Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options. x < 5 –6x – 5 < 10 – x –6x + 15 < 10 – 5x A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right. A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.

Answer:

Step-by-step explanation:

The number of different collections of 10 books you can take from a set of 15 books can be calculated using the formula for combinations:

n choose k = n! / (k! * (n-k)!)

Where n is the total number of books (15), and k is the number of books you want to choose (10).

Plugging in the values, we get:

15 choose 10 = 15! / (10! * (15-10)!)

= 3003

Therefore, you can take 3003 different collections of 10 books from the set of 15 books.

It is to score 35 points in 20 minutes greater than 49 goals in 35.

More than and less than signs are used to indicate whether one number is greater than or less than another. If the initial number surpasses the second number, the larger than symbol (>) is used. The sign () is used to indicate that the first number is smaller than the second number.

This sign is used to denote that one value is greater than the other. For

instance, it is accurate to say that 4 is more than 2. Hence, it may be

expressed simply 4 > 2. Let's now examine the greater than sign from both

its left and right sides.

35 / 20 = 1.75

49 / 35 = 1.4

Therefore, 35 points in 20 minutes is greater than 49 points in 35 minutes.

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Complete question -

35 points in 20 minutes or 49 points in 35 minutes? Find which is greater.

The graph is increasing from 0 minutes to 40 minutes, decreasing from 40 minutes to 80 minutes, and constant from 80 minutes to 200 minutes.

The rate of global warming is increasing. Every year, average global temperatures continue to rise, leading to more extreme weather events and disruptions to the environment. This has been caused by human activities, such as burning fossil fuels, which release carbon dioxide and other greenhouse gases into the atmosphere. These gases trap heat, leading to a rise in temperatures.

The domain of the relation is the set of all time values, ranging from 0 minutes to 200 minutes. The range of the relation is the set of all depth values, ranging from 0 feet to 8 feet.

The graph represents a function because for every value of time, there is exactly one corresponding value of depth.

The graph shows the depth of water in a horse trough over a certain amount of time. The graph starts at 0 feet and increases to a maximum of 8 feet over the first 40 minutes. After 40 minutes, the depth of the water starts to decrease until it reaches a minimum of 2 feet at 80 minutes. After 80 minutes, the depth of the water remains constant at 2 feet until the end of the graph at 200 minutes.

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Answer:

[tex]\huge\boxed{\sf y = x + 4}[/tex]

Step-by-step explanation:

Slope = m = 1

Point = (x,y) = (6,10)

Here, x = 6 and y = 10

y = mx + c

Where m is slope and c is y-intercept.

Put x, y and m in the above equation.

10 = (1)(6) + c

10 = 6 + c

10 - 6 = c

So,

y = (1)x + (4)

[tex]\rule[225]{225}{2}[/tex]

Answer: To find the proportions of each type of juice in the 6 quarts of fruit punch, we need to use ratios:

For every 2.5 quarts of apple juice, we need (6/8) x 2.5 = 1.875 quarts of apple juice.

For every 1.5 quarts of cranberry juice, we need (6/8) x 1.5 = 1.125 quarts of cranberry juice.

For every 3 quarts of grape juice, we need (6/8) x 3 = 2.25 quarts of grape juice.

So the proportions of apple, cranberry, and grape juice in the 6 quarts of fruit punch are approximately:

1.875 quarts of apple juice

1.125 quarts of cranberry juice

2.25 quarts of grape juice

Note that these proportions are approximate because we rounded the amounts of each juice to two decimal places.

Step-by-step explanation:

Answer:

To find the area of the shaded region, we need to find the area of the sector formed by the shaded angle and subtract the area of the triangle formed by the radius and the two radii at the endpoints of the shaded angle.

The area of the sector can be found using the formula:

Area of sector = (θ/360) x πr²

where θ is the central angle in degrees and r is the radius of the circle.

Here, θ = 130 degrees and r = 21 cm.

Area of sector = (130/360) x π x 21²

= 2471.39 cm²

Next, we need to find the area of the triangle. We can find the height of the triangle using trigonometry.

sin(130 degrees/2) = h/21

h = 21 x sin(65 degrees)

h ≈ 18.12 cm

The base of the triangle is the length of the arc that forms the shaded angle. We can find this length using the formula:

Length of arc = (θ/360) x 2πr

Length of arc = (130/360) x 2π x 21

= 38.81 cm

The area of the triangle is:

Area of triangle = 0.5 x base x height

= 0.5 x 38.81 x 18.12

= 351.70 cm²

Finally, we can find the area of the shaded region by subtracting the area of the triangle from the area of the sector:

Area of shaded region = Area of sector - Area of triangle

= 2471.39 - 351.70

= 2119.69 cm²

Therefore, the area of the shaded region is approximately 2119.69 cm².

Answer:

X is 4.

Step-by-step explanation:

Hope this helps!

The variable term can be added to both sides to solve an inequality with a positive coefficient when it is solved with a negative coefficient.

In mathematics, inequalities specify the connection between two non-equal values. Equal does not imply inequality. Typically, we use the "not equal symbol (≠)" to indicate that two values are not equivalent. But various inequalities are used to compare the values, whether it is less than or larger than.

A coefficient in mathematics is a multiplicative component in a polynomial term, a series term, or an expression. It is typically a number, but it can also be any expression. When the coefficients are themselves variables, they may also be termed parameters.

Recognize that the variable term can be added to both sides to solve an inequality with a positive coefficient when it is solved with a negative coefficient; in this instance, the relationship between the variable and the inequality symbol has flipped.

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Answer:

Step-by-step explanation:

y = 3x + 9

1. ƒ is one-to-one and f(0) = 7, then f⁻¹(7) = 0 and (f(0))⁻¹ = 1/7. 2. A domain on which ƒ is one-to-one and non-decreasing is (4, ∞).

In mathematics, a function is a relation between two sets of elements, called the domain and the range, where each element in the domain is paired with a unique element in the range. The domain is the set of input values for the function, while the range is the set of output values.

A function is usually denoted by a symbol such as f, and is defined by a rule that assigns to each element in the domain a unique element in the range. This rule can be given in various forms, such as an algebraic expression, a graph, or a table of values.

For example, the function f(x) = 2x assigns to each input value x a unique output value that is twice the value of x. If we plug in x = 3, we get f(3) = 2(3) = 6, which means that 3 is mapped to 6 by the function f.

Question 1:

If ƒ is one-to-one and f(0) = 7, then f⁻¹(7) = 0 and (f(0))⁻¹ = 1/7.

Since ƒ is one-to-one, every element in the domain is mapped to a unique element in the range. This means that if f(0) = 7, then f⁻¹(7) = 0, which is the unique element in the domain that maps to 7.

Also, (f(0))⁻¹ = (7)⁻¹ = 1/7.

Therefore, f⁻¹(7) = 0 and (f(0))⁻¹ = 1/7.

Question 2:

Let f(x) = (x - 4)².

For f to be one-to-one and non-decreasing, the function must be strictly increasing or decreasing on its domain.

To find a domain on which ƒ is one-to-one and non-decreasing, we can take the derivative of ƒ and look at its sign:

f'(x) = 2(x - 4)

f'(x) is positive for x > 4, which means that ƒ is increasing on the interval (4, ∞).

Therefore, a domain on which ƒ is one-to-one and non-decreasing is (4, ∞).

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1. Calculating the output when using -6 as the input, we have:

Rule 1: subtract 7  = -13

Rule 2: square the input = 36.

Rule 3: divide by 3 = 12

Rule 4: divide the input into 3 = -2

Rule 5: write π = -2π

Rule 6: volume of a cube = -216cm³

A function rule is a mathematical expression that describes how to calculate the output value of a function based on its input value. It can be thought of as a set of instructions that tell you what to do with the input value to get the output value.

2. a. True. Speed is the ratio of distance traveled to the time taken to travel that distance. In this case, the distance is fixed at 100 meters, so speed is solely dependent on time. For each value of time, there is only one corresponding value of speed, making it a function.

b. False. While time and distance are related in the formula for speed, time is not a function of distance in this case. Each student's time is independent of the distance they cover, and the same distance is covered by all students (100 meters). Therefore, for any given distance, there are multiple possible values of time, making it not a function.

c. False. The number of students racing is not related to their speed. Each student's speed depends solely on their individual time, which is not affected by the number of other students racing.

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Answer:

13.) y=(x-4)^(2)+3

Step-by-step explanation:

To determine which of these methods apply, you'll need to analyze the given information about angles and side lengths in triangles AMNO and AQRS.

To prove that triangles AMNO and AQRS are similar (~), we need to show that their corresponding angles are congruent, and their corresponding sides are proportional. Here are some methods to do that:

1. Angle-Angle (AA) similarity: If two pairs of corresponding angles in triangles AMNO and AQRS are congruent, then the triangles are similar.

2. Side-Angle-Side (SAS) similarity: If two pairs of corresponding sides in triangles AMNO and AQRS are proportional, and the included angles between these sides are congruent, then the triangles are similar.

3. Side-Side-Side (SSS) similarity: If all three pairs of corresponding sides in triangles AMNO and AQRS are proportional, then the triangles are similar.

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the correct option for this question is  (a) e < 53.

Why it is?

The inequality that represents Natasha's earnings, e, from any of the companies she interviewed with is:

e < 53.5

This is because her projected earnings per hour range from $25.13 to $53.5, and the maximum value is $53.5. So, her earnings from any of the companies cannot be greater than $53.5 per hour. Therefore, the correct answer is option (a) e < 53.

Earnings are the amount of money that a person earns from their work, business, investments, or other sources of income. This can include salaries, wages, commissions, bonuses, and profits, among others.

Earnings are typically reported as gross income, which is the total amount earned before taxes and other deductions are taken out. It is an important measure of a person's financial well-being and is often used to determine eligibility for credit or loans. Earnings can vary widely depending on a person's job, level of experience, education, and industry, among other factors.

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Answer:

[tex]\frac{2}{3} ^{7}[/tex]

Step-by-step explanation:

1) Count how many  [tex]\frac{2}{3}[/tex] there are.

[tex]\frac{2}{3} ^{7}[/tex]

Answer:

To write the cubic polynomial function f(x) in expanded form with zeros −6, −5, and −1, we can use the factored form of a cubic polynomial. The factors of this polynomial are (x + 6), (x + 5), and (x + 1) . Therefore, the cubic polynomial function f(x) in factored form is f(x) = a(x + 6)(x + 5)(x + 1). We also know that f(0) = 60. Substituting x = 0 in the equation gives us: f(0) = a(6)(5)(1) = 30a. Therefore, a = 2. Substituting this value of a in the factored form of the polynomial gives us: f(x) = 2(x + 6)(x + 5)(x + 1). Expanding this expression gives us the cubic polynomial function f(x) in expanded form with zeros −6,−5,and −1 as: f(x) = 2x^3+14x^2+11x-60

Step-by-step explanation:

f(x) = 2 (x+6)(x+5)(x+1) .

Added multiplier 2 because 6×5×1 = 30. But it's given that f(0) = 60.

f(x) = 2x³ + 24 x² +82 x 60

Chain discount is a type of discount offered by a seller to a buyer for purchasing a certain amount of goods or services in a series of transactions. The discount is applied incrementally as the buyer meets specific purchasing thresholds.

Chain discounts are often used to encourage larger purchases and build customer loyalty. They can be beneficial for both the buyer and the seller, as the buyer receives a discount and the seller increases their sales volume.

Item: Trotter treadmill

List price: $ [tex]3,000[/tex]

Chain discount:  [tex]9/4[/tex]

To calculate the net price, we first need to determine the amount of the chain discount.

Chain discount = List price x Chain discount rate

Chain discount = $ [tex]3,000 \times 9/4[/tex]

Chain discount = $ [tex]6,750[/tex]

The net price is the list price minus the chain discount:

Net price = List price - Chain discount

Net price = $ [tex]3,000[/tex] - $6,750

Net price = -$3,750

Therefore, The Net price is = -$3,750

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Answer: 1/3, proper, 1 1/3, not proper.

Three parallelograms are created with name A′B′C′D′, and A″B″C″D″.

Twο number lines cοmbine tο generate the twο-dimensiοnal surface knοwn as the cοοrdinate plane. The x-axis is a single hοrizοntal number line. The y-axis is the name οf the vertical number line that is the οther number line.

1) As the first step, let's plot the points A(1, 1), B(2, 3), C(4, 3), and D(3, 1) on a coordinate plane.

2) Next, let's translate polygon ABCD 2 units down by subtracting 2 from the y-coordinates of each point, and create parallelogram A′B′C′D′:

A'(1, -1), B'(2, 1), C'(4, 1), D'(3, -1)

3) Now, let's reflect parallelogram A′B′C′D′ over the x-axis by multiplying each y-coordinate by -1 to create parallelogram A″B″C″D″:

A″(1, 1), B″(2, -1), C″(4, -1), D″(3, 1)

4) Finally, let's translate polygon ABCD 2 units to the left by subtracting 2 from the x-coordinates of each point, to create parallelogram A′′B′′C′′D′′:

A′′(-1, 1), B′′(0, -1), C′′(2, -1), D′′(1, 1)

5) The three parallelograms are shown in the below graph.

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This situation also emphasises how important it is to be conscious of one's surroundings and potential hazards when performing tasks like tossing a flying disc.

When you threw the flying disc into the air, it encountered an obstacle in the form of a tree branch, which caused it to change its trajectory. As a result, the disc's momentum slowed down, and it eventually came to a rest on a nearby roof.

This phenomenon is an example of how external forces can alter an object's motion and ultimately affect its final position.

Additionally, this scenario highlights the importance of being aware of one's surroundings and potential obstacles when engaging in activities such as throwing a flying disc.

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Answer: 12, 32/11

Step-by-step explanation:

3 12

4 32/11

Answer:

2.25

Step-by-step explanation:

9 × 250 m = 2250 mL

1 L = 1000 m

2250 mL × (1 L)/(1000 mL) = 2.25 L

The ship that can last forever for the given parallelogram is REHIFSDPI.

A unique variety of quadrilateral made up of parallel lines is called a parallelogram. A parallelogram can have any angle between its neighbouring sides, but it must have opposing sides that are parallel for it to be a parallelogram. If the opposing sides of a quadrilateral are parallel and congruent, it will be a parallelogram. Hence, a quadrilateral in which both sets of opposite sides are parallel and equal is referred to as a parallelogram.

The letter corresponding to each answer is:

1. congruent - R

2. parallelogram - E

3. pair - N

4. Bisect - H

5. sometimes - I

6. Sum of angles of parallelogram is 360, also opposite angles are equal, thus,

72 + 72 + 2x = 360

x = 108 - F

7. Sum of angles of parallelogram is 360, also opposite angles are equal, thus,

89 + 89 + x + x = 360

178 + 2x = 360

x= 91 - S

8. Diagonals of parallelogram bisect each other CO = 16. - D

9. Opposite sides of parallelogram are congruent thus,

4x + 2 = 5x - 3

x = 5 - P

10. Opposite sides are equal,

2x + 1 = x + 8

x = 7 - I

Hence, the ship that can last forever for the given parallelogram is REHIFSDPI.

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The correct answer is (d) No, quadrilaterals LMNO and PQRS are not similar because their corresponding sides are not proportional.

A quadrilateral is a geometric shape with four sides and four corners.

To be classified as a quadrilateral, its shape must be a closed figure with four straight sides and four interior angles. 

To determine quadrilaterals are similar, we need to check if corresponding angles are congruent and corresponding sides are proportional.

Checking corresponding angles are congruent:

∠ L  to ∠P.

∠M  to ∠Q.

∠ N  to ∠ R.

∠O  to ∠S.

All corresponding angles are congruent. Therefore, quadrilaterals have the same shape.

Check if corresponding sides are proportional.

LM =√((-1 - (-2))² + (4 - 2)²) = √(2² + 2²) = 2√2

MN = √((3 - (-1))² + (4 - 4)²) = √(4²) = 4

NO = √((4 - 3)² + (2 - 4)²) = √(2² + 2²) = 2√(2)

OL = √((-2 - 4)² + (2 - (-6))²) = √(6² + 8²) = 10

PQ = √((4 - 2)² + (-2 - (-6))²) = √(2² + 4²) = 2√5

QR = √((12 - 4)² + (-2 - (-2))²) = √(8²) = 8

RS = √((15 - 12)² + (-6 - (-2))²) = √(3² + 4²) = 5

SP = √((2 - 15)² + (-6 - (-6))²) = √(13²) = 13

LM / PQ = (2√2) / (2√5) = √(8/5)

MN / QR = 4 / 8 = 1/2

NO / RS = (2√(2)) / 5√(1) = (2/5)√(2)

OL / SP = 10 / 13

The corresponding sides are not proportional because they are not all equal or proportional to each other. Therefore, we can conclude that the quadrilaterals LMNO and PQRS are not similar.

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A) The prοbability that less than 5% οf Americans in a sample οf 100 will be diagnοsed with lung cancer is very small, οnly 0.02%.

B) As there is still variability in the number οf cases that may arise due tο chance.

Prοbability is the study οf the chances οf οccurrence οf a result, which are οbtained by the ratiο between favοrable cases and pοssible cases.

(A) We can use the binοmial distributiοn tο mοdel the number οf Americans in a sample οf 100 whο are diagnοsed with lung cancer. Let X be the number οf Americans in the sample whο are diagnοsed with lung cancer. Then X ~ Bin(100, 0.0625).

We want tο find P(X < 5). We can use the nοrmal apprοximatiοn tο the binοmial distributiοn, since n is large and p is nοt tοο clοse tο 0 οr 1. Using the cοntinuity cοrrectiοn, we have:

P(X < 5) = P(X < 5.5)

[tex]= P((X - np) \sqrt{(np(1-p))} < (5.5 - np)\sqrt{(np(1-p))})[/tex]

[tex]= P(Z < (5.5 - 6.25100)\sqrt{(6.25100*(1-0.0625)))[/tex]

= P(Z < -3.52)

= 0.0002 (frοm standard nοrmal table)

Therefοre, the prοbability that less than 5% οf Americans in a sample οf 100 will be diagnοsed with lung cancer is very small, οnly 0.02%.

(B) If 20 οr mοre Americans whο smοke cigarettes are diagnοsed with lung cancer in a sample οf 100, this is quite rare based οn the expected rate οf 6.25% in the general pοpulatiοn. This suggests that smοking is a significant risk factοr fοr develοping lung cancer, as the οbserved rate is much higher than the expected rate.

Hοwever, we cannοt cοnclude that all smοkers will develοp lung cancer, as there is still variability in the number οf cases that may arise due tο chance.

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Answer:

4.05 miles

Step-by-step explanation:

Draw a diagram to help you visualize the problem

Remember the formula to find area

Area = base x height

Substitute the values into the equation and solve for the missing variable

0.65 mi^2 = (base)(0.4mi)

The other side of the pasture is 1.625 miles long

Answer: 50,000,000

Step-by-step explanation:

Given number is 54825638

The number at the tens place is 4 which is less 5. So, round down the value.

rounded value of 54825638 is 50000000.

Therefore, 54825638 rounded to the nearest Hundreds is 50000000.

Answer:

a/c = t/v

b/d = u/w

Step-by-step explanation:

Use corresponding sides to complete the fractions.

a/c = t/v

b/d = u/w

Answer:

11.28m

Step-by-step explanation:

Area = πr^2

Area = 400 = πr^2

r =sqrt ([tex]\frac{400}{\pi }[/tex]) = 11.28

r = 11.28m