all of them please i need help with it its hw

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The actual width of the entire building is 28 feet and the length of the entire building is 84 feet.

The value of x in the equation is 5. 25

Algebraic expressions are defined as expressions comprising of terms, variables, coefficients, factors, and constants.

They are also made up of mathematical operations such as addition, multiplication, division, bracket, etc

Given the expression;

x - 9.8 / -2.2 = 9.7

Find the quotient

x - (-4. 45) = 9. 7

expand the bracket

x + 4. 45 = 9. 7

collect like terms

x  = 9. 7 - 4. 45

Subtract like terms

x = 5. 25

Thus, the value of x in the equation is 5. 25

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The number of video games that Max will have left when he keeps one is 18 games.

It should be noted that the total amount that he has is $625.95.

Cost of each video game = $32.10

Therefore, the number of games that he can buy will be:

= Amount / Cost of game

= $625.95 / $32.10

= 19.5

= He can buy 19 games.

Therefore, if he keeps one, the number left will be:

= 19 - 1 = 18

He I'll have 18 left.

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Answer:

9. 5/10
12. 4/10
15. 1/2

Step-by-step explanation:

1/2 = 5/10 --> 10 ÷ 5 = 2 --> 5+5 = 10 || Basically half
4/10 = 40/100 --> Multiply 10 more
6/12 = 1/2 --> 6+6 = 12 || Half again

The value of k that makes the statement true is: k = -4.

If we are given an equation that has an unknown variable, to find the value of the variable, solve to isolate the variable. The value of the variable is what will make the equation a true statement.

Given the equation:

-k + 12 = 16

Subtract 12 from both sides

-k + 12 - 12 = 16 - 12 [subtraction property]

-k = 4

Divide both sides by -1

-k/-1 = 4/-1 [division property]

k = -4

Check: substitute k = -4 into the equation

-k + 12 = 16

-(-4) + 12 = 16

4 + 12 = 16

16 = 16 [true]

Therefore, the value of k that makes the statement true is: k = -4.

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Answer:

[tex]19^{z-y}[/tex]

Step-by-step explanation:

assuming you meant z > y

using the rule of exponents

[tex]\frac{a^{m} }{a^{n} }[/tex] = [tex]a^{m-n}[/tex] ( m > n ) , then

[tex]\frac{19^{z} }{19^{y} }[/tex] = [tex]19^{z-y}[/tex]

The reasons arranged in the order that correctly completes the two column table to prove that ‹2 and ‹3 are supplementary is as follows;

Supplementary angles are angles that have a sum of 180°.

The completed table is presented as follows;

Statements Reasons

1. ‹1 and ‹2 form a linear pair; Given(‹1 and ‹2 form a linear pair)

2. ‹1 and ‹2 are supplementary; Supplementary theorem

3. m‹1 and m‹2 = 180°; Definition of supplementary angles

4. ‹1 congruent ‹3;Given (‹1 and ‹3 are congruent)

5. m‹1 = m‹3; Definition of congruency

6. m‹3 + m‹2 = 180°; Substitution

7. ‹2 and ‹3 are supplementary; Definition of supplementary angles

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Answer:

0.

Step-by-step explanation:

None of the sides colored yellow (1, 3, 5) have an even number that corresponds.

The value of the side length n is 15 units.

According to the question we have been given that ΔABC ≈ ΔQRS

And we know that when two triangles are similar then their corresponding sides are proportional to each other that is

           [tex]\frac{AB}{QR} = \frac{BC}{RS} = \frac{AC}{QS}[/tex]          (1)

Now we need to find the value of n which is the length of RS

To find the value of n we will use the above equation (1), we get

  The values that we have been given are :

   AC = 2 ,  BC = 6  and   QS = 5 , RS = n

We use the proportion,

              [tex]\frac{BC}{RS} = \frac{AC}{QS}[/tex]

                [tex]\frac{6}{n} = \frac{2}{5}\\n = \frac{6}{2} * 5\\n = 15[/tex]

Hence the value of the side length n is 15 units.

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Answer:

[tex]d = 441[/tex]

Step-by-step explanation:

We know that [tex]d = 49t^2[/tex].

We also know that it takes 3 seconds to reach the bottom of the well, meaning that if we substituted [tex]t = 3s[/tex] in the formula, we'd get the height of the well.

[tex]d = 49 \times 3^2 \to 49 \times 9 \to 441[/tex]

  The proportion of the sample obtained from the survey is 0.055

 The percentage is a mathematical operation that is expressed with the symbol "%" is a relationship that allows us to know the portion of an initial value to represent a set.

  It could also be defined as a representation of an original value that lets us know a certain number of elements that we want from that original value or set.

 To solve this problem, we use a simple rule of three to find the percentage value of the sample.

289 -------- 100%

273 ---------  x

x = (273 * 100%) / 289

x = 94.46%

100% - 94.46% = 5.53%

The ratio in propotion with 3 decimals is

5.53/100  = 0.055

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The domain is all real numbers of x that makes the expression defined.

Set-builder notation: { x| x ≥ 0 }.

Interval notation: [0,∞).

Given the function in the question;

f(x) = 3√3x - 3

To determine the domain, we find where the expression is defined by setting the radicand √3x to be greater than or equal to zero and solve for x.

3x ≥ 0

Divide both sides by 3

3x ≥ 0

3x/3 ≥ 0/3

x ≥ 0/3

x ≥ 0

The domain is all real numbers of x that makes the expression defined.

Set-builder notation: { x| x ≥ 0 }.

Interval notation: [0,∞).

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Answer: Each person can get 12 cookies, or 12.2

Step-by-step explanation:

All you have to do is divide 61 by 5, your answer would 12 remainder 1, you would then divide 1 by 5 to get 0.2 . Add 12 and .2 to get your answer. The quotient would be 12 and the remainder 1.

According to the solving the line segment LM of line KM = 3.

A line segment is defined as the area between two different points on a line. A line segment is a section of a line that links two points. A line has no endpoints and stretches in both directions indefinitely, but a line segment includes two fixed or definite endpoints.

In general, if both end points of a line segment are vertices of such a polygon or polyhedron, the line segment has to be either the edge (of that polygon or polyhedron) if they are both adjacent vertices, or a diagonal. A chord is a line segment whose end points are both on a curve (such as a circle) (of that curve).

KL = 9

LM = x - 1

KM = -4 + 4x

So

KL + LM = KM

Substituting the value we get:

9 + x - 1 =  -4 + 4x

8 + x = -4 + 4x

8 + 4 = 4x - x

12 = 3x

x = 4

The value of x  = 4 putting the value in the (LM = x - 1):

We get:

LM = x - 1

LM = 4 - 1

     = 3

LM = 3

According to the solving the line segment LM of line KM = 3.

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Check the picture below.

[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{-3}~,~\stackrel{y_1}{1})\qquad B(\stackrel{x_2}{-1}~,~\stackrel{y_2}{-1})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ AB=\sqrt{(~~-1 - (-3)~~)^2 + (~~-1 - 1~~)^2} \implies AB=\sqrt{(-1 +3)^2 + (-1 -1)^2} \\\\\\ AB=\sqrt{( 2 )^2 + ( -2 )^2} \implies AB=\sqrt{ 4 + 4 } \implies AB=\sqrt{ 8 }\implies AB\approx 2.8[/tex]

Answer:

Your answer is 26.2 but there is also no solution.

Step-by-step explanation:

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the zeroes of the function f (x) = 2 x² + 8 x - 3 are x = - 2 ± √ 11 / 2.

We are given a function:

f (x) = 2 x² + 8 x - 3

We need to use the completing the square method to find the zeroes.

f (x) = 2 x² + 8 x - 3

f (x) =  x² + 4 x - 3 / 2

f (x) =  ( x )² + 2 (2) (x) + (2)² - (2)² - 3 / 2

f (x) = ( x + 2 )² - 4 - 3 / 2

f (x) = ( x + 2 )² - 11 / 2

(x + 2)² = 11 / 2

x + 2 = ± √ 11 / 2

x = - 2 ± √ 11 / 2

Therefore, the zeroes of the function f (x) = 2 x² + 8 x - 3 are x = - 2 ± √ 11 / 2.

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Population in the year 2000= 198.85million

From the question, we get to know that the population in 2009 was 191.5 million.

And we have to find the population of the year 2000 which is 3.7%more than the 2009 population.

So let us take the population of the year 2000 to be x.

From the above, we can form an equation:

(population of year 2000 * ( 100-3.7 /100) = (population of year 2009)

i.e., x * 100-3.7/ 100 = 191.5

x * 96.3 = 191.5

x = 198.85

So 198.85 is the population of 2000.

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The graph of the piecewise function is given at the end of the answer. From the graph, and from it's concepts, we have that:

A piecewise-defined function is a function that has different definitions, depending on the input of the function.

For this problem, the function has two definitions, as follows:

Both are decreasing linear functions, with the definition opening a space at x = 0, between y = 0 and y = -2, as shown in the graph. The closed interval, due to the equal sign, is at x = 0.

In a graph, the domain and the range are found as follows:

Hence, for the function in this problem, we have that:

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we may use BODMAS in answering this question you divide 18 by 6 and your answer will be 3 you then add 5 to the 3 to obtain your answer which is 8

Using a proportional relationship, it is found that:

A direct proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality k, as follows:

y = kx

From point (1.5, 45) on the graph, the constant is given as follows:

k = 45/1.5

k = 30.

Hence the equation is:

y = 30x.

In which:

Hence, point (1.5, 45) means that the 1.5 hours, he traveled 45 miles.

From the constant k = 30, we have that in one hour, Larry traveled 30 miles, also meaning that:

His distance changed at a unit rate of 30 miles per hour, so Larry's speed was of 30 miles per hour.

The slope of the graph is the velocity, hence:

If Larry had driven more slowly, the slope of the graph would be less than 30.

For this problem, the graph is missing, and is given by the image at the end of the answer.

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The function e(x) = 8/3x - 8 is a linear function and the zeros of the function is x = 3

The function is given as

e(x) = 8/3x - 8

Set the function to 0

So, we have

8/3x - 8 = 0

Add 8 to both sides of the equations

So, we have

8/3x = 8

Divide both sides of the equation by 8

So, we have

1/3x= 1

Multiply both sides of the equation by 3

So, we have

x = 3

Hence, the zeros of the function is x = 3

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4√5 and 12√5 are like radicals as they have the same radicand.

An expression that has a root, typically a square or cube root, is referred to as a radical.

Radicals with the same root number and radicand are like radicals. (expression under the root).

Radicand is the one whose root you are finding.

Given: 4√5 + 12√5 +4

To identify the like radicals.

As we know, like radicals are those having the same radicand.

In the given expression,  4√5 and 12√5 are like as they have the same expression under the root.

Therefore, 4√5 and 12√5 are like radicals.

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Answer:

"6a = 9"
"x × y = 9"

→ Variables can also be factors in the instance that they are multiplied by a number or another variable.

Comparing the values by subtraction, the chocolates are lighter than the weight stated on the label by 0.0042 pounds.

When comparing two values whether which is greater, compare the digits from left to right.

Comparing 0.384 to 0.3798, where the first digits are both 0, and the digit after the decimal are also the same, compare the hundredth's place.

8 > 7

Hence, the actual weight of the chocolates is less than or lighter than the weight stated on the label.

Using subtraction, two values can also be compared by getting how much one exceeds the other.

Subtracting the two values,

0.384 - 0.3798 = 0.0042 pounds

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It will cost $49.5 for the ten items.

Arithmetic operation is an elementary part of mathematics that consists of the study of the properties of the traditional operations on numbers—addition, subtraction, multiplication, division, exponentiation, and extraction of roots.

Now it is given that,

Total items purchased = 10

Each item cost = $4.95

Thus, Cost of 10 items = 10*Each item cost

Putting the value we get,

Cost of 10 items = 10*4.95

Solving we get,

Cost of 10 items = $49.5

this is the required cost for the ten items.

Thus, It will cost $49.5 for the ten items.

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Answer:

2x^2-x-6 (A.)

Step-by-step explanation:

Hope this helps buddy!

Answer:

[tex]r = 5[/tex]

Step-by-step explanation:

[tex]r^3 = 125 \text{ // Take the 3rd sqrt of both sides}\\\to \sqrt[3]{r^3} = \sqrt[3]{125}\\\to r = 5[/tex]

Answer:

Brainleast Answer

Step-by-step explanation:

r=5

hopebit helps