WILL GIVE BRAINLIEST!!! If [tex]\frac{a}{b} =2[/tex] what is the value of [tex]\frac{a}{a-b}[/tex]?


Could the answer be D) or is it C)?


A) -2

B) 1

C) 2

D) It cannot be determined from the given information

Answer: D

Step-by-step explanation:

If you have a grade of 54.96 and you take a summative test worth 80%, it would bring up your grade by the following calculation:

New grade = (54.96) + (80/100) * (100 - 54.96)

New grade = 54.96 + (0.8) * (45.04)

New grade = 54.96 + 36.032

New grade = 90.992

So, your new grade would be 90.992

It's worth noting that this calculation assumes that the summative test is worth 80% of your overall grade, and that your previous grade was 54.96 out of 100. If this isn't the case, the result will be different.

The perimeter of a rectangle is given by the formula P = 2(L + W), where P is the perimeter, L is the length, and W is the width.

We know that the perimeter of the parking lot is 354 m, and the width of the parking lot is 83 m. We can use this information to find the length of the parking lot.

Substituting the known values into the formula, we get:

354 = 2(L + 83)

Simplifying the equation:

354 = 2L + 166

Subtracting 166 from both sides:

188 = 2L

Dividing both sides by 2:

L = 94

The length of the parking lot is 94 m.

Answer:

Step-by-step explanation:

Formula for perimeter = (2 * length) + (2* width) = Perimeter

2l + (83 * 2) = 354

2l + 166 = 354

2l = 354 - 166

2l = 188

l = 188/2

l = 94 m

Answer: D - 14

Step-by-step explanation:

1 gallon = 2.15

So to find how many gallons is worth 30.10, divide by 2.15

30.10 ÷ 2.15 = 14

Answer:

Step-by-step explanation:

To find the required gallons of gas for 30.10$, you can use the following formula:

Required gallons of gas=Cost of required gallons of gas/cost of one gallon of gas

Here given that, the cost of required gallons of gas is 30.10$ and the cost of one gallon of gas is 2.15$

Now apply the formula:

Required gallons of gas = 30.10$/2.15$ = 14

Therefore, the required gallons of gas = 14

So 14 gallons of gas costs 30.10$

Option D is the correct answer.

An inequality to determine at what times the car will be ahead of the truck is; 63x > 55x + 30

The graph of the inequality is attached and the solution is (3.75, 236.25).

We are told that;

x represent the number of hours that the car and truck travel

The truck is traveling at an average rate of 55 mph. Thus, the expression 55x represents the distance the truck travels in x hours.

The car is traveling at a rate of 63 mph. Thus, the expression 63x represents the distance the car travels in x hours.

In the beginning, the truck was 30 miles ahead of the car. So, we need to solve the inequality:

63x > 55x + 30

Use technology to graph y = 63x and y = 55x + 30 gives us;

The intersection point is (3.75, 236.25)

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Answer:

$1688.40

Step-by-step explanation:

1% of 1608 = 16.08

16.08 (5) = 80.40

1608+ 80.40= 1688.40

Answer:

Step-by-step explanation:

m

2

+

2

m

+

1

2

Check that the middle term is two times the product of the numbers being squared in the first term and third term.

2

m

=

2

⋅

m

⋅

1

Rewrite the polynomial.

m

2

+

2

⋅

m

⋅

1

+

1

2

Factor using the perfect square trinomial rule

a

2

+

2

a

b

+

b

2

=

(

a

+

b

)

2

, where

a

=

m

and

b

=

1

.

(

m

+

1

)

2

Evelyn’s enlarged photo will not retain the same proportions as the original one.

Proportion is a mathematical comparison between two numbers.  According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other. Proportions are denoted using the symbol  "::" or "=".

Given,

Length of the original photograph L = 5''

Width of the original photograph W = 7''

Ratio between length and width of original photograph

L/W = 5/7

Length of the enlarged photograph L' = 16''

Width of the enlarged photograph W' = 20''

Ratio between length and width of enlarged photograph

L'/W' = 16/20 = 4/5

Comparing both ratios

L/W = L'/W'

5/7 ≠ 4/5

so, proportion is not same.

Hence, proportion of the enlarged photo is not same as the original photo.

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The length of measurement would be in a scale drawing of 180 m is 24 cm.

A scale factor is defined as the ratio between the scale of a given original object and a new object, which is its representation but of a different size (bigger or smaller).

The basic formula to find the scale factor of a figure is expressed as,

Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape.

Given that, the scale is 2 cm = 15 m.

So, 1 m =2/15

A scale drawing of 180 m

Now, 180 m = 2/15 ×180

= 2×12

= 24 cm

Therefore, the length of measurement would be in a scale drawing of 180 m is 24 cm.

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The degree of the given polynomial is 5.

A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables.

Given is a polynomial, 4x²y³-2x²+7y-8

We know that, A polynomial of two variable x and y, like ax^ry^s is the algebraic sum of several terms of the prior mentioned form, where r and s are possible integers.

Here, the degree of the polynomial is r+s where r and s are whole numbers.

Therefore, in the given polynomial, the degree will be

4x²y³

Taking the powers,

2+3 = 5

Hence, the degree is 5

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Answer:

x=2

Step-by-step explanation:

x+11=6x+1

10=5x

x=2

MNOP is a rhombus then, the length of the segment MP = 49 unit.

One kind of parallelogram is the rhombus, which has four sides and four vertices.

The length of each side is the same as the length of the opposing angle.

Given:

A rhombus is given in the attached image.

In rhombus,

every side is equal in length.

That means,

the parallel sides are equal.

9x - 77 = 3x + 7

6x = 84

x = 14

So,  3(14) + 7 = 42 + 7 unit

That means, the side in rhombus = 49 unit.

Therefore, MP = 49 unit.

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The complete question is given in the attached image.

Janice donated 20 pants and 80 t-shirts of clothing to the Salvation Army.

A straight line on the coordinate plane is represented by a linear function. As an illustration, the equation y = 3x – 2 depicts a linear function because it is a straight line in the coordinate plane.

Any function whose graph is not a straight line is said to be nonlinear. Any curve other than a straight line can be a graph of it.

An example of a non-linear function is a quadratic function.

Given, Janice donates 100 items of clothing to the Salvation Army and the number of t-shirts were 4 times the number of pants.

Therefore, If the number of pants is 'x' then the number of t-shirts are '4x'.

So, x + 4x = 100.

5x = 100.

x = 20.

So, The number of pants are 20 and the number of t-shirts are 80.

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Answer:

D

Step-by-step explanation:

all around of side are 360 degree that's why only pentagon has 360 degree

Answer:

1540$!$($9$

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Marcella would need to sell at least 40 office machines each month to earn at least $4,000.

To find the least number of office machines Marcella would need to sell each month to earn at least $4,000, we need to know the price of each office machine and the commission she receives for each sale.

We can use following formula:

Rearranging this formula to solve for the number of machines sold, we get:

Plugging in the values we know:

Number of Machines Sold = 4000 / (1000 x 0.1)

Number of Machines Sold = 4000 / 100

Number of Machines Sold = 40

Therefore, Marcella would need to sell at least 40 office machines each month to earn at least $4,000.

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Answer: The constant of proportionality is 12.

Step-by-step explanation: You can start by dividing 36 by 3 60 divided by 5 then 72 divided by 6 and then 84 divided by 7. All of the division problems have an answer of 12. So the constant of proportionality is 12.

Because there is a 16% chance of getting that many babies born female if the method had no effect, the method has no statistical significance. Hence couples would likely use a procedure that raises the likelihood of a baby born female from the approximately 50% rate expected by chance to the 51.13% produced by this method.

This means that the method has practical significance.

Depends on if the p-value is less or more than the significance level:

The p-value for this problem is given as follows:

0.16.

As the p-value is greater than the standard significance level of 0.05, the method has no statistical significance.

The percentage of females born is given as follows:

1066/2085 x 100% = 51.13%.

As this percentage is an increase from the usual 50%, the method has practical significance.

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The graph demonstrates the relationship, and it indicates that the machine can produce 1200 soda bottles every minute.

The unitary technique is sometimes useful for multiplying and dividing by fractions because it makes sense immediately and can be done mentally if the numbers add up. This makes it a good method for defending or explaining frequently employed written fractional algorithms, like division by a fraction. The unitary technique has a formula that involves finding the value of a single unit, multiplying it by the quantity of units, and then finding the desired value.

given

y=20x

The total number of bottles produced in the specified amount of time, expressed in seconds, is represented by y.

When x=1 and y=20, the machine can produce 20 soda bottles each second.

There are 60 seconds in a minute, thus when x=60, y=20*60 equals 1200 drink bottles.

The graph demonstrates the relationship, and it indicates that the machine can produce 1200 soda bottles every minute.

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The number of bears, b is 300 for the company has to sell in one day to equal its daily cost.

A relation by which we can compare two or more mathematical expression is called an inequality.

Given that;

A toy company spends $1800 per day for factory expenses plus $9 to make each teddy bear.

And, They sell the teddy bears for $15 a piece.

Let number of bears for the company has to sell in one day to equal its daily cost = b

Hence, We can formulate the inequality as;

⇒ 15b = 9b + 1800

Solve for b;

⇒ 15b - 9b = 1800

⇒ 6b = 1800

⇒ b = 300

Thus, There are 300 teddy bears has to sell in one day.

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Answer:

A mary go round I'm sorry I am middle school

Without the specific function it is not possible to give you the exact solution and also without knowing the specific limits of the integral, it is not possible to evaluate the definite integral.

The solid in the figure is a rectangular prism with a cutout, the cutout is a cylinder with radius 2. The volume of the solid can be found by using a double integral.

The first integral represents the volume of the rectangular prism, and the second integral represents the volume of the cylinder cut out of it. The limits of the double integral are determined by the dimensions of the rectangular prism and the cylinder.

The volume of the rectangular prism = (x-coordinate max - x-coordinate min) * (y-coordinate max - y-coordinate min) * (z-coordinate max - z-coordinate min)

The volume of the cylinder = ∫∫[2<= [tex]\sqrt{x^{2} + y^{2} }[/tex] <= 2.5] dA

The limits of the double integral are determined by the dimensions of the rectangular prism and the cylinder

The x-coordinate min is 0, x-coordinate max is 4, y-coordinate min is 0, y-coordinate max is 6, z-coordinate min is 0, and z-coordinate max is 6.

The volume of the solid

= (4 - 0) * (6 - 0) * (6 - 0) - ∫∫[2<= [tex]\sqrt{x^{2} + y^{2} }[/tex] <=2.5] dA

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So on solving the provided question, we can say that n the graphs we have A at origin; B at origin; C in 3rd quadrant; D in the 2nd quadrant

Mathematicians use graphs to logically convey facts or values using visual representations or charts. A graph point will typically reflect a relationship between two or more things. Nodes, or vertices, and edges make form a graph, a non-linear data structure. Glue together the nodes, often referred to as vertices. This graph has vertices V=1, 2, 3, 5, and edges E=1, 2, 1, 3, 2, 4, and (2.5), (3.5). (4.5). Statistical charts (bar charts, pie charts, line charts, etc.) graphical representations of exponential growth. a logarithmic graph in the shape of a triangle

here in the graphs we have

A at origin

B at origin

C in 3rd quadrant

D in the 2nd quadrant

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Six Flags:

1,473/3 = 491 people per hour.

Hershey Park:

944/2 = 472 people per hour.

Six Flags has more people in the first hour. Six Flags has 19 more people than Hershey Park.

491>472

I hope this helps you!!

Following is the area model of 27 x 7 = 189.

An area model is a rectangular graphic used in mathematics to multiply and divide two numbers or expressions.

The length and breadth of the rectangle are determined by the factors, also known as the quotient and divisor. In other words, you can divide a large area (in this case, a 23 37 rectangle) into smaller ones, calculate the areas of each separately, and then sum them to determine the overall area.

Write the enlarged form of each factor first. Next, sketch your model. To determine the area of each smaller rectangle, multiply next. To find the entire area, add those items last.

            20                  7

7           140                 49

27 × 7 = 140 + 49 = 189

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Therefore , the solution of the given problem of triangle comes out to be a=6 and b=17.

An triangle is a polygon since it has four or more parts. It is a simple geometric shape. A square having angles A, B, and C is referred to as a triangle ABC. When the sides are not collinear, Euclidean geometry generates a single plane and square. If a triangle has three sides and three corners, it is a polygon. The corners of a triangle are where its three sides meet. The sum of the angles in a triangle is 180 degrees.

Here,

Given : A right triangle ,

=> 8²+a²= 10²

=> a² = 100 -64

=>  a² =36

=> a =6

For b,

=> b²  = 8² + 15²

=> b²  = 64 + 225

=> b² = 289

=> b = 17

Therefore , the solution of the given problem of triangle comes out to be a=6 and b=17.

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Answer: $77

Step-by-step explanation:

Using the given expression, we can find the total cost for all the tickets.

The question asks for the cost of 3 adults and 4 children.

Let's substitute the values for the variables(again).

We'll get

15*3+8*4(since there's 3 adults and 4 children)

= 45+32

= 77

Total: $77

Nice airpods, btw

Answer:

A) 14

Step-by-step explanation:

When a small is gear connected to a larger gear, the smaller gear makes more revolutions than the larger gear. Use the ratio of the numbers of teeth to find the ratio of the numbers of revolution.

1 gear has 9 teeth

1 gear has 27 teeth

27/9 = 3

The ratio is 3:1.

The small gear makes 3 revolutions for each revolutuion of the large gear.

The large gear makes 1/3 revolution for each revolution of the small gear.

Here, the small gear makes 42 revolutions.

42/3 = 14

The large gear makes 14 revolutions.

Answer: A) 14

The larger gear has made 14 revolutions when the smaller gear has made 42 revolutions. This is because the ratio of the teeth on the gears is 1:3, which is also the ratio of their revolutions.

The ratio of the number of teeth on the two gears is also the ratio of the number of rotations they make. In this case, the smaller gear has 9 teeth and the larger gear has 27 teeth. So, the ratio is 9:27, which simplifies to 1:3.

This means that for every one rotation of the larger gear, the smaller gear will make three rotations.

Since the smaller gear has made 42 rotations, to figure out the number of rotations the larger gear has made, you would divide 42 by 3. (because of the 1:3 ratio). The answer is 14.

Therefore, the larger gear has made 14 revolutions when the smaller gear has made 42 revolutions. So, the correct answer is A) 14.

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Answer:

  29°

Step-by-step explanation:

In given parallelogram LMNQ, you want the measure of angle LMQ when angle MQN is given as 29°.

Angles LMQ and MQN are alternate interior angles where transversal MQ crosses parallel lines LM and NQ. As such, they are congruent.

  m∠LMQ = 29°

Therefore , the solution of slope intercept comes out to be X intercept for the function is x = - 1

In math, the intersection is where the line's slope intersects the y-axis. a point on a line or curve where the y-axis crosses. The formula for the linear line is given as Y = mx+c, whereby m denotes the slope и c the y-intercept. In the intercept form of the equation, the line's slope (m) and y-intercept (b) are highlighted. The slope and y-intercept of an equation with the intercepting form (y=mx+b) are m and b, respectively. There are several equations that can be rewritten to appear to be slope detections. The slope and como are both modified to 1 if y=x is translated as y=1x+0, for example.

Here,

It is the point where a line or curve crosses the X axis

The function f(x) = x³ + x² - 6x = c

Let, y = f(x) = x³ + x²- 6x -c =0

at the X intercept, y = 0,

so, 0 = x³+ x²- 6x -6

x²(x +1) - 6(x +1) =0

(x +1) ( x²-6) = 0

x = -1, x = √6

X intercept is x = -1

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