Can somebody help with Grade7math ? It’s like about dividing integers...

Answer: 107.50

Step-by-step explanation:

RCV is more expensive compared to ACV, therefore, Shawn would have to pay more to insure his belongings with RCV coverage.

As Shawn rents an apartment in an all-brick building located in a historic, downtown neighborhood and the value of the belongings in the apartment is about $25,000, he will have to pay around $125 to $375 per year to insure his belongings while renting depending on the type of coverage he chooses.

A renter’s insurance policy can protect the belongings of renters who live in an apartment or house they rent and covers their liability towards others in case they get injured. For this reason, the cost of renter’s insurance will vary depending on the type of coverage needed. If Shawn wants more coverage, then he will pay a higher rate. There are two types of coverage which include actual cash value (ACV) and replacement cost value (RCV).

ACV is a coverage that pays for the value of the belongings, minus the depreciation. Whereas, RCV is a coverage that pays for the cost of replacing the belongings, regardless of their current value.  

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Using the master theorem, the Θ-class are: a) T(n) = Θ(n)b) T(n) = Θ(n) and c) T(n) = Θ(√n log n).

a) T(n)=2T(n/2)+n³

To find the Θ class of T(n), we need to apply the Master Theorem. In the Master Theorem, if T(n) = aT(n/b) + f(n) where a >= 1, b > 1, and f(n) is an asymptotically positive function, then:

T(n) = Θ(nᵈ)

where d = logₐ(b).

Here a = 2, b = 2 and f(n) = n³.

So, d = log₂(2)

= 1T(n)

= Θ(nᵈ)

= Θ(n¹)

= Θ(n)

Therefore, the Θ class of T(n) is Θ(n).

b) T(n)=2T(n/2)+3n−2

Similarly to part (a), we can find the Θ class of T(n) by using the Master Theorem.

In this case, a = 2, b = 2 and f(n) = 3n - 2.

Here, d = log₂(2)

= 1T(n)

= Θ(nᵈ)

= Θ(n¹)

= Θ(n)

Therefore, the Θ class of T(n) is Θ(n).

c) T(n)=4T(n/2)+nlogn

For this recurrence relation, a = 4, b = 2 and f(n) = nlogn.

In this case, d = log₄(2) = 0.5.

So,

T(n) is

= Θ(nᵈ)

= Θ(n⁰.⁵)

= Θ(√n log n)

Therefore, the Θ class of T(n) is Θ(√n log n).

Hence, the correct options are:a) T(n) = Θ(n)b) T(n) = Θ(n)c) T(n) = Θ(√n log n).

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Answer:

Not completely sure if this is correct but I got

a: 12

b: 24sqrt2

h: 8sqrt2

Step-by-step explanation:

Answer:

40cm²

Step-by-step explanation:

A=b×h

A=10cm×4cm

A=4O²/40cm²

Answer:

Kindly check explanation

Step-by-step explanation:

Given that:

Equation of regression line : y^ = 60.7 + 0.139x

x = payroll (in millions of dollars) and y = number of wins for Major League Baseball teams in 2016.

From the general regression equation:

y = mx + c

Where m = slope of regression line.

The slope (m) of the equation given is 0.139

The slope could be interpreted as ; for every per unit change in y (every win a major league baseball team has in 2016), the payroll in million dollar increases by a product of 0.139

The slope of a regression line is the average rate of change of the line.

The interpretation of the slope is: the rate of wins per payroll is 13.9%

From the question, we have:

\(\mathbf{\bar y= 60.7 + 0.139x}\)

The equation of a linear regression is:

\(\mathbf{\bar y= c + mx}\)

Where m represents the slope

So, by comparison:

\(\mathbf{m = 0.139}\)

\(\mathbf{m = 13.9\%}\)

This means that, the rate of wins per payroll is 13.9%

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Answer:

x * 3 + 13 ≤ 7

Step-by-step explanation:

three times a number

x * 3

13 more than that

x * 3 + 13

less than or equal to 7

x * 3 + 13 ≤ 7

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Answer:

10.07 meters

Step-by-step explanation:

We are given that the angle of elevation is 40° and the boy is 12 meters from the building.

This means that in order to figure out the height of the building, we must use the tangent function which states that \(tan(\theta)=\frac{opposite}{adjacent}\).

The opposite side in this case is the height of the building in relation to the angle and the adjacent side is the distance the boy is away from the building.

Therefore, we can find the height of the building by plugging in our known information and solving for the opposite side:

\(tan(\theta)=\frac{opposite}{adjacent}\)

\(tan(40^\circ)=\frac{x}{12}\)

\(12tan(40^\circ)=x\)

\(x=12tan(40^\circ)\)

\(x\approx10.07\)

Therefore, the height of the building is approximately 10.07 meters.

The best way to visually display the results of a survey questionnaire on marital status is through a bar graph. So, correct option is A.

A bar graph is an effective and commonly used visualization tool for displaying categorical data, such as different marital statuses. It presents the data in a visual format where each category is represented by a separate bar, and the height or length of the bar corresponds to the frequency or proportion of responses in that category.

In the case of marital status, the categories can include options like "married," "single," "divorced," "widowed," etc. The bar graph allows for a clear comparison between the different categories and easily identifies the most common or least common marital statuses based on the heights of the bars.

On the other hand, options like a bell curve (b), histogram (c), or scatterplot (d) are more suitable for visualizing continuous or numerical data rather than categorical data like marital status. These types of graphs are better suited for displaying data distributions, relationships between variables, or frequency distributions of continuous variables.

So, correct option is A.

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The ratio of a/b is equal to the magnitude of vector a→.

To find the ratio of a/b, use the given information about the vectors a→, b→, and c→.

Given:

c→ = a→ × b→ (cross product of vectors a→ and b→)

c→ is perpendicular to b→

|c→| = 3b (magnitude of c→ is 3 times the magnitude of b)

Since c→ is perpendicular to b→, their dot product is zero:

c→ · b→ = 0

Let's break down the components and solve for the ratio a/b.

Let a = |a| (magnitude of vector a→)

Let b = |b| (magnitude of vector b→)

The dot product of c→ and b→ can be written as:

c→ · b→ = (a→ × b→) · b→ = a→ · (b→ × b→) = 0

Using the properties of the dot product, we have:

0 = a→ · (b→ × b→) = a→ · 0 = 0

Since the dot product is zero, it implies that either a→ = 0 or b→ = 0.

If a→ = 0, then a = 0. In this case, the ratio a/b is undefined because it would be divided by zero.

Therefore, a→ ≠ 0, and then;

using the given magnitude relationship:

|c→| = 3b

Since c→ = a→ × b→, the magnitude of the cross product can be written as:

|c→| = |a→ × b→| = |a→| × |b→| × sinθ

where θ is the angle between vectors a→ and b→. Leading to:

|a→ × b→| = |a→| × |b→| × sinθ = 3b

Dividing both sides by |b→|:

|a→| × sinθ = 3

Dividing both sides by |a→|:

sinθ = 3 / |a→|

Since 0 ≤ θ ≤ π (0 to 180 degrees), it is concluded that sinθ ≤ 1. Therefore:

3 / |a→| ≤ 1

Simplifying:

|a→| ≥ 3

Now, let's consider the ratio a/b.

Dividing both sides of the original magnitude relationship |c→| = 3b by b:

|c→| / b = 3

Since |c→| = |a→ × b→| = |a→| × |b→| × sinθ, and already it has been established that |a→| × sinθ = 3, so, substitute that value:

|a→| × |b→| × sinθ / b = 3

Since sinθ = 3 / |a→|, then substitute that value as well:

|a→| × |b→| × (3 / |a→|) / b = 3

Simplifying:

|b→| = b = 1

Therefore, the ratio of a/b is:

a / b = |a→| / |b→| = |a→| / 1 = |a→|

In conclusion, the ratio of a/b is equal to the magnitude of vector a→.

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Answer:

AC= AB+BC

= 6x-7+ 5x-3

= 11x-10

Answer:

many, many answers

Step-by-step explanation:

as we know an avarage is the number in between all given values. so it can be 6.5 and 7.5, 6 and 8 5 and 9, 4 and 10 and so on

Answer:

x= 8/5 . or 1.6 in decimal form or 1 and 3/5 in a mixed number .

Step-by-step explanation:

Answer:

12.25pi

Step-by-step explanation:

area of ciricle: pi* r^2

the radius can be found by divding the diameter in half so, 3.5

now square 3.5 and multiply with pi

so, 12.25pi

~lmk if you got Qs

Answer:

No

Step-by-step explanation:

no

Answer:

It is (x - 2y)/xy

Step-by-step explanation:

\( \frac{1}{y} - \frac{2}{x} \)

carry out LCM method:

LCM of y and x is xy

\( = \frac{x - 2y}{xy} \)

Answer:

I think The Options Are Wrong

Step-by-step explanation:

3 + (9-5)^2 × 8

3 + 4^2 × 8

3 + 16 × 8

3 + 128

131 ans

Answer: -2

Step-by-step explanation: I think I’m not sure

Answer:

the answer for this question is B

Answer:

x=9/4

If you want the steps I can add them for you.

Step-by-step explanation:

I believe this is correct, if not let me know and I'll fix it. I'm sorry in advance if it is incorrect.

Given data:

The given amount of equipment purchased by the Sandra is A=$1,200.

Answer:

x=100 degrees

Step-by-step explanation:

Answer:

x = 100 degrees

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

PEMDAS

Step-by-step explanation:

10+(10+(10-5)2)+6

=10+(10+5)2)+6

=10+(20+10)+6

=10+30+6

=46

Step-by-step explanation:

x+2y ≥ 4 => y ≥ -½x +4

-2x + y > -3 => y > 2x - 3

Answer:

Work out the equations of the lines first.

The solid line

The line is:

The dotted line

The line is:

The intercession zone is above of both of the lines, so the inequalities are:

Answer:  12yards - 36 feet

Step-by-step explanation:

To solve the equation 10x dy/dx - 2y = x-3, we will use the method of separation of variables, we get 5x ln(2y - x + 3) + (5/2) x^2 - (1/2) (2y - x + 3)^2 = x + C

This method involves rearranging the equation so that all terms involving x are on one side and all terms involving y are on the other side. Then, we can integrate both sides of the equation to find the general solution. Here are the steps:

Rearrange the equation to separate the variables:

10x dy/dx = 2y + x - 3

10x dy = (2y + x - 3) dx

Separate the variables:

10x dy = 2y dx + x dx - 3 dx

10x dy - 2y dx = x dx - 3 dx

(10x dy - 2y dx)/(2y - x + 3) = dx

Integrate both sides of the equation:

∫(10x dy - 2y dx)/(2y - x + 3) = ∫dx

Use the substitution method to solve the integral on the left side of the equation. Let u = 2y - x + 3, then du = 2 dy - dx:

∫(10x (du/2 + dx) - 2u du)/(u) = ∫dx

5x ∫du + 5 ∫x dx - ∫u du = ∫dx

5x ln(u) + (5/2) x^2 - (1/2) u^2 = x + C

Substitute back for u and simplify:

5x ln(2y - x + 3) + (5/2) x^2 - (1/2) (2y - x + 3)^2 = x + C

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Answer:

41.4 kgs

Step-by-step explanation:

Take the number of bags times the weight of each bag

6 * 6.9

41.4 kgs

Answer:

41.4 kilograms of sugar

Step-by-step explanation:

its 41.4 kilograms of sugar because you take the 6 bags and multiply that by the 6.9

Answer:

x = 5

Step-by-step explanation:

Given

\(\frac{20}{16}\) = \(\frac{x}{4}\) ( cross- multiply )

16x = 80 ( divide both sides by 16 )

x = 5

Answer:

Below in bold.

Step-by-step explanation:

You do not say if the interest is simple or compound.

Simple Interest: I = PRT/100

= (8600* 2.6 * 4)/ 100

= $894.40.

Compound Interest:- amount after 4 years

= 8600(1 + 0.026)^4

= $9529.89

So the compound interest

= 9529.89 - 8600

= $929.89.

Answer: -4 and 9

Step-by-step explanation:

I'm not sure if you mean ( \( \sqrt{x + 7} \) ) or ( \( \sqrt{x} + 7\) ) I solved it both ways .

\(f(x) = \sqrt{x + 7} \\ \\ f( \: g(x) \: ) = \sqrt{(8x - 11)+ 7} \\ = \sqrt{8x - 11 + 7} \\ = \sqrt{8x - 4} \\ = 2 \sqrt{2x - 1} \)

____o_____o______

\(f(x) = \sqrt{x} + 7 \\ \\ f( \: g(x) \: ) = \sqrt{(8x - 11)} + 7 \\ = \sqrt{8x - 11} + 7\\ \)

I hope I helped you^_^