NEED HELP FAST!!!! Please answer both questions

The missing numbers on the grids are given as follows:

2 and -6.

The amounts are obtained by a system of equations, for which the variables are given as follows:

x and y.

The top grid represents the sum of the measures, hence:

x + y = -4.

The bottom grid represents the subtraction of the measures, hence:

x - y = 8.

Adding the two equations, the value of x, representing the left grid, is given as follows:

2x = 4

x = 2.

Then the value of y, representing the right grid, is given as follows:

2 + y = -4

y = -6.

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Answer: 161.2

Step-by-step explanation:

Plug into formula

6.9² = 13²+17.8²-2(17.8)(13) cos C      >simplify numbers

-438.23 = -2(17.8)(13) cos C               >Divide both sides by  -2(17.8)(13)

cos C=.947                                         > use   [tex]cos^{-1}[/tex] C  to solve for angle

<C=180-18.75 = 161.2                          > neded to subtract from 180 for this                    

                                                                one

Answer:

The third answer is correct

Step-by-step explanation:

Given:

A net of a rectangular prism

l (length) = 11,75 cm

w (width) = 5,75 cm

h (height) = 4 cm

Find: A (surface area) - ?

The surface area is equal to the sum of the areas of all the sides

There are:

2 sides with dimensions of 11,75 cm and 4 cm

2 sides with dimensions of 5,75 cm and 11,75 cm

2 sides with dimensions of 4 cm and 5,75 cm

[tex]a(surface) = 4 \times 11.75 \times 2 + 5.75 \times 11.75 \times 2 + 4 \times 5.75 \times 2 = 275.125 = 275 \frac{1}{8} \: {cm}^{2} [/tex]

The cost of the stock for the investor would be calculated as follows:

Cost of 1 share = $98.93
Number of shares purchased = 500

Total cost of the stock = Cost per share x Number of shares
Total cost of the stock = $98.93 x 500
Total cost of the stock = $49,465

The broker charges 2% of the cost of the stock, so the broker's fee would be calculated as:

Broker's fee = 2% x Total cost of the stock
Broker's fee = 2% x $49,465
Broker's fee = $989.30

Therefore, the total cost of the stock for the investor including the broker's fee would be:

Total cost of the stock + Broker's fee = $49,465 + $989.30
Total cost of the stock + Broker's fee = $50,454.30

So the cost of the stock for the investor including the broker's fee is $50,454.30.

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Answer:

x = -6

Step-by-step explanation:

5x + 3 = 2x - 15

3x + 3 = -15

3x = -18

x = -6

Let's Check

5(-6) + 3 = 2(-6) - 15

-30 + 3 = -12 - 15

-27 = -27

So, x = -6 is the correct answer.

Answer:

x = -6

Step-by-step explanation:

Equation is 5x + 3 = 2x - 15

First, we can subtract the constants

5x = 2x - 18

Then, we can subtract 2x on both sides

3x = -18

Divide both sides by 3 to isolate x

x = -6

The measure of angle TUV, given that line segment UT is tangent to circle V, and angle VTS is 145, is 55°.

Based on the information provided, you are looking to find the measure of angle TUV, given that line segment UT is tangent to circle V, and angle VTS is 145º.

Since UT is tangent to circle V, it means that angle UTV is a right angle (90º). Now, we know that the sum of the angles in a triangle is 180º. Therefore, to find the measure of angle TUV (m∠TUV), we can use the following formula:

m∠TUV + m∠UTV + m∠VTS = 180º

Substitute the given values:

m∠TUV + 90º + 145º = 180º

Solve for m∠TUV:

m∠TUV = 180º - 90º - 145º
m∠TUV = -55º

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The probability that out of three exactly one car will require a minor repair in the first year = 33%

P(E ) = no. of favorable outcome/total no. of outcome

E here represents exactly one car that requires a minor repair.

out of three cars, exactly one car will need a minor repair

No. of favorable outcome = 1

Total no. of outcome = 3

Now, putting value in P(E) we get

P(E) = 1/3

P(E) = 0.333

To get percentage we multiply by 100

P(E) = 0.333 × 100

P(E) = 33.3

The probability to the nearest percent = 33%

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The man needs to pay a total tax of Rs 69780 (3000 for social security and 66780 for yearly tax).

To find the tax, let's find the man's yearly income:

Yearly income = Monthly income x 12

Yearly income = 53000 x 12 = 636000

Next, let's find how much he deposits in civil investment fund and charity:

Amount deposited in civil investment fund = Yearly income x 20%

Amount deposited in civil investment fund = 636000 x 0.2 = 127200

Amount deposited in charity = Yearly income x 10%

Amount deposited in charity = 636000 x 0.1 = 63600

Now, let's calculate the total taxable income:

Total taxable income = Yearly income - Amount deposited in civil investment fund - Amount deposited in charity

Total taxable income = 636000 - 127200 - 63600 = 445200

Since the man's taxable income is above Rs 300000, he needs to pay 1% social security tax on Rs 300000:

Social security tax = 1% of 300000 = 3000

Now, let's calculate the yearly tax imposed at a rate of 15%:

Yearly tax = Total taxable income x 15%

Yearly tax = 445200 x 0.15 = 66780

Therefore, the man needs to pay a total tax of Rs 69780 (3000 for social security and 66780 for yearly tax).

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The tent has a volume of 86 cubic feet.

The tent owned by Dante is in the shape of a triangular prism, which means it has two identical equilateral triangle bases that measure 5 feet each. The tent's length is 8 feet, and its height is 4.3 feet.

To calculate the tent's volume, we can use the formula for the volume of a triangular prism, which is [tex]V = (1/2) * b * h * l[/tex], where b is the base, h is the height, and l is the length of the prism.

Plugging in the given values, we get [tex]V = (1/2) * 5 * 4.3 * 8[/tex] = 86 cubic feet. The volume of a tent is an important consideration when deciding which one to purchase or use for a particular activity, as it determines how much space is available inside for people and belongings.

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The only possible value of k is k = 336675.

Suppose, for the sake of contradiction, that k is a prime such that k(k+2013) is a perfect square. Let's denote the perfect square as m^2, where m is a positive integer. Then we can write:

k(k+2013) = m^2

Expanding the left-hand side, we get:

k^2 + 2013k = m^2

Moving all the terms to one side, we get:

k^2 - m^2 + 2013k = 0

Using the difference of squares, we can factor this as:

(k - m)(k + m) + 2013k = 0

Since k is a prime, it must be greater than 1. Thus, k + m and k - m are both integers greater than 1 whose product is divisible by k. This means that at least one of them is divisible by k. Since k is prime, this can only happen if either k + m or km is equal to k. Thus, we have two cases to consider:

Case 1: k + m = k, which implies m = 0. But m is a positive integer, so this is impossible.

Case 2: k - m = k, which implies m = 0. But again, m is a positive integer, so this is impossible.

Therefore, our assumption that k is prime leads to a contradiction, and we conclude that k cannot be prime.

To find the correct value of k, note that k and k+2013 share a common factor of 3. Thus, we can write k = 3n and k+2013 = 3m for some integers n and m. Substituting these expressions into the equation k(k+2013) = m^2 and simplifying, we get:

3n(3n+2013) = m^2

n(3n+2013/3) = m^2/3

n(n+671) = m^2/3

Since n and n+671 are relatively prime, both n and n+671 must be perfect squares. Let's write n = p^2 and n+671 = q^2 for some integers p and q. Then we have:

q^2 - p^2 = 671

Using the difference of squares again, we can factor this as:

(q + p)(q - p) = 671

Since 671 is a prime, its only factors are 1 and 671. Therefore, we have two possibilities:

q + p = 671, q - p = 1, which implies q = 336, p = 335, n = p^2 = 112225, k = 3n = 336675

q + p = 671, q - p = 671, which implies q = 336 + 335 = 671, p = 0, which is not a valid solution since n cannot be negative.

k = 336675. is the best possible answer.

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The expression that is equivalent to the one Regina wrote is y + 27/4

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

y + 9 x 3/4

This means that

Expression = y + 9 x 3/4

When expanded, we have

Expression = y + 27/4

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

The expression that is equivalent to the one Regina wrote is y + 27/4

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The areas of the sector in the circle are 18π, 3π, 10π and 5π

The orange sector

This is calculated as

Sector area = central angle/360 * πr²

Where

So, we have

Sector area = 180/360 * π * 6²

Sector area = 18π

The yellow sector

This is calculated as

Sector area = central angle/360 * πr²

Where

So, we have

Sector area = 30/360 * π * 6²

Sector area = 3π

The green sector

This is calculated as

Sector area = central angle/360 * πr²

Where

So, we have

Sector area = 100/360 * π * 6²

Sector area = 10π

The purple sector

This is calculated as

Sector area = central angle/360 * πr²

Where

So, we have

Sector area = 50/360 * π * 6²

Sector area = 5π

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The solution of the exponents is shown below.

Exponents are mathematical shorthand for multiplying a number by itself a certain number

We have that;

5^n = 1

5^n = 5^0

n = 0

2) 2^-7/2^n = 2^2

2^-7 - n = 2^2

-7 - n = 2

-n = 2 + 7

n = -9

3) 6^5 * 6^n = 6^1

6^ 5 + n = 6^1

5 + n = 1

n = 1 - 5

n = -4

4) (8^n)^7 = 8^21

8^7n = 8^21

7n = 21

n = 3

5) 4^n = (1/4)

4^n = 4^-1

n = -1

In each of the cases, we have applied the laws of the exponents as we know them.

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The equation of the forms are matched as;

2⁻⁷/2ⁿ = 2², n = -9

6⁵ * 6ⁿ = 6. n = -4

(8ⁿ)⁷ = 8²¹, n = 3

4ⁿ = 1/4 , n = -1

Index forms are simply described as mathematical forms that are used to represent numbers of variables that are too large or small.

To multiply index forms, you need to add the exponents of the same bases.

To divide index forms, you need to subtract the exponents of the same bases.

From the information given, we have that;

2⁻⁷/2ⁿ = 2²

cross multiply the values

2⁻⁷ = 2²⁺ⁿ

Then,

-7 = 2 + n

n = -9

6⁵ * 6ⁿ = 6

take the exponents

5 + n= 1

n =- 4

(8ⁿ)⁷ = 8²¹

We have;

7n = 21

Make 'n' the subject

n = 3

4ⁿ = 1/4

4ⁿ = 4⁻¹

n =-1

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Isaiah needs to make at least 10 visits to the movie theater to earn his first free movie ticket.

To determine the number of visits Isaiah needs to earn his first free movie ticket, we can use an inequality. Let x be the number of visits he needs to make.

Isaiah earns 6.5 points for each visit, so the total points he earns after x visits is 6.5x.

He also received 75 points just for signing up, so the total number of points he has is 75 + 6.5x.

To earn a free movie ticket, he needs at least 140 points, so we can write the inequality:

75 + 6.5x ≥ 140

Simplifying this inequality, we get:

6.5x ≥ 65

x ≥ 10

Therefore, Isaiah needs to make at least 10 visits to the movie theater to earn his first free movie ticket.

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The expression that represents the volume of the cylinder, in cubic units, is:

[tex]$$V = 2\pi x^3$$[/tex]

The expression that represents the volume of a cylinder in cubic units is given by the formula:

[tex]$$V = \pi r^2h$$[/tex]

where [tex]$r$[/tex] is the radius of the base of the cylinder and [tex]$h$[/tex] is the height of the cylinder.

Now, let's consider each option provided:

[tex]1. $4\pi x^2$[/tex]

This expression only includes the radius, but it does not include the height of the cylinder, so it cannot be the correct answer.

[tex]2. $2\pi x^3$[/tex]

This expression includes both the radius and the height of the cylinder, but it does not include the squared term for the radius, so it cannot be the correct answer.

[tex]3. $\pi x^2$[/tex]

This expression includes the squared term for the radius, but it does not include the height of the cylinder, so it cannot be the correct answer.

[tex]4. $2x$[/tex]

This expression only includes a single variable, which is neither the radius nor the height of the cylinder, so it cannot be the correct answer.

[tex]5. $2\pi x^3$[/tex]

This expression includes both the squared term for the radius and the height of the cylinder, so it is the correct answer.

Therefore, the expression that represents the volume of the cylinder, in cubic units, is:

[tex]$$V = 2\pi x^3$$[/tex]

This formula can be used to calculate the volume of a cylinder given the value of its radius and height.

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By setting up an inequality, the maximum number of vans that are needed to ferry 80 people are 7 vans.

To find the maximum number of vans needed to ferry 80 people using the given terms, let's set up an inequality. Let's use the variable "v" to represent the number of vans.

Since a van can ferry a maximum of 12 people, we can write the inequality as:

12v ≥ 80

Now, let's solve for "v":

Divide both sides of the inequality by 12.
v ≥ 80/12

Simplify the inequality.
v ≥ 6.67

Since we cannot have a fraction of a van, we need to round up to the nearest whole number:

v ≥ 7

Therefore, the maximum number of vans needed to ferry 80 people is 7 vans.

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(a) The cost of City Bus for driving 10 miles = $3.

(b) The cost of City Bus for driving 25 miles = $7.5.

(c) The cost of City Bus for driving 42 miles = $12.6.

(d) The cost of City Bus for driving 68 miles = $20.4.

We previously choose City Bus as our mode transport since the per mile cost for City Bus is less.

Let the model for City Bus be f(x) = cx + d, where f(x) is total cost and x is number of miles.

From the table of Taxi we get, f(2) = 0.60; f(4) = 1.20; f(6) = 1.80 and f(8) = 2.40.

So, 2a + b = 0.60 and 4a + b = 1.20

(4a + b) - (2a + b) = 1.20 - 0.60

2a = 0.60

a = 0.60/2 = 0.30

Now, f(8) = 2.40

8*0.30 + b = 2.40

2.40 + b = 2.40

b = 2.40 - 2.40 = 0

So the function rule for City Bus is, f(x) = 0.3x.

(a) Total cost to drive 10 miles is,

f(10) = 0.3*10 = 3

(b) Total cost to drive 25 miles is,

f(25) = 0.3*25 = 7.5

(c) Total cost to drive 42 miles is,

f(42) = 0.3*42 = 12.6

(d) Total cost to drive 68 miles is,

f(68) = 0.3*68 = 20.4

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The missing sides are given as;

1. x = 12. 9

2. a = 12. 4

3. n = 5. 2

4. k = 13. 5

5. n = 22. 5

To determine the missing sides, we have to use the different trigonometric identities. These identities are;

Using the cosine identity, we have;

cos 31 = x/15

cross multiply the values, we get;

x = 12. 9

2. Using the tangent identity, we have;

tan 44 = 12/a

cross multiply the values

a = 12. 4

3. Using the sine identity;

sin 48 = n/7

n = 5. 2

4. Using the cosine identity;

cos 42 = 10/k

cross multiply

k = 13. 5

5. cos 26 = n/25

n = 22. 5

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If someone asked me how it could be possible for an annual interest rate to be higher than 100%, I would explain that it is actually quite common in certain situations, particularly in the case of loans with very short terms or loans with high fees.

For example, let's say you borrowed $100 from a lender and agreed to pay back $110 in one week. The lender is essentially charging you 10% interest for the one-week loan period, but if you annualize that rate, it comes out to over 520%. This is because the lender is charging you a very high interest rate for a very short period of time.

Another example would be if you took out a payday loan, which typically have very high fees attached to them. For instance, you might borrow $500 and have to pay back $575 in two weeks. The interest rate on this loan might be calculated as the $75 fee divided by the $500 borrowed, which comes out to 15%. However, if you annualize that rate, it comes out to over 390%.

In both of these examples, the interest rate is very high because the loan term is very short and/or the fees are very high. It's important to note that borrowing at such high interest rates can be extremely costly and can lead to a cycle of debt, so it's generally recommended to avoid loans with high interest rates whenever possible.

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We can see here that the amount he or she will pay in taxes for their entire lifetime is: $344,000

Tax is a financial obligation that all people, businesses, and other types of entities must fulfill for a government organization.

Let us say that an average American makes $40,000  for his or her lifetime and works from age 22 to 65, and pays a combined federal and state income tax rate of 20%, the amount of taxes paid per year would be:

$40,000 x 0.20 = $8,000

Over a 43-year period (from age 22 to 65), the total amount of taxes paid would be: $8,000 x 43 = $344,000

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Polar coordinates for rectangular coordinates if x<0: r=√(x²+y²) and θ=tan⁻¹(y/x)+π if y≥0 or θ=tan⁻¹(y/x)−π if y<0, For x≥0: r=√(x²+y²) and θ=tan⁻¹(y/x) if y≥0 or θ=tan⁻¹(y/x)+2π if y<0.

The polar coordinates of a point with rectangular coordinates (x,y) depend on the sign of x.

If x<0, the polar coordinates are (r,θ) where r≥0 and −π/2≤θ<3π/2. If x≥0, the polar coordinates are (r,θ) where r≥0 and −π/2≤θ<3π/2.

If x<0, t

hen r=√(x²+y²) and

θ=tan⁻¹(y/x)+π if y≥0

or θ=tan⁻¹(y/x)−π if y<0.

The value of r is the distance from the origin to the point and θ is the angle between the positive x-axis and the line segment from the origin to the point.

If x≥0, then r=√(x²+y²) and θ=tan⁻¹(y/x) if y≥0 or θ=tan⁻¹(y/x)+2π if y<0.

In this case, θ is the angle between the positive x-axis and the line segment from the origin to the point, measured counterclockwise.

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Using approximation as x = 10, the estimation of y = 4.06 cm.

We need to find the area of the triangular cross-section of the prism. Since it is an isosceles right-angled triangle, we know that the two legs are equal in length, so let's call them x.

The area of a triangle is 1/2 * base * height, and in this case, the base and height are both x, so the area is 1/2 * x * x, or x^2/2.

Now, we can use the formula for the volume of a prism, which is V = area of base * height. In this case, the volume is 203 cm, and the height is y, so we can write:

203 = x^2/2 * y

To estimate the value of y, we need to make an assumption about the value of x. Since we don't have any information about it, let's assume it is about 10 cm (this is just an approximation).

Plugging in x = 10, we get:

203 = 10^2/2 * y
203 = 50 * y
y = 203/50
y ≈ 4.06 cm

So our estimate for y is 4.06 cm. Remember to include all the necessary terms and the final line, which should say: Estimate for y is 4.06 cm.

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In general, the cost of the visit will depend on the number of cavities found by the dentist as: Cost = $50 + $100 * n.

An equation is a mathematical statement that says that two expressions are equal. It consists of two sides, the left-hand side (LHS) and the right-hand side (RHS), separated by an equal sign (=). An equation expresses a relationship between the quantities involved and represents a balance or equality between the two sides. Equations are used in various fields of mathematics, science, and engineering to model real-world situations and solve problems. They can be linear or nonlinear, simple or complex, and involve different types of variables, functions, and operators. Solving equations is an essential skill in mathematics and involves applying various techniques and strategies to find the solution or solutions to the equation.

Here,

If the dentist finds n cavities, the cost of the visit will be:

Cost = $50 + $100 * n

So, if the dentist finds, for example, 3 cavities, the cost of the visit will be:

Cost = $50 + $100 * 3 = $350

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Complete question:

The price of a visit to the dentist is $50 if the dentist feels any cavities in additional charge of $100 per cavity get added to the bill. If the dentist finds n cavities What will the cost of the visit be?

Answer:

  [tex]\displaystyle\textsf{a) }\binom{8}{4}\\\\\textsf{b) }\binom{-8}{4}[/tex]

Step-by-step explanation:

Given a translation vector ...

  [tex]\displaystyle \binom{g}{h}[/tex]

moves g to the right and h up, you want the vectors for 8 right, 4 up, and for 8 left, 4 up.

When we have g = units to the right, and we want 8 units to the right, we know that g = 8. Similarly, h = units up, and we want 4 units up, so h = 4.

Putting these values in the vector form, we have ...

a)   8 right, 4 up matches vector ...

  [tex]\displaystyle \boxed{\binom{8}{4}}[/tex]

b)  Left is the opposite of right, so 8 units left will be represented by ...

  g = -8

As before, 4 units up means h = 4.

  [tex]\displaystyle \boxed{\binom{-8}{4}}[/tex]

<95141404393>

As a result, the function's absolute maximum and minimum values are 5 and -45, respectively, at x = -5 and x = 2, respectively.

Every element in a set (referred to as the domain) in mathematics is connected by a rule known as a function to exactly one component in some other set (called the range or codomain). In other terms, a role is a connection among 2 sets where every element in the domain matches exactly one member in the range. Using a formula or equation with a variable input, function notation is a common way to represent functions. As an illustration, the formula f(x) = 2x + 1 gives each true figure x the value 2x + 1.

given

We can apply the second derivative test to determine whether this critical point is a maximum or minimum. By taking f'(xderivative, )'s we arrive at:

f''(x) = -4

The critical point at x = 0 is a local maximum since f"(0) = -4 is a negative value.

Secondly, we must determine whether the interval's endpoints of -5 x 2 provide values that are higher or lower than the crucial point. By entering x = -5 and x = 2, we obtain:

[tex]f(-5) = 5-2(-5) (-5)^2 = 5 – 50 = -45[/tex]

[tex]f(2) = 5 - 2(2) (2)^2 = -3[/tex]

As a result, the function's absolute maximum and minimum values are 5 and -45, respectively, at x = -5 and x = 2, respectively.

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Answer:

  (c)  x ≤ 5 or x ≥ 7

Step-by-step explanation:

You want the solution to |x -6| ≥ 1.

The absolute value relation represents two relations, one for the domain x < 6, and one for the domain x ≥ 6.

In this domain, the inequality becomes ...

  -1 ≥ x -6

  5 ≥ x . . . . . . add 6

  x ≤ 5 . . . . . . . put x on the left

In this domain, the inequality is ...

  x -6 ≥ 1

  x ≥ 7

The disjoint solution sets are x ≤ 5 or x ≥ 7.

__

Additional comment

For |x -a| ≤ b, we can "unfold" this to the compound inequality ...

  -b ≤ (x -a) ≤ b

copying the inequality symbol to the left side, and writing the opposite of the constant there.

We can do the same thing with the inequality ...

  |x -a| ≥ b

but it doesn't really make sense as a compound inequality.

Instead, we have to write it as ...

  -b ≥ (x -a)   or   (x -a) ≥ b

in recognition of the fact that the solution spaces are disjoint.

The distance is negative because it's a fall, so the cat falls 27.36 ft between t = 0.5 s and t = 1.4 s.

To find the distance the cat falls between t = 0.5 s and t = 1.4 s, we need to use the formula for velocity and distance.
we first need to find the position at each of these times using the given formula u(t) = -32t ft/s.

The formula for distance fallen is:
distance(t) = initial position + initial velocity × t + (1/2) × acceleration × t²

Since the cat falls with zero initial velocity and starts from the tree, we can simplify the formula:
distance(t) = (1/2) × acceleration × t²

First, let's find the velocity of the cat at t = 0.5 s and t = 1.4 s using Galileo's formula:
u(0.5) = -32(0.5) = -16 ft/s
and, u(1.4) = -32(1.4) = -44.8 ft/s

Now, we can use the formula for distance:
distance = (velocity at t = 0.5 s + velocity at t = 1.4 s) / 2 x (t = 1.4 s - t = 0.5 s)
⇒ distance = (-16 ft/s + (-44.8 ft/s)) / 2 x (1.4 s - 0.5 s)
⇒ distance = (-60.8 ft/s) / 2 x (0.9 s)
⇒ distance = -27.36 ft/s x s

Therefore, the cat falls 27.36 feet between t = 0.5 s and t = 1.4 s.

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Over the last couple of years, Arnav's height has increased by 20% so his current height is 1.8 meters.

Arnav's height initially was 1.5 meters. Over the last couple of years, his height increased by 20%. To find the new height, we can use the formula: new height = initial height × (1 + percentage increase).

In this case, the initial height is 1.5 meters and the percentage increase is 20%, which can be expressed as a decimal (0.2). Using the formula, we can calculate Arnav's new height as follows:

New height = 1.5 meters × (1 + 0.2) = 1.5 meters × 1.2 = 1.8 meters.

After the 20% increase in height over the last couple of years, Arnav's current height is 1.8 meters.

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Answer:

m=2

Step-by-step explanation:

Answer:

El coeficiente del término 23x^5 es 23.

Step-by-step explanation: