How do you solve complex fractions and unit rates?.

The credit utilisation ratio to the nearest percentage is found as 17%.

Steps:

For the stated question:

Balance = $180 + $230 = $410.

credit limits = $1500 + $1000 = $2500.

Credit utilisation ratio = Balance / credit limits

Credit utilisation ratio = 410 / 2500 * 100 = 16.4%

Thus, the credit utilisation ratio to the nearest percentage is found as 17%.

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You have to distribute it. To do this, multiply x^2 to (7x^2-5x-5) and do the same to 9 times (7x^2-5x-5). Add like variables. The attached image is your answer.

I hope this was able to help you :D

Yes , the graphing calculator can be used as a scientific calculator.

As given in the question,

Scientific calculator can not be used as a graphing calculator.

But graphing calculator can be used as a scientific calculator.

Therefore, yes the graphing calculator can be used in place of scientific calculator.

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The total amount of money which Trevor's family spend, in total, on shower water in the past month is equal to $86.4.

Based on the information provided about the house Trevor's family lives in, we have the following important parameters;

Next, we would calculate the total volume of water that is used to shower by six (6) persons as follows;

Total volume of water for 6 persons = 72 × 6

Total volume of water for 6 persons = 432 liters.

Furthermore, the total amount of money that was spent on shower water by Trevor's family in the previous month is given by;

Total amount of money = total volume of water used for shower × cost per liter of water

Total amount of money = 432 × 0.2

Total amount of money = $86.4.

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Answer:

(3x + 1)(x + 7)

Step-by-step explanation:

3x² + 22x + 7 =

3x² must factor into 3x and x.

= (3x +    )(x +     )

7 factors into 7 and 1. We can place 7 and 1, or 1 and 7.

= (3x + 7)(x + 1)

or

= (3x + 1)(x + 7)

Now we multiply both possibilities out to see which one produces the middle term 22x that we need.

= (3x + 7)(x + 1) = 3x² + 10x + 7     No what we need

or

= (3x + 1)(x + 7) = 3x² + 2x + 7      Exactly what we need

Answer: (3x + 1)(x + 7)

The number of commercials in which Avery's songs were played is 5.

The number of movies in which Avery's songs were played is 5.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 3 = 9 is an equation.

We have,

The number of times the song played in commercials = x

The number of times the song played in a movie = y

Now,

Avery will earn $40 every time one of her songs is played in a commercial and earn $140 every time one of her songs is played in a movie.

We can make two equations.

x + y = 7 ____(1)

x = 7 - y _____(2)

40x + 140y = 480 _____(3)

Substituting (2) in (3) we get,

40(7 - y) + 140y = 480

280 - 40y + 140y = 480

100y = 480 - 280

100y = 200

y = 2

Now,

x = 7 - 2

x = 5

Thus,'

The number of commercials and the number of movies in which Avery's songs were played are 5 and 2.

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Yes, 3 * ( 5 - 2 ) = ( 3 * 5 ) - ( 3 * 2 ) is an example of distributive law.

The distributive property is also known as the distributive law of multiplication over addition and subtraction. The name itself implies that the operation involves dividing or distributing something. The distributive law applies to addition and subtraction. The formula for the distributive property is expressed as:

Over addition : a( b + c ) = ab + ac

and subtraction : a( b - c) = ab - ac

Example: Solve the expression 7(20 + 3)

Multiplication of 7(20) and 7(3) is done before addition. This leads to 7(20) + 7(3) = 140 + 21 = 161.We have, an expression 3×(5 - 2) =(3 × 5 ) - (3× 2 ).

Consider the left hand side, 3×(5 - 2)

=> 3× 5 - 3× 2 = 15 - 6 = 9

Now, the right hand side, (3 × 5 ) - (3× 2 ) => 15 - 6 = 9 = LHS

Hence, it is an example of distributive law.

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Complete question:

Is 3 * ( 5 - 2 ) = ( 3 * 5 ) - ( 3 * 2 ) an example of distributive law *?.

The value of X will be 96 [tex]ft^{2}[/tex].

From the question, we can conclude that the shape is Triangle.

What is Triangle?

A triangle is a polygon with three vertices and three sides. The angles of the triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total.

Hence we will use the formula of the area of a triangle.

Area of Triangle = bh/2.

In question, it's given that our Base is 12 ft and our Height is 16 ft.

Area = (12*16)/2

Area = 96 [tex]ft^{2}[/tex]

Therefore our value of area i.e. X will be 96 [tex]ft^{2}[/tex].

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Answer:

[tex]8^{9}[/tex]

Step-by-step explanation:

[tex]8^{5}[/tex] x [tex]8^{4}[/tex]

In expanded form this would be

8·8·8·8·8·8·8·8·8

The product of power principle tells us that when we are multiplying powers with the same bases, we add the exponents.

The next operation that should be done when evaluating this expression is -12

The rules that specify the order in which we should perform several operations to solve an expression are known as the order of operations. Parentheses, Exponents, Multiplication, Division (from left to right), Addition, and Subtraction are the sequence in which the operations are performed (from left to right).

The next operation that should be done when evaluating this expression is

9-12+6/-3+3(-3)

Addition or Subtraction (from left to right)

9-12=-5

Multiplication or Division (from left to right)

6 /-3 = -2

-5 + -2+3(-3) = -12

The next operation that should be done when evaluating this expression is -12

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Answer:

$700

Step-by-step explanation:

1. We see the original price is $1,000.

2. Change 30% to a decimal

3. 30/100=0.30

4. Multiply the original cost of the item(mattress) by the percentage.

5. 0.3×1,000=300

6. $300 is the amount discounted.

7. For final price with discount: Take its original price($1,000) and subtract the discount from the original price

8. $1,000-$300=$700

Answer:

$300

Step-by-step explanation:

To find the first term can be calculated an = a1 + d(n - 1).

The difference between every two successive terms in a sequence is the same; this is known as an arithmetic progression (AP). It is possible to obtain a formula for the nth term of the AP using this kind of development. A good example of an arithmetic progression (AP) is the series 2, 6, 10, 14,..., which follows a pattern in which each number is created by adding 4 to the previous term. The nth term in this series equals 4n-2. You may get the terms of the series by changing the nth term to n=1,2,3,... i.e.,

first term = 4n-2 = 4 when n = 1 (1)

-2 = 4-2=2

Second term for n = 2 is 4n-2 = 4. (2)

-2 = 8-2=6

When n is 3, the third term is 4n-2 (3)

-2 = 12-2=10

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Answer:

the answer is option A

Step-by-step explanation:

Distance between two points

/XY/ = √((X2-X1)²+(Y2-Y1)²)

Therefore

/XY/= √((7-(-5)²+(15-4)²)

Answer:

First a farl we should know,

Distance (d) = √(x2-x1)^2+ (y2-y1)^2

x(-5,4) = (x1, y1)

y(7,15) = (x2, y2)

Now,

Distance (d) = √(x2-x1) + (y2-y1)

Ans = √(7-5)^2 + (15-4)^2

Answred by : - ||Ziddiboy||

The density is 12.5 grams per cubic centimeter and 80 grams per cubic centimeter.

What is the density?

Density is a measure of how much mass is contained in a given volume. It is defined as the ratio of mass to volume and is typically measured in units of grams per cubic centimeter (g/cm^3) or kilograms per liter (kg/L).

The mass is 500 grams and the volume is 40 cubic centimeters, therefore the density is:

density = mass / volume = 500 grams / 40 cubic centimeters = 12.5 grams per cubic centimeter

The mass is 125 grams and the volume is v cubic centimeters. To find the value of v, you can use the equation:

density = mass / volume = 125 grams / v cubic centimeters

so v = mass / density = 125 grams / 12.5 grams per cubic centimeter = 10 cubic centimeters

The volume is 1.4 cubic centimeters and the density is 80 grams per cubic centimeter. To find the mass you can use the equation:

mass = density x volume = 80 grams per cubic centimeter x 1.4 cubic centimeters = 112 grams

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To plot more equivalent ratios on the coordinate plane, move up one and right one and half.

Equivalent ratios are the ratios that are the same when we compare them. Two or more ratios can be compared with each other to check whether they are equivalent or not.

Given that, Three equivalent ratios are shown on the graph. On a coordinate plane, points (1, 0.5), (2, 1), and (5, 2.5) are plotted.

As we see, the x-coordinates are 1, 2, 5 and y-coordinates are 0.5, 1, 2.5

We see that, x-coordinates are increasing by 1, and y-coordinates are increasing by a half,

Therefore, to plot more equivalent coordinates, we will move up 1 on y-axis and a half right on x-axis,

Hence, to plot more equivalent ratios on the coordinate plane, move up one and right one and half.

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The assertion that both zeros of the quadratic polynomial x² - 2kx +2 in magnitude but opposite in sign then value of k is 1/2 is false.

The standard definition of a quadratic function is given as follows:

y = ax² + bx + c.

The sum of the roots of a quadratic function is given as follows:

S = -b/a.

The equation in this problem is given as follows:

x² - 2kx +2

Hence the parameters are:

a = 1, b = -2k.

If the roots are equal in magnitude but the opposite sign, the sum of the roots is of:

0.

Hence:

-b/a = 0.

b = 0.

Meaning that the value of k is obtained as follows:

-2k = 0.

k = 0.

And the statement is false.

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The product of 2x2x2 is 8.

A product is the outcome of multiplication in mathematics, or an expression that specifies the factors (numbers or variables) to be multiplied. For instance, the sum of 6 and 5 is 30. (the result of multiplication).

So 2x2x2 = 4x2= 8

Integers, natural numbers, fractions, real numbers, complex numbers, and quaternions are examples of typical special instances where it is possible to define the product of two numbers or the multiplication of two numbers.

In linear algebra, there are numerous different types of products. Some of them have names that sound confusingly close but have very distinct meanings (outside product, external product), while others have names that sound completely different but basically imply the same thing (outer product, tensor product, Kronecker product). These are briefly discussed in the sections that follow.

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An angle has a length of 166.7°. The extra degree at 166.7 is 13.3

Given,

The measure of an angle is 166.7°.

The supplement of 166.7 degrees is 180 - 166.7  = 13.3

Therefore the answer is 13.3°

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The inverse of the logarithmic function f(x) = [tex]\log_{e}x[/tex] is [tex]e^{x}[/tex].

In the given question, we have to find the inverse of the logarithmic function f(x) = [tex]\log_{e}x[/tex].

The given function is f(x) = [tex]\log_{e}x[/tex].

The features of logarithms will simply follow from our understanding of exponents if the logarithm is viewed as the inverse of the exponential function.

Now let, y = [tex]\log_{e}x[/tex]

Now x = log y

Then, y = [tex]e^{x}[/tex]

So, f(x) = [tex]e^{x}[/tex]

As a result, [tex]e^{x}[/tex] is the logarithmic function's inverse, where f(x) = [tex]\log_{e}x[/tex].

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The complete question is:

What is the inverse of the logarithmic function f(x) = [tex]\log_{e}x[/tex]?

Raul's distance from Main street decreases in the interval,

0 ≤ t ≤ 0.75. And Raul walks 6 miles to get to school.

The length of the line segment bridging two points on a plane is known as the distance between the points.

The formula to find the distance between the two points is usually given by d=√{(x₂-x₁)² + (y₂-y₁)²}.

Given:

Raul crosses Main Street when he walks home from school.

The graph of the function d(t)=4I(t-0.75)I shows Raul's distance, in miles, from Main Street after t hours.

The domain of the function is 0 ≤ x ≤ 1.5.

The graph shows his entire trip.

From the graph;

Raul's distance from Main street decreases in the interval,

0 ≤ t ≤ 0.75.

And to get to school,

Raul walks,

distance = (distance when t = 1.5) - (distance when t = 0)

Distance = (4 x 0.75) - (4 x -0.75)

Distance = 3 -(-3)

Raul walks = 6 miles.

Therefore, Raul walks 6 miles to get to school.

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The complete question is given on the attached image,

The 1/10 gradient means  6 degrees is the angle of 1 in 10 slopes.

The gradient is the inclination of a line. The gradient is often referred to as the slope (m) of the line. The gradient or slope of a line inclined at an angle θ is equal to the tangent of the angle θ.

In geometry, 1 in 10 means for every ten units of horizontal distance crosses there is 1 unit of vertical drop or rise. The angle of tan is used to measure this value of the slope. Let x be the angle to be used for tan.

[tex]tanx=\frac{horixontal distance}{vertical distance}[/tex]

[tex]tanx= \frac{1}{10}=0.1[/tex]

[tex]x=tan^{-1}(0.1)\\x=5.71'[/tex]

By rounding to the nearest digit, the degree value will be 6.

Hence, 6 degrees is the angle of 1 in 10 slopes.

Hence, the 1/10 gradient means  6 degrees is the angle of 1 in 10 slopes.

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When the coin is tossed and then dice is rolled, the possible outcomes are 12.

For the stated question.

Sample space for tossing coin. { H, T}.

Sample space for rolling dice. { 1, 2, 3, 4, 5, 6 }

Then,

Total sample = { H1, H2, H3,H4, H5, H6, T1, T2, T3, T4, T5, T6}

Thus, the total possible outcomes for tossing coin and rolling dice is 12.

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The amount he earned last week in commission is $994.

The commission he earned in 2011 is $51,688

The commission earned is a fraction of the total sales of stocks.

Commission earned = amount of sales x percentage commission

14% x $7,100

= 14/100 x $7,100

= 0.14 x $7,100

= $994

Amount she earned in commission in a year = number of weeks in a year x commission earned per week

= $994 x 52 = $51,688

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Answer:50.00

Step-by-step explanation:

First you need to find what 15% of 39.62 is 5.94 or 6 so you would add 6 to 39.62 and get 34.62 then you round it all and get 35 and it is closer to 50 than 40.

Answer:

The answer is c which is=5605

Answer:

C.

Step-by-step explanation:

Since there's no sequence of numbers, we assume that the number that lies between 5,595 and 5,610 is the mean of the 2 numbers.

However, if we calculate its mean, we can have 5,602.5 and it doesn't appear on any options. Thus, we will choose the nearest value from those options.

The Number which is more than 99 is 100.

Number:

Numbers are mathematical objects used for counting, measuring, and labeling. The original example is the natural numbers 1, 2, 3, 4, etc. [1] Numbers can be linguistically represented by numerals. More generally, individual numbers can be represented by symbols called digits. For example, "5" is the number representing the number five. Since only a relatively small number of symbols can be remembered, basic numbers are usually organized into number systems, which are systematic ways of representing each number. The most common number system is the Hindu-Arabic number system, which can represent any number using combinations of 10 basic numeral symbols called digits.

Greater than Number:

Greater than or equal to in mathematics is an inequality used to compare two or more numbers, quantities, or values. Used when one quantity or number is greater than or greater than the second or remaining quantity or number. This indicates that one value is greater than or greater than or greater than the other. The above symbol is ">". This is also called greater than.  For example, Bella has a red pencil that is 5 cm long and a blue pencil that is 3 cm long.

According to the Question:

1 more than 99 is:

adding 1 +99 = 100.

Therefore,

1 more than 99 is 100.

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Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

Answer in attached photo.

Step-by-step explanation:

Steps are in the attached photo, this question is testing on the concept of Similar Triangles.

Formula:

[tex]\frac{Shorter \ Length \ of \ line \ segment \ A}{Longer \ Length \ of \ line \ segment \ A} = \frac{Shorter \ Length \ of \ line \ segment \ B}{Longer \ Length \ of \ line \ segment \ B}[/tex]

Answer:

see attachement

Step-by-step explanation: