PLEASE HELIP ITS DUE TODAY

Answer:

35% discount

Step-by-step explanation:

We can first find what percent of 32 20.80 is.

This can be shown by using a percent proportion.

\(\frac{20.80}{32} = \frac{x}{100}\)

We can cross multiply to find the value of \(x\).

\(20.80\cdot100=2080\\\\2080\div 32 = 65\)

So 20.80 is 65% of 32.

However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

\(100 - 65 = 35\)

So the book was on a 35% discount.

Hope this helped!

Answer:

12=34+45

Step-by-step explanation:

34+12=34

Answer:

-42x^2 + 22x

Step-by-step explanation:

Yes

Answer:

B

Step-by-step explanation:

\(x\geq -2\) means that \(x\) can be all values that are greater than -2, and the line under the inequality sign adds that \(x\) can be equal to it as well.

Since B represents all values of \(x\) that are greater than -2 along with -2 itself due to the closed circle, it is the correct answer.

Answer:

it is c i took the test i hope this helps

Step-by-step explanation:

hope you can understand

Answer:

f(x-4) = x²-8x + 17

f(x-4)-f(-4) = x²-8x

Step-by-step explanation:

Given the function:

f(x) = x^2+1

f(x-4) = (x-4)^2+1

f(x-4 ) = x² - 8x + 16 + 1

f(x-4) = x²-8x + 17

For f(x-4)-f(-4)

f(-4) = (-4)²+1

f(-4) = 16+1

f(-4) = 17

f(x-4)-f(-4) = x²-8x + 17 - 17

f(x-4)-f(-4) = x²-8x

Answer:

49.8 degrees celcius

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

40

Step-by-step explanation:

Absolute value means distance and distance is always positive. Absolute value DOES NOT change everything to the opposite. Positive numbers stay positive. Negative numbers change to positive.

|-31| + |-9|

31 + 9

40

Answer:

B

Step-by-step explanation:

if x=-1

then x+1 is a factor of f(x)

Answer:

B

Step-by-step explanation

A wise man once told me that this do be correct.

Answer:

$54.87

Step-by-step explanation:

The area of the triangular garden is (1/2) x base x height = (1/2) x 6 x 5 = 15 square feet.

The area of the rectangular mulch area is base x height = 12 x 9 = 108 square feet.

The total area to be covered with mulch is 108 - 15 = 93 square feet.

The cost of the mulch is $0.59 per square foot, so the total cost is 93 x $0.59 = $54.87.

Therefore, the total cost of the mulch will be $54.87.

Answer:

175 pages

Step-by-step explanation:

140 in 4 minutes plus 35 in one minute= 175

Answer:

x=18

Step-by-step explanation:

-5+x=13

+5      +5

(This excludes the five, add the five to thirteen

x = 18

Double check by doing: -5+18=13

Answer:

17

Step-by-step explanation:

7 and 27

x+y/2

7+27/2

34/2

=17

The domain of the square root function is x greater-than-or-equal-to 0, since the function is defined for all non-negative x-values or x-values greater than or equal to zero.

The domain of the square root function graphed below can be determined by looking at the x-values of the points on the graph.

From the given information, we can see that the curve starts at (0, -1) and goes through (1, -2) and (4, -3).

The x-values of these points are 0, 1, and 4.

Since the square root function is defined for any non-negative x-values or x-values more than or equal to zero, its domain is x greater-than-or-equal-to 0.

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a. The value of sin θ = 13/18

b. The size of sin θ is 46.2 degrees

First, we need to know the different trigonometric identities.

These trigonometric identities are listed thus;

From trigonometric relations, we have that the ratio for sine identity is represented as;

sin θ = opposite/hypotenuse

Then, we have from the information given that;

Hypotenuse side = 18cm

Opposite side = 13cm

Substitute the values, we have;

sin θ = 13/18

Divide the values

sin θ = 0. 7222

Find the sine inverse value, we have;

so, θ = sin⁻¹(13/18) = 46. 2 degrees

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Answer:

24 m²

Step-by-step explanation:

The area of a rhombus is the product of the two diagonals over 2

Answer:

The right answer is D

Step-by-step explanation:

The slope of the first function is 2.5, the slope of the second function is 3, so function 2 has a greater rate of change by \(\frac{1}{2}\).

Step-by-step explanation:

Greetings !

Firstly, find the class-midpoints (X) to solve for the mean.

Thus, mid points of each classes are

\(5.15.25.35.45\)

Solve, for p using mean grouped data formula

\( \frac{5(3) + 15(4) + 25(p) + 35(3) + 45(2)}{3 + 4 + p + 3 + 2} = 24\)

multiply each values add them and solve for p.

\( \frac{15 + 60 + 25p + 105 + 90}{12 + p} = 24\)

make a cross multiplication

\(270 + 25p = 24(12 + p) \\ 270 + 25p = 288 + 24p\)

subtract 270 from both sides

\(270 + 25p - 270 = 288 + 24p - 270 \\ 25p = 24p + 18\)

subtract 24p from both sides

\(25p - 24p = 24p + 18 - 24p \\ p = 18\)

Also refer the attached image for further details

Hope it helps!

A) The type of triangles are congruent triangles

B) By the use of SAS Congruency Postulate

C) The distance across for the sink hole is: 52.2 ft

D) The perimeter of triangle ABC is: 172.2 feet.

A) Congruent triangles are defined as the triangles created because of the phrasing "you recreate the same triangle" mentioned in the instructions. Congruent triangles are basically identical carbon copies of each other.

B) If we knew the measure of angle ACB, and then mad use of it to form angle ECD, then we would have enough information to know that triangle ACB was congruent to triangle ECD. Therefore, it would be useful to do the SAS (side angle side) congruence rule.

C) We know that:

AB = ED = 52.2

AB is the distance across the sink hole. Thus, it is 52.2 feet

D) AB = 52.2

BC = 70

AC = 50

Thus:

Perimeter of triangle ABC = AB + BC + AC

Perimeter of triangle ABC = 52.2 + 70 + 50

Perimeter of triangle ABC = 122.2 + 50

Perimeter of triangle ABC = 172.2

The perimeter of triangle ABC is 172.2 feet.

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Answer:

Step-by-step expA) The type of triangles are congruent triangles

B) By the use of SAS Congruency Postulate

C) The distance across for the sink hole is: 52.2 ft

D) The perimeter of triangle ABC is: 172.2 feet.

How to solve congruent triangles?

A) Congruent triangles are defined as the triangles created because of the phrasing "you recreate the same triangle" mentioned in the instructions. Congruent triangles are basically identical carbon copies of each other.

B) If we knew the measure of angle ACB, and then mad use of it to form angle ECD, then we would have enough information to know that triangle ACB was congruent to triangle ECD. Therefore, it would be useful to do the SAS (side angle side) congruence rule.

C) We know that:

AB = ED = 52.2

AB is the distance across the sink hole. Thus, it is 52.2 feet

D) AB = 52.2

BC = 70

AC = 50

Thus:

Perimeter of triangle ABC = AB + BC + AC

Perimeter of triangle ABC = 52.2 + 70 + 50

Perimeter of triangle ABC = 122.2 + 50

Perimeter of triangle ABC = 172.2

The perimeter of triangle ABC is 172.2 feet.

lanation:

Answer: 2592 square inches. To find the area, multiply the length and the width together. When a question says ___ by ___, they are saying ____ units long and ____ units wide. Here, 72 by 36 means 72 inches long and 36 inches wide, so multiply those together to get your area.

Answer:

2592 square inches

Step-by-step explanation:

The formula to find the area of something is Length x width so i times the 72 by the 36 and got 2592

Answer:

12.7  ==> distance of RS

24.2 ==> distance of RT

Step-by-step explanation:

Distance is always positive. So if you get a negative value, take the absolute value of the negative number:

For example, between point R and S:

-17.2 - (-4.5) =

-17.2 + 4.5 =  ==> subtracting a negative number is equivalent to adding a

                           positive number

-(17.2 - 4.5) = -12.7

-12.7 ==> |-12.7| = 12.7  ==> distance of RS

For RT:

-17.2 - 7 =

-(17.2 + 7) = -24.2

-24.2 ==> |-24.2| = 24.2 ==> distance of RT

Answer:

undefined

Step-by-step explanation:

division by zero is undefined

Division Property of zero

For any nonzero real number a

The quotient of "a" and 0 is undefined. That is a/0 is undefined

The transformations of f(x) are (a) a horizontal shrink by a factor of 1/4,

From the question, we have the following functions that can be used in our computation:

f(x) = x²

g(x) = (4x)²

Mathematically, these equations can be represented as

g(x) = f(4x)

The above equations implies that, we have the transformation to be:

The 4x implies that the function f(x) is horizontally shrunk by a factor of 1/4

Hence, the transformed function is (a)

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Y=mx+b is standard form.

y-2= -x-7

  +2      +2

y= -x-5

A total of 23 songs are inside the playlist for Halloween carnival.

Division is a operation in mathematics which is used to divide a specific number into equal parts of specific magnitude.

Given is a playlist for Halloween carnival which is 1 hour and 20 minutes long. Each song lasts an average of 3 minutes and 30 seconds.

Length of the playlist = 1 hour and 20 minutes = 80 minutes = 4800 s

Length of a song = 3 minutes and 30 seconds = 210 s

Total possible number of songs in playlist = 4800/210 = 22.9 = 23

Therefore, a total of 23 songs are inside the playlist for Halloween carnival.

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The domain and range of the graph above in interval notation include the following:

Domain = [-6, 3]

Range = [-3, 3]

In Mathematics and Geometry, a domain refers to the set of all real numbers (x-values) for which a particular function (equation) is defined.

In Mathematics and Geometry, the horizontal portion of any graph is used to represent all domain values and they are both read and written from smaller to larger numerical values, which simply means from the left of any graph to the right.

By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:

Domain = [-6, 3] or -6 ≤ x < 3.

Range = [-3, 3] or -3 < y < 3

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Answer:

It is solved on a graph

Step-by-step explanation:

A quadratic graphical solution.

Given:

The given sets are:

\(U=\{x|x\in N\text{ and }x<10\}\)

\(A=\{x|x\text{ is an odd natural number and }x<10\}\)

\(B=\{x|x\text{ is an even natural number and }x<10\}\)

\(C=\{x|x\in N\text{ and }3<x<5\}\)

To find

The set \(B\cap U\).

Solution:

We have,

\(U=\{x|x\in N\text{ and }x<10\}\)

\(U=\{1,2,3,4,5,6,7,8,9\}\)

\(B=\{x|x\text{ is an even natural number and }x<10\}\)

\(B=\{2,4,6,8\}\)

Now, \(B\cap U\) is the set that contains all the common elements of both sets B and U.

\(B\cap U=\{2,4,6,8\}\)

\(B\cap U=B\)

Therefore, the correct option is A.