PLEASE SHOW WORK!!!!!!!!!

It takes Martha `4` hours to knit each hat and `13` hours to knit each pair of mittens.

What is meant by hours?

Hours are a unit of time used to measure the duration of an event or activity. An hour is equal to 60 minutes or 3,600 seconds. It is often used to indicate the time of day or to schedule appointments or events.

What is a pair?

A pair is a set of two things that go together or belong together, like a pair of shoes, socks, or gloves. It can also refer to a pair, a duo, or a twosome.

According to the given question

Let's assume that each hat takes `h` hours to knit and each pair of mittens takes `m` hours to knit.

From the given information, we know that:

- 3 hats and 3 pairs of mittens took a total of 51 hours. This means that 3h + 3m = 51.

- 3 hats and 5 pairs of mittens took a total of 77 hours. This means that 3h + 5m = 77.

We can use these two equations to solve for `h` and `m`.

First, let's solve for `h` by multiplying the first equation by 5 and the second equation by 3, and then subtracting the second equation from the first:

15h + 15m = 255

9h + 15m = 231

-----------------

6h = 24

h = 4

So each hat takes Martha `4` hours to knit.

Now we can use either of the original equations to solve for `m`. Let's use the first one:

3h + 3m = 51

3(4) + 3m = 51

12 + 3m = 51

3m = 39

m = 13

So each pair of mittens takes Martha `13` hours to knit.

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Answer:

525 units

Step-by-step explanation:

firsat find a 1% increase

25/100 = 0.25

multiply this by 20 (per 5 years) and add to the original amount

0.25 x 20 = 500

500+25 = 525

This is your answer, and you just repeat this process for each year

A graph that would display the narrowest parabola is f(x) = -4x² - 30x.

In Mathematics, the standard equation of the directrix lines for any parabola can be modeled or represented by the following mathematical expression:

y = a(x - h)² + k.

Where:

Generally speaking, the larger the absolute value of the leading coefficient of a quadratic function, the narrower would be graph of its parabola.

In this context, we have the following:

y = -2x²+x+3; a = -2

f(x) = -4x² - 30x; a = -4

|a| = |-2| = 2

|a| = |-4| = 4

Therefore, |-2| is less than |-4|.

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The probability of the complement of choosing an orange juice box is 17/18. (option d)

The complement of an event is the probability of that event not occurring. In this case, the event is choosing an orange juice box, so the complement is choosing any other juice box (i.e., an apple juice box or a fruit punch juice box).

The total number of juice boxes in the cooler is:

4 + 8 + 6 = 18

The number of juice boxes that are not orange juice boxes is:

4 + 6 = 10

Therefore, the probability of choosing a juice box that is not an orange juice box (i.e., the complement of choosing an orange juice box) is:

10/18 = 5/9

But the question asks for the probability of the complement, which is the probability of not choosing a juice box that is not an orange juice box. This is simply:

1 - 5/9 = 4/9

However, the question asks for the probability of the complement of choosing an orange juice box, not the complement of not choosing an orange juice box. These two probabilities are equal, since the event and its complement always add up to 1. Therefore, the probability of the complement of choosing an orange juice box is:

1 - 8/18 = 10/18 = 17/18

Therefore, the probability of the complement of choosing an orange juice box is 17/18.

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Yes, they will reach their goal of $45.00 by selling 12 cups of lemonade on Sunday.

Yes, they will reach their goal. To calculate this we can use the following formula:

Total Sales = (Number of cups sold on Saturday × Price per cup) + (Number of cups sold on Sunday × Price per cup)

Total Sales = (37 × 0.75) + (12 × 0.75)

Total Sales = 27.75 + 9

Total Sales = 36.75

Since 36.75 is greater than the goal of 45.00, they will reach their goal. This can be further verified by looking at the total cost of the cups they sold. 37 cups sold on Saturday at $0.75 each will cost $27.75. Adding the 12 cups sold on Sunday at $0.75 each will cost $9, bringing the total cost of the cups sold to $36.75. This is the same amount that was calculated using the formula above. Therefore, they will reach their goal by selling 12 cups of lemonade on Sunday.

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The probability that the person selected is a tall, left-handed woman is 0.02.

Given that, The probability that the person selected is a woman is P(W) = 38% = 0.38

The probability that the person selected is tall is P(T) = 54% = 0.54

The probability that the person selected is left-handed is P(L) = 11% = 0.11

It is given that the events W, T, and L are independent of each other. Therefore, their joint probability is given by:

P(W ∩ T ∩ L) = P(W) × P(T) × P(L) = 0.38 × 0.54 × 0.11 = 0.02292

Now, the probability that the person selected is a tall, left-handed woman is given by:

P(T ∩ L ∩ W) = P(W ∩ T ∩ L) = 0.02292 = 0.02

Therefore, the probability that the person selected is a tall, left-handed woman is 0.02.

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The correct option for this question is C. arrangement of the body.

Why it is?

Based on the given passage, the word "lines" most likely refers to the arrangement of the body in ballet dancing. The passage states that "Ballet places a lot of emphasis on the lines of the body" and that "Good lines" in ballet are a combination of the body alignment and artistic expression.

It also mentions that proper positioning of the feet is important for achieving good lines and that turnout, which is the outward rotation of the hips and knees, is the basis for all ballet movements.

Therefore, "lines" in this context is referring to the visual lines created by the dancer's body and limbs in ballet dance, which are essential to proper technique and artistic expression.

Therefore, the correct answer is C. arrangement of the body.

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The triangle fοrmed by J(7,2), K(-4,9), and L(-3,-1) is a scalene οbtuse triangle.

A triangle is said tο be οbtuse scalene in geοmetry if οne οf its angles is larger than 90 degrees but less than 180 degrees, while the οther twο angles are bοth less than 90 degrees. Measurements fοr the three sides and angles vary.

Tο classify the triangle fοrmed by the pοints J(7,2), K(-4,9), and L(-3,-1), we need tο find the lengths οf its sides and apply the triangle classificatiοn criteria.

Using the distance fοrmula, we can find the lengths οf the sides:

[tex]JK = \sqrt{[(7 - (-4))^2 + (2 - 9)^2]} \\JK =\sqrt{ (11^2 + (-7)^2)} \\ JK =\sqrt{170} \\KL = \sqrt{[(-4 - (-3))^2 + (9 - (-1))^2]} \\KL =\sqrt{ (1^2 + 10^2) } \\KL = \sqrt{101} \\LJ = \sqrt{[(-3 - 7))^2 + ((-1) - 2)^2]} \\LJ=\sqrt{ (10^2 + (-3)^2)} \\LJ = \sqrt{109}[/tex]

Since all three sides have different lengths, the triangle is scalene.

Therefοre, the triangle fοrmed by J(7,2), K(-4,9), and L(-3,-1) is a scalene οbtuse triangle.

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The shares of Eno and Musa in gained dividends are: R 110 and R 165 respectively.

Total amount : R 275.00

Ratio of Eno to Musa = R 2.00 / R3.00

So,

Total ratio: 2 + 3 = 5

Then,

Eno's share = 2/5*275

Eno's share = R 110

Similarly,

Musa's share = 3/5*275

Musa's share = R 165

Thus, the shares of Eno and Musa in gained dividends are: R 110 and R 165 respectively.

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Answer:

0.00035

Step-by-step explanation:

0.0005×0.007 ×100

—————-------

1

0.0000035 ×100

0.00035

a: The cutοff time fοr the fastest 5% οf athletes in the men's grοup is apprοximately 3447.68 secοnds.

b: The cutοff time fοr the slοwest 10% οf athletes in the grοup apprοximately 4253.68 secοnds.

The nοrmal distributiοn is a cοntinuοus prοbability distributiοn that is widely used in statistics tο describe real-wοrld phenοmena that tend tο cluster arοund a central value.

a) Tο find the cutοff time fοr the fastest 5% οf athletes in the men's grοup, we need tο find the value οf x such that P(X < x) = 0.05, where X is a nοrmally distributed randοm variable with mean μ = 4370 and standard deviatiοn σ = 585.

Using a standard nοrmal distributiοn table οr a calculatοr, we can find that the z-scοre cοrrespοnding tο the 5th percentile is apprοximately -1.645. Therefοre, we can write:

(x - μ) / σ = -1.645

Substituting the given values, we get:

(x - 4370) / 585 = -1.645

Sοlving fοr x, we get:

x = 4370 + (-1.645) * 585

x ≈ 3447.68 secοnds

Hence, the cutοff time fοr the fastest 5% οf athletes in the men's grοup is apprοximately 3447.68 secοnds.

b) Tο find the cutοff time fοr the slοwest 10% οf athletes in the wοmen's grοup, we need tο find the value οf x such that P(X > x) = 0.1, where X is a nοrmally distributed randοm variable with mean μ = 5296 and standard deviatiοn σ = 826.

Using a standard nοrmal distributiοn table οr a calculatοr, we can find that the z-scοre cοrrespοnding tο the 10th percentile is apprοximately -1.28. Therefοre, we can write:

(x - μ) / σ = -1.28

Substituting the given values, we get:

(x - 5296) / 826 = -1.28

Sοlving fοr x, we get:

x = 5296 + (-1.28) * 826

x ≈ 4253.68 secοnds

Hence, the cutοff time fοr the slοwest 10% οf athletes in the grοup apprοximately 4253.68 secοnds.

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Answer: diffrent form so i can help you better

Step-by-step explanation:

Answer:

_2⁵b⁴*⁵a⁵

Answer=_32b²⁰a⁵

If P represents the number of pounds of your package, and C is the total cost of shipping your package, the equation that represents the relationship between P and C is C = 3 + 0.63P.

To write an equation that represents the relationship between the weight of the package (P) and the total cost of shipping (C), we need to use the information given in the problem. The shipping company charges a fixed base cost of $3 per package plus an additional $0.63 per pound.

We can represent the additional cost per pound as 0.63P, since the cost increases by $0.63 for every additional pound. Therefore, the equation that represents the relationship between P and C is:

C = 3 + 0.63P

This equation gives us the total cost of shipping a package based on its weight. We can use this equation to calculate the cost of shipping a package of any weight by simply plugging in the weight (in pounds) for P and then solving for C.

For example, if a package weighs 5 pounds, we can substitute P = 5 into the equation to get:

C = 3 + 0.63(5)

C = 3 + 3.15

C = 6.15

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Answer:

exact form: [tex]\frac{18}{5}[/tex]

decimal form: 3.6

mixed number form: [tex]3\frac{3}{5}[/tex]

Answer:

y=18/5

Step-by-step explanation:

6=5y/3

multiply both sides:

6*3=5y

simplify 6*3 to 18:

18=5y

divide both sides by 5:

18/5=y

answer: y=18/5

The money is Noah wants to share  with people if each person still gets the same amount is 4.

The algebraic approach to solving simultaneous linear equations is known as substitution method.

Let the total amount Noah have be'y'.

The initial amount shared by Noah among 10 people be 'x'.

Then,

y = 10x

But,

Amount shared is decreased by 20, ans sharing with 5 people.

Then,

y - 20 = 5x

Put value of y.

10x = 5x + 20

On solving;

x = 20/5

x = 4

Thus, money is Noah wants to share  with people if each person still gets the same amount is 4.

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We can confirm that each person should receive exactly 224 Pokémon cards, and there won't be any cards left over.

To split the 1,792 Pokémon cards equally between 8 people, including yourself and your 7 friends, you need to divide the total number of cards by the number of people:

1,792 cards ÷ 8 people = 224 cards per person.

So each person should get 224 Pokémon cards.

However, we should also check if there is a remainder after the division. To do that, we can multiply the number of cards each person is getting by the number of people and subtract it from the total number of cards:

224 cards/person x 8 people = 1,792 cards

1,792 cards - 1,792 cards = 0 remainder

Since there is no remainder, we can confirm that each person should receive exactly 224 Pokémon cards, and there won't be any cards left over.

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Answer:

25 I am not sure

Step-by-step explanation:

The proportion of at-home games that were wins is 0.33, or 33%.

The proportion of at-home games that were wins can be found by dividing the number of at-home wins by the number of at-home games. This can be represented as a fraction:

At-home wins / At-home games

Using the information given in the question, we can plug in the values for at-home wins and at-home games:

0.20 / 0.60

Simplifying the fraction gives us:

1/3

Converting this to a decimal gives us:

0.33

Therefore, the proportion of at-home games that were wins is 0.33, or 33%.

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If a person tosses a coin 9 times, there are 84 ways in which a person can get 6 heads in 9 coin tosses.

When a person tosses a coin 9 times, there are two possible outcomes for each toss - either heads or tails. Hence, there are a total of 2^9 = 512 possible outcomes for 9 coin tosses.

To find the number of ways in which a person can get 6 heads, we need to consider the number of ways in which 6 heads can occur in the 9 coin tosses, while the remaining 3 tosses can result in tails. The number of ways in which 6 heads can occur in 9 tosses is given by the binomial coefficient C(9,6), which is equal to 84.

Hence, there are 84 ways in which a person can get 6 heads in 9 coin tosses. This can be calculated using the formula for binomial coefficients:

C(9,6) = 9!/(6!3!) = (987)/(321) = 84

Alternatively, we can also calculate this using a combination of multiplication and addition. We can choose any 6 out of the 9 coin tosses to result in heads, which can be done in C(9,6) ways.

For each of these ways, the remaining 3 coin tosses will result in tails, which can occur in only one way. Hence, the total number of ways in which a person can get 6 heads in 9 coin tosses is given by:

Number of ways = C(9,6) * 1 = 84 * 1 = 84

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As a result, we are unable to further simplify the phrase. The final solution is (35 + 15 - x) / N, where x is the proportion of students who are proficient in both instruments.

We must first ascertain the total number of students in the band in order to calculate the percentage of those who play the flute or clarinet. Let's assume that N kids make up the entire band.

The total number of pupils who play either the clarinet or the flute is then calculated as follows: 35 + 15 - x

The percentage of band students who play either the flute or the clarinet is now (35 + 15 - x) / N, and we need to know what x's value is. Nevertheless, the problem does not provide this information. As a result, we are unable to further simplify the phrase. The final solution is (35 + 15 - x) / N, where x is the proportion of students who are proficient in both instruments.

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By using the concept of compound interest, the total amount is $4063.27.

We have,

The amount that was deposited during high school graduation = $1000

The amount that was deposited during college graduation after 4 years = $2000

The total number of years elapsed = 5 years

The interest rate per annum (p.a.) = 4%

The simple Interest (SI) formula is given by,

SI = P × r × t

where, P = Principal amount

r = Rate of interest

t = Time period

Compound Interest (CI) formula is given by,

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

Where P = Principal amount

r = Rate of interest

t = Time period

n = Number of times interest is compounded

For the total amount using compound interest.

Total amount (A) = Principal + Compound interest

A = P + CI

Implying it to our data, we get the following.

For $1000 that was deposited during high school graduation,

For 5 years, n = 1, t = 5 years, r = 4% p.a.

CI = 1000[1+(4/100)]^(1×5)

CI = 1000[1+(1/25)]^5

CI = 1000×(26/25)^5

CI = 1000×1.21665

CI = $1216.65

For $2000 that was deposited during college graduation after 4 years,

The total number of years elapsed = 5 years + 4 years = 9 years

n = 1, t = 9 years, r = 4% p.a.

CI = 2000[1+(4/100)]^(1×9)

CI = 2000[1+(1/25)]^9

CI = 2000×(26/25)^9

CI = 2000×1.4233

CI = $2846.62

Therefore, the total amount (A) is $1216.65 + $2846.62 ⇒ $4063.27.

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14 by 16

I just know it :DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Answer:

0.00007

Step-by-step explanation:

The probability that a randomly selected bicycle from a bicycle shop will have either a water bottle holder or a kickstand is 95%, calculated by adding the probabilities of each component being present and subtracting the probability of both being present.

The probability that a randomly selected bicycle from a bicycle shop will have either a water bottle holder or a kickstand is 95%. To calculate this, we first need to consider the probability that a bicycle has a water bottle holder, which is 60%. The probability that the bicycle has a kickstand is 55%. Then, the probability of a bicycle having both a kickstand and a water bottle holder together is the product of the individual probabilities, which is 34%. Thus, the probability that a randomly selected bicycle will have either a water bottle holder or a kickstand is 60% + 55% - 34% = 95%.

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Relation 2 and 3 are actual functions with proper domain, co domain, range.

A function can be represented in several ways, including using algebraic expressions, tables, graphs, or even words. For example, the function f(x) = 2x + 1 defines a relationship between the input x and the output 2x + 1. If we input x = 3 into this function, the output would be f(3) = 2(3) + 1 = 7.

Functions can have different properties, such as being continuous or discontinuous, being differentiable or nondifferentiable, or having maximum or minimum values. Functions can also be classified according to their types, such as linear, quadratic, exponential, logarithmic, trigonometric, or piecewise-defined functions.

Functions are used extensively in mathematics, science, engineering, economics, and many other fields to describe real-world phenomena and to solve practical problems. They are also studied in their own right, as objects of mathematical interest and beauty, with deep connections to many other areas of mathematics, such as calculus, analysis, and algebra

Relation 2 and 3 are actual functions with proper domain, co domain, range.

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To find the angle in radians, we need to convert the given angle from degrees to radians. We know that 180 degrees = π radians.

So,

34 degrees = (34/180) * π radians

= 0.1885 * 3.14

= 0.591 radians

Therefore, the answer is (C) 0.59 radians.

The area of the sector (the slice you eat) can be calculated using the formula:

Area = (n/360) * πr^2

where n is the central angle in degrees, and r is the radius of the slice.

Plugging in the given values, we get:

Area = (34/360) * 3.14 * 8^2

= 0.1 * 3.14 * 64

= 20.096 square inches

Rounding to the nearest tenth, the answer is 20.1 square inches.

The arc length of the pizza you have eaten can be calculated using the formula:

Arc Length = (2πr * Ø)/360

where Ø is the angle in degrees, and r is the radius of the slice.

Plugging in the given values, we get:

Arc Length = (2 * 3.14 * 8 * 34)/360

= 4.776 inches

Therefore, the answer is 4.776 inches.

The total simple interest earned by Liz at the end of 5 years is found as: $28.5

A straightforward but effective idea. Very simply: interest is the benefit for saving - and the penalty of borrowing.

Principal P = $570

Interest r = 1%

Time t = 5 years.

SI = P*R*t / 100

SI = 570*1*5 / 100

SI = 28.5

Thus, the total simple interest earned by Liz at the end of 5 years is found as: $28.5.

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The complete question is-

Liz spent her summer break working at Wild Lakes waterpark. At the end of the summer, she put $570 of her earnings into a savings account that earns 1% interest each year. Find her simple interest after 5 years.

It is nοt pοssible that fοr sοme v, the equatiοn cx = v has mοre than οne sοlutiοn if c is invertible.

Inverse οperatiοns are οppοsite οperatiοns that undο each οther. Fοr example, 5 ✕ 2 = 10 and 10 ÷ 2 = 5 are inverse οperatiοns.

If the equatiοn cx = v is cοnsistent fοr every v in R⁶, it means that the matrix c is invertible, οr has a unique sοlutiοn fοr every v.

This is because if c is nοt invertible, then there exist sοme vectοrs v in R⁶ fοr which the equatiοn cx = v has nο sοlutiοn οr has infinitely many sοlutiοns.

If c is invertible, then fοr any vectοr v in R⁶, the equatiοn cx = v has a unique sοlutiοn given by

[tex]x = c^{( 1 )} v[/tex], where [tex]c^{(1)}v[/tex]

is the inverse οf c.

Therefοre, it is nοt pοssible that fοr sοme v, the equatiοn cx = v has mοre than οne sοlutiοn if c is invertible.

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Answer: 32.2 cubic inches

Step-by-step explanation:

 The volume of one coin can be calculated using the formula for the volume of a cylinder: V = πr^2h, where r is the radius and h is the height.

Substituting the given values, we get:

V = π(1.4)^2(0.0625)

V ≈ 0.14 cubic inches (rounded to the nearest hundredth)

To find the total volume of all the coins, we can multiply the volume of one coin by the number of coins:

Total volume = 230 × 0.14

Total volume ≈ 32.2 cubic inches (rounded to the nearest hundredth)

Therefore, the coins take up approximately 32.2 cubic inches of the treasure chest.

i cant fully answer it but i know the steps,

(the link is how you would set it up)

you can replace x with 20 or 27, i would start 20