7. Choose all the expressions that are equal
to 1.25 10.
0 12.5-
12.5 ÷ 10²
0.125 100
O 1,250 104
0 12.5 ÷ 1
125 - 1,000

The following equations are equivalent:

2 + x = 5

x + 1 = 4

Negative 5 + x = negative 2

This is because, in each equation, x is the same variable, and it has the same value on both sides of the equation.

In the first equation, x is equal to 3.

In the second equation, x is equal to 3

In the third equation, x is equal to -3

Note that the equation 9 + x = 6 and x + (negative 4) = 7 are not equivalent as these equations have different values for x.

The markup, expressed as a percentage of the cost, is the difference between the selling price and the product's cost.Markup on selling price is 27 %.

The markup, expressed as a percentage of the cost, is the difference between the selling price and the product's cost.The gross profit of a unit is determined by subtracting its cost to produce or acquire for resale from its sales price to determine the markup percentage.

Below, you'll find various possible formats for the markup formula or equation.

The selling price given as = $ 15

The cost per CD is = $ 11

The total profit = Selling price - Cost

Total profit per CD = $ 15 - $ 11

Total profit per CD = $ 4

The markup on selling price is calculated as - Total profit ÷ Selling price × 100

Markup on selling price = $ 4 ÷ $ 15 × 100 =26.6666 % or 27 %.

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On solving the provided question, we can say that - by prime factorization the factors of 5 are 5 and 1

A number that divides another number by itself with no residual is known as a factor. In other words, if multiplying two whole numbers results in the creation of a product, the numbers we are multiplying are factors of the product since the product is divisible by them. Division and multiplication are the two ways to discover factors. A number or other mathematical object is factorized or factored in mathematics by expressing it as the product of numerous factors, often smaller or simpler things of the same sort. One factorization of the polynomial x2 - 4 is 3 5, which is also a factorization of the number 15.

The factors of 5 are -

5and 1

as 5 = 5 X 1

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The domain of the function is x ∈ [ -3, -∞) and range is {-3, -2, 1}.

The set of allowable inputs, or all the x-values in the (x, y) points decided by the relation, is known as the domain of a relation (and, by extension, a function). All the y-values in the (x, y) points determined by the relation make up the range of a relation (and, by extension, a function).

Graphs can be used as a second method to define the domain and range of functions. A graph's domain is the entire set of input values represented on the x-axis because the term "domain" refers to the set of potential input values. The possible output values are displayed on the y-axis and make up the range.

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Ann should have switched the inequality symbol to not include 16 as a possible choice. The correct answer would be an option (C).

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

As per the question, we have been given that Ed's birthday is less than 16 days

away and that Ann writes the inequality

d ≤ 16, where d equals the number of days, to represent this.

Thus, He should have switched the inequality symbol to not include 16 as a possible choice.

Hence, the correct answer would be an option (C).

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The solution for the given decimal multiplication is 0.025.

To multiply two decimal numbers, first multiply the values without the decimal points.

The digits in the factors that follow the decimal point should now be added together.

Following that, the dot should be placed in the product so that it has the same number of digits as the total number of factors.

If there are more decimal places than digits in the number, place zeroes immediately after the dot.

If there are more decimal places present compared to digits in the product, fill the decimal places with zeroes immediately after the dot.

For the given question, multiply -5 * -5 = 25

Now the total digits after the decimal point in factors are 3.

But there are only 2 digits in 25.

So fill the decimal place with a zero.

Therefore the product of given decimal numbers is 0.025.

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Y-intercept linear 12 shows that the total cost will be $12.00 when the taxi travels 0 miles.

the connection between two variables that, when plotted on the coordinate plane, forms a straight line. The term "linear expression" refers to both the linear equation and the expression that depicts a linear relationship.

(2, 15), (5, 19.50), (7, 22.50), and (10, 27) are the coordinates (15, 34.50)

We will obtain a straight line if we plot the points on the XY coordinate system. The line crosses the Y axis at 12.00, as can be seen. As a result, the y-intercept is 12.00, and its coordinate is (0,12)

The y-intercept in this case is 12, which indicates that the total cost will be $12.00 even if the taxi travels 0 miles.

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Answer:

D. 10/3x^2+3x

Step-by-step explanation:

The product of the two rational expressions is:

(2/x+1) * (5/3x)

Multiply the numerator of the first fraction by the numerator of the second fraction and the denominator of the first fraction by the denominator of the second fraction:

(2*5) / (x+1) * (3x)

Which simplifies to:

10 / (x^2 + x)

So the correct answer is:

D. 10/3x^2+3x

The number of days until Stephen and John are on the same page would be 6 days

The page they would be on would be 64 pages

Assuming that the number of days can be denoted as x, the equation for the number of pages that Stephen has read in total is:

= 22 + 7 x

The number of pages that John has read in total is:

= 10 + 9 x

To find the number of pages, equate these:

22 + 7 x = 10 + 9x

22 - 10 = 9x - 7 x

12 = 2 x

x = 12 / 2

x = 6 days

The page they would be on is:

= 10 + 9 x

= 10 + 9 ( 6 )

= 64 pages

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The equation in slope-intercept form of the line that passes through the point (0, -4) and has a slope of 5 is y = 5x - 4.

The form of a line's slope intercept is one of the most common ways to represent a line's equation. The slope intercept formula can be utilized to find a line's equation given its slope and y-intercept for a straight line ( the y-coordinate of the point where the line intersects the y-axis). For a line to exist, every point along the line must be satisfied by its equation. This straight line equation, which is represented as, can be resolved in a number of ways.

1. Slope-intercept form

2. Two-point form

3. Intercept form

4. Point slope form

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Answer:

10c-4+11d Welcome :D

Step-by-step explanation:

Answer:

96

Step-by-step explanation:

Therefore , the solution to the given problem of triangle comes out to be x =20 degree and y = 20 degree.

In a plane, any three points can be joined to form triangles, that have 3 components and three angles. They were among the first geometrical forms to be investigated. Because each polygon, regardless of its number of sides (four, five, six, or n), may be divided into a triangle, they are especially significant.

Here,

Given : 140 degree

Since it is a scalar triangle

two sides will have equal angle,

Thus ,

x=y

=> x+ x + 140 =180

=> 2x = 180-140

=> 2x =40

=> x =20

Therefore , the solution to the given problem of triangle comes out to be

x =20 degree and y = 20 degree.

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Answer:

13009 is the best answer for this question

The regular price of each pair of shoe is 36.75 dollars.

Gwen buys 3 identical pairs of shoes at store A. She pays $110.25 after the discount.

The regular price of the each pair of shoe can be calculated as follows:

Therefore,

3 pairs of shoe = 110.25 dollars

1 pair of shoe = ?

cross multiply

Therefore,

regular price of a pair of shoe = 110.25 / 3

regular price of a pair of shoe = 36.75

Therefore, the regular price is  36.75 dollars.

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The total volume of the toy is 497.4192cm³ with 340.3392 cm³ being the volume of the top solid and 157.08 cm³ being the volume of the bottom solid.

Volume is the quantity of space a thing occupies, whereas capacity is a measure of the substance it can store, such as a solid, a liquid, or a gas.

While capacity can be measured in virtually any other unit, such as liters, gallons, pounds, etc., volume is measured in cubic units.

So, the volume of the cone:

V = πr²h/3

Now, invert values:
V = π5²*13/3

V = 340.3392 cm³

The similar, volume of a cylinder:

πr²h

Now, insert values as follows:

πr²h

π5²2

V = 157.08 cm³

Total volume: 340.3392 cm³+157.08 cm³ = 497.4192cm³

Therefore, the total volume of the toy is 497.4192cm³ with 340.3392 cm³ being the volume of the top solid and 157.08 cm³ being the volume of the bottom solid.

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Answer:

0.73%

Step-by-step explanation:

First of all subtract the 2 values

9.62 − 9.55 = 0.07

then use this value and find the percentage from the original price which was 9.71 so 0.07/9.55  x 100

percentage increase is

0.73%

The likelihood of randomly selecting a chocolate chip cookie from the batch would be likely. That is option A

Probability is defined as the possibility of an outcome of an event which may likely or unlikely occur.

The batch contains the following content:

The chocolate chip makes up 68% of the batch and this shows a higher quantity than other content. Therefore, likelihood of randomly selecting a chocolate chip cookie from the batch would be likely.

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y = (-4/11)x + 5.27 is the equation that passes through each pair of points (9,2) (-2,6).

A group of numbers and variables without an equal sign are known as a numerical expression. A set of numbers and variables with an equal sign is referred to as an equation.

Once you are familiar with these terms, you will realise that an equation is just two expressions joined by an equal sign. You can also write expressions, equations, and simplify equations.

To find an equation of the line that passes through each pair of points (9,2) (-2,6) we need to find slope and convert it to y-intercept form

Slope formula = y - y₁ = m(x - x₁)

Putting the values in the formula we get

2 - 6 = m(9 - (-2))

-4 = m(11)

m = -4/11

As we have found slope, we can find the slope intercept form i.e.

y - 2 = -4/11(x -9)

y = (-4/11)x + 3.27 + 2

y =  (-4/11)x + 5.27

Thus, y = (-4/11)x + 5.27 is the equation that passes through each pair of points (9,2) (-2,6)

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Answer:

m∠B = 83°

EF = 10

Step-by-step explanation:

Two triangles are similar if their corresponding angles are the same size.

Therefore if ΔABC ~ ΔDEF then:

Interior angles of a triangle sum to 180°:

⇒ m∠A + m∠B + m∠C = 180°

⇒ 24° + m∠B + 73° = 180°

⇒ m∠B + 97° = 180°

⇒ m∠B = 83°

In similar triangles, corresponding sides are always in the same ratio.

Therefore if ΔABC ~ ΔDEF then:

⇒ AB : DE = BC : EF = CA : FD

⇒ 12 : DE = 8 : EF = 16 : 20

Therefore, to find the length of EF:

[tex]\implies \sf 8 : EF = 16 : 20[/tex]

[tex]\implies \sf \dfrac{8}{EF} = \dfrac{16}{20}[/tex]

[tex]\implies \sf 8 \cdot 20= 16 \cdot EF[/tex]

[tex]\implies \sf160= 16 \cdot EF[/tex]

[tex]\implies \sf EF=\dfrac{160}{16}[/tex]

[tex]\implies \sf EF=10[/tex]

Answer:

Step-by-step explanation:

Final answer: Lily received 10 postcards from Thailand.

Explanation: Number of postcards=50

Percentage of postcards from thailand= 16

Number of postcards from Thailand= 16/100*50= 8

Now, he received some postcards from Thailand. Let the number of postcards received from Thailand be x. Therefore,

Number of postcards=50+x

Number of postcards from Thailand= 8+x

We know that the percentage of postcards from Thailand now is 30.

Therefore,

30=(8+x/50+x)*100

0.3(50+x)=8+x

15+0.3x=8+x

0.7x=7

x=10

Therefore, he received 10 postcards from Thailand.

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How many 5-card hands are possible with a 52-card deck?

Answer:

Only 10, there will still be 2 cards left though.

Step-by-step explanation:

You're welcome.

S_ = a/(1 - r), where a denotes the first term and r denotes the common ratio, is the formula for calculating the sum of an infinite geometric progression.

4 / 2 = 8 / 4 = 16 / 8 = 32 / 16 = 2.

Similarly,

1/2 / 1 = 1/4 / 1/2 = 1/8 / 1/4 = 1/16 / 1/8 = 1/2

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The ratio for 5 / 15 based on the information is 1:3. The value of x is 1.

Ratio in Mathematics simply demonstrates how many times one number can be able to fit into another number. It should be noted that ratios contrast two numbers by dividing them. In this case, A/B will be the formula if one is comparing one variable (A) to another variable (B).

This simply indicates that you're dividing the variable A by B. Let us say for instance, the ratio will be 3/10 if A is 3 and B is 10.

The ratio for 5 / 15 will be:

= 5 / 15

= 1 / 3

= 1:3

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By applying pythagorean theorem and perimeter formula, The answer is D 9+[tex]\sqrt{2}[/tex] +[tex]\sqrt{5}[/tex]

The Pythagorean theorem is a fundamental result in mathematics named after the ancient Greek mathematician Pythagoras. It states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.

Perimeter is a measure of the distance around the outside of a two-dimensional shape. It is the sum of the lengths of all the sides of the shape. The formula for perimeter depends on the shape. For example, the perimeter of a rectangle is twice the sum of its length and width, while the perimeter of a circle is equal to its circumference.

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Ticket #1  ║  Ticket #2  ║  Ticket #3  ║  Ticket #4  ║  Ticket #5

  $150               $300             $450              $600              $750

Step-by-step explanation:

The table shows tickets #1-5, but if you want to go up to tickets #6 and #7, then Ticket #6 would be $900, and Ticket #7 would be $1,050. Due to each ticket being equivalent to $150, you get your answer by adding 150 for each ticket or multiplying 150 × 7.

Therefore , the solution of the given problem of congruent comes out to be in this case we have two side equal and one side common so it is sss

Two figures are said to be "congruent" if they can be positioned perfectly over one another. Both of the bread slices are the same size and shape when stacked one on top of the other. Congruent refers to things that are exactly the same size and shape.

SSS definitions. an autonomous government organization responsible for overseeing military conscription. Selective Service and Selective Service System are synonyms. independent agency kind. a federal agency that was established by a congressional act and is unrelated to the executive departments.

In this case we have two side equal and one side common so it is sss

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Two hospitals for the town's residents represents a tragedy of the commons. Hence, option B is correct.

The phrase "tragedy of the commons" describes a situation in which people who have access to a shared resource, also known as a common, act selfishly and ultimately deplete the resource. British author William Forster Lloyd initially conceived of this economic theory in 1833.

The Tragedy of the Commons, first proposed in 1968 by American ecologist Garret Hardin, is a scenario in which common environmental resources are overused, abused, and eventually exhausted, bringing risks to all parties concerned.

Thus, option B is correct.

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Answer:

4,700,000 can be written as 4.7 × 10⁶ in scientific notation

For Example:

Here,

1200 can also be written as

12 × 100

we know that, 100 = 10²

so,

12 × 10²

Remember

1.2 × 10³