Rectangle A has length 12 and width 8. Rectangle B has length 15 and width 10. Rectangle C has length 30 and width 15.

Is Rectangle A a scaled copy of Rectangle B


Select one:
Yes
No

Answer:

2.5

Step-by-step explanation:

Its too simple to explain soz

Answer:

2.5 :)

Step-by-step explanation:

Therefore, Caleb paid approximately $14,067.90 for the shares.

Let's assume the amount Caleb paid for the shares is represented by the variable "x". According to the given information, his selling price was 130% of the amount he paid.

Selling price = 130% of the amount paid

$18,189.27 = 1.3 * x

To find the amount he paid for the shares, we can solve the equation for "x" by dividing both sides by 1.3:

x = $18,189.27 / 1.3

Calculating this, we find:

x ≈ $14,067.90

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Let \(n=0\). Then \(0^3 = 0\) but 0 > 0 is a false statement.

Answer:

The letter C represents as an unknown number or it can just stand for a word that starts with a C in a word problem. Answer: C= 0.01

Step-by-step explanation:

Hope i helped! :)

An independent basic service set (IBSS) does not consist of any access points.

In an IBSS, devices such as laptops or smartphones connect with each other on a peer-to-peer basis, forming a temporary network. This type of network can be useful in situations where there is no existing infrastructure or when devices need to communicate with each other directly.

Since an IBSS does not involve any access points, it is not limited by the number of access points. Instead, the number of devices that can be part of an IBSS depends on the capabilities of the devices themselves and the network protocols being used.

To summarize, an IBSS does not consist of any access points. Instead, it is a network configuration where wireless devices communicate directly with each other. The number of devices that can be part of an IBSS depends on the capabilities of the devices and the network protocols being used.

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Answer:

0.63 or 63/100

Step-by-step explanation:

Answer:

  75 mph

Step-by-step explanation:

In this kind of problem, "per" means "divided by". To find miles per hour, compute miles divided by hours:

  (60 mi)/(4/5 h) = (60×5/4) mi/h = 75 mi/h

Nellie is going 75 miles per hour.

Answer: A

Step-by-step explanation:

Answer:

A

Just do it Step By Step

The student covers a total distance of 22.05 kilometers in a week's time, walking between the park and the house each day.

To find the total distance covered by the student in a week's time, we need to calculate the distance covered in one round trip (from the house to the park and back) and then multiply it by the number of round trips in a week.

Given that the difference between the park and house is 1 kilometer and 575 meters, we can convert it to a total distance of 1.575 kilometers.

In a round trip, the student covers twice the distance between the park and the house, which is 1.575 kilometers * 2 = 3.15 kilometers.

Now, we need to determine how many round trips the student makes in a week. Let's assume the student makes one round trip each day.

Since there are 7 days in a week, the total distance covered by the student in a week's time is 3.15 kilometers * 7 = 22.05 kilometers.

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Answer:

Step-by-step explanation:

(a) and (b) see diagram

(c) you can see from the graph, the purple line hits the parabola twice which is y=6   or k=6

(d)  Solving simultaneously can mean to set equal

6x - x² = k                        >subtract k from both sides

6x - x² - k = 0                  >put in standard form

- x² + 6x - k = 0               >divide both sides by a -1

x² - 6x + k = 0

(e) The new equation is the same as the original equation just flipped (see image)

(f)  The discriminant is the part of the quadratic equation that is under the root. (not sure if they wanted the discriminant of new equation or orginal.  I chose new)

discriminant formula = b² - 4ac

equation:   x² - 6x + 6 = 0            a = 1      b=-6    c = 6

discriminant = b² - 4ac

discriminant= (-6)² - 4(1)(6)

discriminant = 36-24

discriminant = 12

Because the discriminant is positive, if you put it back in to the quadratic equation, you will get 2 real solutions.

Answer:

42.64 mph

Step-by-step explanation:

5 1/3/7 1/2 = m/60

see attached for the work

The length of the stake needs to be from the middle of her tent will be 6.9 feet. Then the correct option is C.

What is a right-angle triangle?

It is a type of triangle in which one angle is 90 degrees and it follows the Pythagoras theorem and we can use the trigonometry function. The Pythagoras is the sum of the square of two sides is equal to the square of the longest side.

A camper attaches a rope from the top of her tent, 4 feet above the ground, to give it more support. If the rope is 8 feet long.

Then the length of the stake needs to be from the middle of her tent will be

We have

P = 4 ft

H = 8 ft

Then the base is given by the Pythagoras theorem.

B² = H² - P²

B² = 8² - 4²

B² = 64 - 16

B² = 48

B = 6.9 ft

ether 12 or 4 feet.

























sorry if i didnt help

\(\frac{(x+3)^2}{x-5} \div \frac{x^2 - 9}{x^2 - 8x +15} \\ = \frac{x^2 + 9}{x-5} \div \frac{x^2 - 9}{x^2 - 8x +15} \\ = \frac{x + 9}{-5} \div \frac{-9}{-8x + 15} \\ = \frac{x}{-5} \div \frac{-1}{-8x + 15} \\ = - \frac{x(8x-15)}{5}\)

Note : You only need to substitute, divide and eliminate the numbers to simplify.

Hope it helps.

Subject : Mathematics

Class : 9th Grade

Chapter : -

Categorization Code : -

Keywords : Substitution, Algebra.

Answer:

\( \frac{x + 3}{x - 5} \)

Step-by-step explanation:

The first order of business is to get the denominator the same on both fractions. To do this change the 2nd terms denominator into intercept form. See below.

\( {x}^{2} - 8x + 15 = (x - 5)(x - 3)\)

Do this for the numerator on the 2nd term also.

\( {x}^{2} - 9 = (x - 3)(x + 3)\)

Now we can exclude the (x-3) from both the numerator and denominator of the second term. Now we have the equation below.

\( \frac{(x + 3 {)}^{2} }{x - 5} \div \frac{ x + 3}{x - 5} \)

Now the denominators are the same. Now we need to exclude x+3 from both numerators. Notice that in the firt term, you do not exclude both x+3, only 1.

\( \frac{x + 3}{x - 5} \)

There is your answer

Answer:

Step-by-step explanation:

To write an estimate of the length of the Nile River, we can round the number 21,832,800 to the nearest power of ten. The nearest power of ten to 21,832,800 is 10,000,000, which is 107 in scientific notation.

To convert 21,832,800 to scientific notation, we move the decimal point seven places to the left to get 2.18328, and then multiply it by 107 to get:

2.18328 x 107

Rounding this to a single digit times an integer power of ten gives:

2 x 107

Therefore, an estimate for the length of the Nile River, in feet, as a single digit times an integer power of ten, is 2 x 107 feet.

Answer:

102 degrees

Step-by-step explanation:

Since the total of all the angles inside a triangle must be 180 degrees, we can find out the value of x using a simple equation.

41+37+x = 180

78 + x + 180

x = 102

Answer:

j=16.85

s=8.95

Step-by-step explanation:

j=jeans s=shirt

3j+6s=104.25

4j+5s=112.15

working:

3j+6s=104.25 dollars

4j+5s=112.15 dollars

(get j to be the same)

12j+24s=417 dollars

12j+15s=336.45 dollars

(subtract them)

9s=80.55 dollars

s=8.95 dollars

(substitute in)

(3 x j)+(6x8.95)=104.25 dollars

3 x j= 104.25-(6x8.95)

j=50.55/3 (50.55 divided by 3)

j=16.85 dollars

substitute in to double check

(3 x 16.85) + (6 x 8.95) = 104.25 dollars

check with the other equation and it works also, so that must be the values of j and s (jeans and shirt)

(4 x 16.85) + (5 x 8.95)=112.15 dollars

j=16.85

s=8.95

The nth term of the pattern is (n²-1)

To find the nth term identify the patterns in a given sequence and use algebraic expressions to generalize the pattern and find the nth term.

By observing the given series we say that each number is one less than perfect Like 8 is one less than 9, 15 is one less than 16, etc. Use this condition to solve the problem.

Here we have

0, 3, 8, 15...    

To find the nth terms identify the patterns in a given sequence

Here each term can be written as follows

1st term => 0 = (1)² - 1 = 0

2nd term => 3 = (2)² - 1 = 3

3rd term => 8 = (3)² - 1 = 8

4th term => 15 = (4)² - 1 = 15

Similarly

nth term = (n)² - 1 = (n²-1)

Therefore,

The nth term of the pattern is (n²-1)

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Only option B: (3, -2) is not a solution to this inequality out of the available answer options. This is due to the fact that this point's y-coordinate is smaller than -1/12, which defies the inequality y > -1/12.

We can use the steps listed below to solve the inequality -2-12y -1:

To both sides, add 2. -12y < 1

Divide the two sides by -12, remembering to invert the inequality sign when doing so: y > -1/12

Since y > -1/12, or any value greater than -1/12, is the answer to the inequality, y can have any value.

Because they all have y values of more than -1/12, options A, C, and D are all viable solutions to the inequality. All y values larger than -1/12 are included in option A, (-3,4); all y values between -1/12 and 3 are included in option C, (-1,3); and all y values between -1/12 and 1 are included in option D, (0,1).

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Answer:

7/3

Step-by-step explanation:

6- 13 = -7

0-3 = -3

7/3

Answer:

The answer is D

Please correct me if I am wrong

Step-by-step explanation:

80000/0.00004 = 2000000000 (2*10^9)

The stem-and-leaf display of the data is

Stem | Leaves

1 | 2

2 | 2

3 | 3

4 | 5, 8

To start, let's assume we have a set of data values, such as 12, 22, 33, 45, 48, 53, 61, 62, 72, 83, 91, 96, 99.

The stem-and-leaf display consists of two parts: the "stem" and the "leaf." The stem represents the leading digit(s) of the data values, and the leaf represents the trailing digit(s). For example, the number 12 has a stem of 1 and a leaf of 2.

Now, let's organize the data values into their corresponding stems:

Stem 1: 12

Stem 2: 22

Stem 3: 33

Stem 4: 45, 48

Next, we list the leaves corresponding to each stem. The leaves are listed in ascending order next to their respective stems:

Stem 1: 2

Stem 2: 2

Stem 3: 3

Stem 4: 5, 8

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Answer:

254.34 in²

Step-by-step explanation:

Area of circle = \(\pi r^2\)

d = 18 inches, so r = d/2 = 9 inches

Area = 3.14 * 9 * 9

= 254.34 in²

The second derivative of v with respect to t, denoted as d²v/dt², is equal to 4

The second derivative of v with respect to t, we will differentiate v twice.

v = 2t² + 7t + 11

First, let's find the first derivative of v with respect to t (dv/dt):

dv/dt = d/dt (2t² + 7t + 11)

Using the power rule of differentiation, we differentiate each term separately:

dv/dt = 2(2t) + 7(1) + 0

dv/dt = 4t + 7

Now, let's find the second derivative of v with respect to t (d²v/dt²):

d²v/dt² = d/dt (4t + 7)

Again, using the power rule of differentiation, we differentiate each term separately:

d²v/dt² = 4(1) + 0

d²v/dt² = 4

Therefore, the second derivative of v with respect to t, denoted as d²v/dt², is equal to 4.

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Answer:

20%

Step-by-step explanation:

Percentage completed

=) 120,000,000÷150,000,000×100

= 80

Therefore 80% has been completed

Remaining

100% - 80%

= 20%

So 20% is yet to be completed

There is only 1 power of 7 contained in 10.

Students use powers of numbers to solve this problem and learn what is occurring to the numbers as a result.

Students also learn how to divide a seemingly vast and challenging equation into smaller, more accessible components. The pupils should understand that raising 7 to a power only produces a finite number of unit digits. Furthermore, as the power of 7 rises, these particular numbers "circle round." 7, 9, 3, and 1 make up this cycle.

The digit in the tens place is the same.

The total number of times we multiply a number is known as its exponent or power. For instance, 2 to the power 3 denotes a 3x3 multiplication of 2.

The largest power of 7 that is less than 10 is 7^1 = 7, therefore there is only 1 power of 7 contained in 10.

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There is only 1 power of 7 contained in 10.

Students use powers of numbers to solve this problem and learn what is occurring to the numbers as a result.

Students also learn how to divide a seemingly vast and challenging equation into smaller, more accessible components. The pupils should understand that raising 7 to a power only produces a finite number of unit digits. Furthermore, as the power of 7 rises, these particular numbers "circle round." 7, 9, 3, and 1 make up this cycle.

The digit in the tens place is the same.

The total number of times we multiply a number is known as its exponent or power. For instance, 2 to the power 3 denotes a 3x3 multiplication of 2.

The largest power of 7 that is less than 10 is 7^1 = 7, therefore there is only 1 power of 7 contained in 10.

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Because the temperature is greater, the relative humidity of the atmosphere is higher.

Water vapor is also measured by relative humidity (RH), which is stated as a percentage but RELATIVE to the air's temperature. In plenty of other terms, it is a comparison between the quantity of water vapor that is really present in the air and the maximum amount water vapor that is possible for the air at the current temperature.

By deducting the temperature just on wet-bulb thermometer from of the temperature just on dry-bulb thermometers and utilizing a relative humidity chart, one may determine the relative humidity.

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Answer: 29152332 ≡ 0 (mod 3)

Step-by-step explanation:

In modular arithmetic, there is the form a ≡ b (mod m) where b is the remainder.

To solve this problem, we want to divide 29152332 by 3 and find the remainder.

29152332 ÷ 3 = 9717444

Since we get an integer with no remainder, we know the answer is 29152332 ≡ 0 (mod 3).

Answer:

B

Step-by-step explanation:

Answer:

the answer is B most likely

Answer:

\(\dfrac{2}{3}.\)

Step-by-step explanation:

It is given that a box contains 2 dozen pairs of contact lenses ,of which 8 pairs are tinted.

1 dozen = 12 units

Total pairs of contact lenses \(=2\times 12 = 24\)

Tinted pairs of contact lenses = 8

Pairs of contact lenses not tinted = 24 - 8 = 16

If a pair of contact lenses is drawn at random from the box, then we need to find the probability that it is not tinted.

\(P(\text{Not tinted})=\dfrac{\text{Pairs of contact lenses not tinted}}{\text{Total pairs of contact lenses}}\)

\(P(\text{Not tinted})=\dfrac{16}{24}\)

\(P(\text{Not tinted})=\dfrac{2}{3}\)

Therefore, the required probability is \(\dfrac{2}{3}.\)