Can someone pretty please help me and answer these questions??!?!!!?

The amount of area covered by the surface of something is known aa surface are for that object.

Slant height of cone is \(s=\frac{113-4n}{4}\)

Since, the surface area of cone is given by,

                                S = nr + rs

where r is the radius and s is the slant height.

Separate slant height s from above expression

\(S = nr + rs\\\\rs=S-nr\\\\s=\frac{S-nr}{r}\)

substituting S=113 square feet and r = 4 feet

we get,    Slant height \(s=\frac{113-4n}{4}\)

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The prime factorization of the number 21 is:

21 = 3*7

We want to write the prime factorization of 21.

To do so, we just need to divide the number by prime numbers.

The first prime number we can try is 2, if we divide by 2 we get:

21/2 = 10.5

This is not an integer, so 2 is not a factor.

The next one is 3:

21/3 = 7

Now we can rewrite:

21 = 3*7

Where 3 and 7 are prime numbers, so that is the prime factorization.

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I do not have the answer but I need it too

Answer:

x = 2, y = 1

Step-by-step explanation:

x + 3y = 5

3y = -x + 5

y = -1/3x + 5/3

-x + 6y = 4

-x + 6(-1/3x + 5/3) = 4

-x - 2x + 10 = 4

-3x = -6

x = 2

x + 3y = 5

2 + 3y = 5

3y = 3

y = 1

Answer:

marke me as brainly please

Walking is not safe on the path whenever rabbits have been seen in the area, and berries are ripe along the path. This is formalized by using the →(if-then) and ∧(logical and) operators.

Given information and corresponding atomic propositions:

We need to formalize the given statements in terms of atomic propositions r, b, and w, which are defined as follows:

r: Rabbits have been seen in the area.

b: Berries are ripe along the path.

w: Walking on the path is safe.

Now, let us formalize each of the given statements in terms of these atomic propositions:

a) Berries are ripe along the path, but rabbits have not been seen in the area.

b: Rabbits have not been seen in the area, and walking on the path is safe, but berries are ripe along the path.

c: If berries are ripe along the path, then walking is safe if and only if rabbits have not been seen in the area.

d: It is not safe to walk along the path, but rabbits have not been seen in the area, and the berries along the path are ripe.

e) For walking on the path to be safe, it is necessary but not sufficient that berries not be ripe along the path and for rabbits not to have been seen in the area.

Walking is not safe on the path whenever rabbits have been seen in the area, and berries are ripe along the path.

The formalizations in terms of atomic propositions are:

a) b ∧ ¬r.b) ¬r ∧ w ∧

b.c) (b → w) ∧ (¬r → w).

d) ¬w ∧ ¬r ∧

b.e) (¬r ∧ ¬b) → w.b ∧

Berries are ripe along the path, but rabbits have not been seen in the area.

This is formalized by using the ∧(logical and) operator.

(¬r ∧ ¬b) → w: It means For walking on the path to be safe, it is necessary but not sufficient that berries not be ripe along the path and for rabbits not to have been seen in the area.

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Answer:

B(x) = 2x + 3

Step-by-step explanation:

Given:

Amount used = 3 GB   (constant term)

Additional amount for each stream = 2 GB  (slope)

Total bandwidth used for x streams

B(x) = 2x + 3

Answer:

4

Step-by-step explanation:

4x4x4=64

Answer:

0.4193

Step-by-step explanation:

Root 64=8

Root 364=19.08...in 4 s.f

8÷19.08=0.4193...in 4 significant figures (4s.f)

Answer: C

Step-by-step explanation:

Use the slope formula.

(3,9)

(9,13)

13-9/9-3 = 4/6 = 2/3 is slope.

C is automatically the answer since it's the only one with a slope of 2/3

Answer:

Step-by-step explanation:

here's how i'd solve it:

1. for each option, just plug in the first x-value in each equation, and see if it matches with the first y value.

- in this case, it's 3. when you do the math, you'll see that option A (y=6x-9) and option C (y=2/3x+7) are both equal to 9 when x=3.

2. so, automatically you can get rid of option B and option D.

- now, let's test A and B. plug in the second x-value in each equation and see if it matches with the corresponding y-value.

- when you calculate, you'll find that option A's solution doesn't match with the one in the table,  so you can get rid of that option too!

- that only leaves you with option C, and you can double check by plugging in the 3rd x-value from the table into C's equation and checking it.

hope this helps!!

Correlated variables are two explanatory factors that are connected to both the response variable and each other. The statistical relationship between two variables, which shows how they change together, is referred to as correlation.

Explanatory variables are used in regression analysis to forecast or explain the response variable. A correlation between two explanatory variables indicates that changes in one are influenced by changes in the other. Understanding the relationship between the explanatory variables and the response variable can be significantly impacted by this correlation. When analysing data, it's crucial to take into account the presence of correlated variables in order to avoid problems like multicollinearity and properly interpret the analysis's findings.

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Answer

35 (3 + x)

Step-by-step explanation:

A counterexample is an example that shows the statement is false.

Of these options, 0 is the counter example.

We get: y = 32(1.3863)^x ≈ 32(1.3863)^x . To find the exponential model that fits the points in the table.

We can use the general form:

y = ab^x

where a is the initial value, b is the base, x is the input variable, and y is the output variable.

Using the given data, we can write two equations:

32 = ab^0

243 = ab^5

From the first equation, we get a = 32. Substituting into the second equation, we get:

243 = 32b^5

Solving for b, we get:

b^5 = 243/32

b = (243/32)^(1/5)

b ≈ 1.3863

Therefore, the exponential model that fits the points in the table is:

y = 32(1.3863)^x

Rounding the exponent to four decimal places, we get:

y = 32(1.3863)^x ≈ 32(1.3863)^x

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The value of the given integral is (625π/3).

To evaluate the given integral, we use cylindrical coordinates. The transformation equations are:

x = r * cos(theta)

y = r * sin(theta)

z = z

The Jacobian of the transformation is obtained as:

J = | ∂(x, y, z) / ∂(r, theta, z) |

= | cos(theta) sin(theta) 0 |

|-rsin(theta) rcos(theta) 0 |

| 0 0 1 |

Simplifying the determinant, we get:

J = r * (cos^2(theta) + sin^2(theta))

= r

Now, we substitute the transformation into the given integral:

∫(-5 to 5) ∫(0 to 2π) ∫(0 to √(25 - x^2)) r * √(1/(x^2 + y^2)) dy dtheta dz

This becomes:

∫(-5 to 5) ∫(0 to 2π) ∫(0 to √(25 - x^2)) r^2 * dr dtheta dz

Simplifying further:

∫(-5 to 5) ∫(0 to 2π) (1/3) * (25 - x^2)^(3/2) dtheta dz

Next, we integrate with respect to theta:

∫(-5 to 5) (2π/3) * ∫(0 to √(25 - x^2)) (25 - x^2)^(3/2) dz dx

Integrating with respect to z:

∫(-5 to 5) (2π/3) * [(25 - x^2)^(5/2)] / (5/2) dx

Simplifying further:

(2π/3) * ∫(-5 to 5) [(25 - x^2)^(5/2)] dx

This is a standard integral that can be evaluated using basic calculus. The result is:

(2π/3) * (625/2)

= (625π/3)

Therefore, the value of the given integral is (625π/3).

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a.. F'(x) = 6/5 is the derivative function for the expression f(x) = (6/5)x + 3. b. y - (9/5) = (6/5)(x + 1) is the equation of the tangent line to the graph of f at (-1, f(-1)).

a. The power rule for derivatives can be used to determine the derivative function f'(x) for the function f(x) = (6/5)x + 3. The power rule states that the derivative of a function \(f(x) = ax^n\) is given by \(f'(x) = nax^{(n-1)\).

Applying the power rule to f(x), we have:

\(f'(x) = (6/5)(1)x^{(1-1) }= (6/5)x^0 = 6/5\)

Therefore, the derivative function f'(x) for f(x) = (6/5)x + 3 is f'(x) = 6/5.

b.We must ascertain the slope of the tangent line at that location in order to ascertain the equation of the line tangent to the graph of f at (a, f(a)) for a = -1.

We are aware that the derivative of the function at that location determines the slope of the tangent line. The slope of the tangent line is also 6/5 because we discovered in part (a) that f'(x) = 6/5.

The equation of the tangent line can be expressed using the point-slope form of a linear equation as follows:

y - f(a) = m(x - a)

Plugging in the values a = -1, f(a) = f(-1), and m = 6/5, we have:

y - f(-1) = (6/5)(x - (-1))

To find f(-1), substitute x = -1 into the original function f(x):

f(-1) = (6/5)(-1) + 3 = -6/5 + 3 = 9/5

Now we can rewrite the equation of the tangent line:

y - 9/5 = (6/5)(x + 1)

This equation is in point-slope form and represents the line tangent to the graph of f(x) = (6/5)x + 3 at the point (-1, 9/5).

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Answer:

75x + 100 greater than 1000

Step-by-step explanation:

Answer:

upper right corner

Step-by-step explanation:

just let x=0

then you know y>1

so those in left is wrong

and it's> not >=

y isn't equal to 1 so bottom right corner is wrong

Answer:

b=36

Step-by-step explanation:

by triangle exterior theorem

b+81 = 117

b=36

Answer:

B is 36 degrees, and a is 63 degrees

Step-by-step explanation:

180 - 117 = 63

a = 63 degrees

81 + 63 + b = 180

144 + b = 180

180 - 144 = b

36 degrees = b

The length of a side of the hexagon or square is - 16 units

The length of a side of the hexagon or square = x

The perimeter of the square = 4 × lengths of its side

                                               = 4x

The perimeter of the hexagon = 6 × lengths of its side

                                                  = 6x

According to the question,

                                           4x + 32 = 6x

                                       ⇒ 6x - 4x = 32

                                       ⇒  2x = 32

                                       ⇒  x = 16

So, the length of a side of the hexagon or square is - 16 units.

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Answer:

m is parallel to n

Step-by-step explanation:

Calculate the slopes of m, n, p and q using the slope formula

m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)

• Parallel lines have equal slopes

• The product of the slopes of perpendicular lines = - 1

For line m

using (x₁, y₁ ) = (- 2, 7) and (x₂, y₂ ) = (3, 5) ← 2 points on the line

m = \(\frac{5-7}{3+2}\) = - \(\frac{2}{5}\)

For line n

using (x₁, x₂ ) = (- 5, 0) and (x₂, y₂ ) = (0, - 2) ← 2 points on the line

m = \(\frac{-2-0}{0+5}\) = - \(\frac{2}{5}\)

For line p

using (x₁, y₁ ) = (6, 15) and (x₂, y₂ ) = (10, 5) ← 2 points on the line

m = \(\frac{5-15}{10-6}\) = \(\frac{-10}{4}\) = - \(\frac{5}{2}\)

For line q

using (x₁, y₁ ) = (6, 15) and (x₂, y₂ ) = (0, 0) ← 2 points on the line

m = \(\frac{0-15}{0-6}\) = \(\frac{-15}{-6}\) = \(\frac{5}{3}\)

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

Checking the list

m ≠ parallel to q ( slopes are not equal )

q ≠ perpendicular to n ( product of slopes ≠ - 1 )

n ≠ parallel to q ( slopes are not equal )

p ≠ perpendicular to m ( product of slopes ≠ - 1 )

m is parallel to n ( slopes are equal )

p ≠ perpendicular to q ( product of slopes ≠ - 1 )

Thus m is parallel to n ← only one from list

Effect size is a measure of the strength of the relationship between two variables. It does not indicate whether one variable causes another. The amount of variance in a set of scores is measured by the variance.

Whether an obtained research finding is valid is determined by statistical significance. Effect size is a quantitative measure of the magnitude of the experimental effect.

It is a way of quantifying the strength of the relationship between two variables. Effect sizes are typically reported on a standardized scale, such as Cohen's d or r.

Effect size does not indicate whether one variable causes another. Causation can only be inferred from a well-designed experiment that controls for confounding variables.

Effect size can be used to assess the strength of the relationship between two variables, but it cannot be used to determine whether one variable causes another.

The amount of variance in a set of scores is measured by the variance. Variance is a measure of how spread out the scores are in a set.

A high variance indicates that the scores are spread out over a wide range, while a low variance indicates that the scores are clustered together.

Whether an obtained research finding is valid is determined by statistical significance. Statistical significance is a measure of how likely it is that the observed results could have occurred by chance. A statistically significant result means that the observed results are unlikely to have occurred by chance alone.

Effect size, variance, and statistical significance are all important concepts in statistics. Effect size measures the strength of the relationship between two variables,

variance measures the spread of scores in a set, and statistical significance measures the likelihood that the observed results could have occurred by chance.

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Answer:

A-$4,900

Step-by-step explanation:

Answer:

The answer is A. $4,900

Step-by-step explanation:

$196 in commissions  => a = 196

s = a / 0.04 = 196 / 0.04 = $4900 = Ann's sales

so the answer for Ann's sales is $4,900

The monthly interest rate you will be paying is approximately $2,583.33, and (b) the alternative loan is less attractive than the one from the car dealer, with the lender needing to charge an interest rate of approximately 2.31% to match the car dealer's rate.

(a) Calculation of the interest rate you will be paying every month:

Given:

The car will cost = $150,000

Amount to be paid upfront = 40%

Interest rate per annum = 2%

Loan tenure (no of years) = 5 years

Loan tenure (no of months) = 5 x 12 = 60 months

Using the formula to calculate the interest rate you will be paying every month:

Interest Rate = (Loan amount x interest rate per annum x Loan tenure (no of years) + loan amount) / Loan tenure (no of months)

Substituting the given values in the formula:

Interest Rate = (150000 x 2 x 5 / 100 + 150000) / 60

Interest Rate = (15000 + 150000) / 60

Interest Rate ≈ $2,583.33

Therefore, the interest rate that you will be paying every month is approximately $2,583.33.

(b) (i) You are able to secure financing for your car from another source. You will have to pay 3% per annum on this loan. The lender requires you to pay monthly for 5 years. Is this loan more attractive than the one from the car dealer?

Given:

Interest rate per annum = 3%

Loan tenure (no of years) = 5 years

Loan tenure (no of months) = 5 x 12 = 60 months

Using the formula to calculate the interest rate you will be paying every month:

Interest Rate = (Loan amount x interest rate per annum x Loan tenure (no of years) + loan amount) / Loan tenure (no of months)

Substituting the given values in the formula:

Interest Rate = (150000 x 3 x 5 / 100 + 150000) / 60

Interest Rate = (22500 + 150000) / 60

Interest Rate ≈ $2,916.67

The monthly payment amount is higher than the car dealer's, so this loan is not more attractive than the one from the car dealer.

(ii) Suppose the lender requires you to set aside $10,000 as security to be deposited with the lender until the loan matures and repayment is made. What interest rate must the lender charge for it to be equivalent to the interest rate charged by the car dealer?

Let x be the interest rate that the lender must charge.

Using the formula of compound interest, we can find the interest charged by the lender as follows:

150000(1 + x/12)^(60) - 10000 = 150000(1 + 0.02/12)^(60)

150000(1 + x/12)^(60) = 150000(1.0016667)^(60) + 10000

(1 + x/12)^(60) = (1.0016667)^(60) + 10000/150000

(1 + x/12)^(60) = (1.0016667)^(60) + 0.066667

Taking the natural logarithm on both sides:

60(x/12) = ln[(1.0016667)^(60) + 0.066667]

x ≈ 2.31%

Thus, the lender must charge approximately a 2.31% interest rate to be equivalent to the interest rate charged by the car dealer.

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Saving account is an example of a demand account.

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Answer:

B; 125

Step-by-step explanation:

45% of 500 is 225. 20% of 500 is 100

225 - 100 = 125

Hope this helps :)

Answer:

B)125

Step-by-step explanation:

i'm just guessing since i don't know the answer. I hope it's right

Answer:

8 pints

Step-by-step explanation:

A pint is 16 ounces = 2 cups

8 pints is then 16 cups

Answer:

y=x-5

Step-by-step explanation:

First, you find the slope by -2-(-5)/3-0. This would be 3/3 which is equal to 1. Then you plug in the x with any point you want. I'm going to use (3,-2). The equation should look like -2=3+y. Now we find what is y. Therefore for this equation to be true. Y is equal to -5. Now put it all together. Y=x-5. You can use the other point to check my answer!  Hope that helps!!