss is given as:

L = CP- SP

Hence, the loss is given as difference of cost price and selling price and the selling price is R750.

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Both Lily and Charlotte biked 9 miles in a day. They biked 48 miles within the space of 3 days

An equation is an expression showing the relationship between two or more numbers and variables. An equation can either be linear, quadratic, cubic and so on depending on the degree.

Every day last week, Lily biked 7 miles and Charlotte biked 9 miles.

The total distance both biked in a day = 7 miles + 9 miles = 16 miles

Both Lily and Charlotte biked 9 miles in a day

They biked the same number of miles each day for 3 days, hence:

Total distance biked = 16 miles per day * 3 days = 48 miles

They biked 48 miles within the space of 3 days

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Hence Sequences 4, 16, 36, 64,.. are not arithmetic, however 40, 30, 20, 10,... are, with a common difference of -10 and the 52nd term being -490.

An arithmetic progression is defined as a constant discrepancy between terms that follow one another through a series. For instance, the number sequence 5, 7, 9, 11, 13, and 15 is an example of either an exponential manner with a limitation of two. A progression with a set tolerance between any consecutive numbers is referred to as a "arithmetic progression" (A.P.). Two types of mathematical progression are possible: series in mathematics with a finite length A finite geographic progression is a serie with a finite number of terms. The early, delayed, tolerance, and frequency of terms may all be calculated using the terms in the series.

given

First succession

4, 16, 36, 64,

The common difference must be the same for it to be considered AP.

It is not AP since 16 - 4  ≠  36 - 16.

Second succession;

40, 30, 20, 10, ...

common distinction =30 - 40 = 20 - 30 = 10 - 20 = -10

As a result, it will be an AP because the common difference is -10 and the same.

Now, The nth phrase of AP equals a plus (n - 1) d, where d is a typical difference and an is the initial term.

So, 52nd term = 40 + (52 - 1) (-10), which is -490.

Hence Sequences 4, 16, 36, 64,.. are not arithmetic, however 40, 30, 20, 10,... are, with a common difference of -10 and the 52nd term being -490.

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The car is 7 feet long and the model is 16 inches long, the ratio of the length of the car to the length of the model is, 21:4  So Option D is correct

A ratio in mathematics is a comparison of two or more numbers that shows how big one is in comparison to the other. The dividend or number being divided is referred to as the antecedent, while the divisor or number that is dividing is referred to as the consequent.

Given that,

The car is 7 feet long

The model is 16 inches long

The ratio of the length of the car to the length of the model = ?

It is known that,

1 feet = 12 inches

Now, converting length of car into inches

⇒   7 feet =  7×12 inches = 84 inches

So, Ratio of lengths

⇒  84/16

⇒   21/4

Hence, the ratio is 21:4

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Complete question:

A model is made of a car. The car is 7 feet long, and the model is 16 inches long. What is the ratio of the length of the car to the length of the model?

a) 4:21

b) 7:16

c) 16:7

d) 21:4

Answer:

x=65°

Step-by-step explanation:

Solution Given:

let the point having angle 115° be e.

and point having side containing a and c be f.

we have

∡bec+115°= 180° being linear pair

∡bec=180°-115°=65°

again

∡bec= ∡afc=65° being corresponding angle

again

∡afc=x°=65° being corresponding angle

Answer:

ehhhh

Step-by-step explanation:

Answer:

solution

given,

length =6cm

breadth =5cm

height =4cm

Now,

area of cuboid =l×b×h

=6cm ×5cm×4cm

=120cm^3

Hence, the total surface area of the given figure of cuboid is 120cm^3

Step-by-step explanation:

given above

The value of interest after 3 years is  £2,304.

Borrowers must pay lenders simple interest as a fee in exchange for a loan. Compound interest is excluded from the calculation and just the original principal is used. Simple interest applies to all loans, not just specific ones. Additionally, it is the kind of interest that banks give their customers on their savings accounts.

Given amount invested = principal = £9600

rate = 8% per year

time = 3 years

simple interest is,

SI = (Prt)/100

SI = (9600*8*3)100

SI = £2,304

Hence value after 3 years is £2,304.

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To isolate the variable on one side of the equal sign, divide both sides of the equation by the coefficient of the variable.

The equivalent of a gallon (gal) is 16 cups, 8 pints, or 4 quarts. The biggest liquid measurement is this one.

The complete question is

What is the biggest measurement of liquid?

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The slope of the linear relationship is equal to: A. negative five halves.

In Mathematics, the slope of a linear relationship can be determined by using this mathematical equation;

Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Based on the information provided, we can logically deduce the following slope and data points on the line:

Substituting the given data points into the slope formula, we have the following;

Slope, m = (y₂ - y₁)/(x₂ - x₁)

Slope, m = (-2 - 3)/(2 - 0)

Slope, m = -5/2

Note: -5/2 is negative five halves.

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Answer: The Answer is A. -5/2

Step-by-step explanation: I took the test.

The mean of the histogram is 904.8

The mean of the histogram is calculated as

Mean = Sum of the product of carrying load and frequency/Sum of frequency

Using the above as a guide, we have the following:

Mean = (870 * 5 + 890 * 7 + 910 * 8 + 930 * 4 + 950 * 3)/(5 + 7 + 8 + 4 + 3)

Evaluate

Mean = 904.8

Hence, the mean is 904.8

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