I Need Help Plz I’m Failingggg!!

Answer:

c. 4

Step-by-step explanation:

To find the inverse of a number, x, then you end up getting -x.

x = -4

- ( -4 ) = 4

For this case we must find the inverse of the following number:

-4

By definition we have that the inverse of a number multiplied by the number gives us 1 as a result.

Let "x" be the inverse of -4, then:

[tex]x (-4) = 1\\-4x = 1\\x = - \frac {1} {4}[/tex]

So, the inverse of -4 is[tex]- \frac {1} {4}[/tex]

Answer:

[tex]- \frac {1} {4}[/tex]

Answer:

$70

Step-by-step explanation:

10.50/ 3 = 3.5

3.5 times 20 =70

Answer:

The other coordinate for the given equation is 34.

Step-by-step explanation:

We are given the following equation and we are to fin the value of the y coordinate given that the value of the x coordinate is [tex] 8 [/tex]:

[tex] y = \frac { 7 } { 2 x + 6 } [/tex]

Substituting the given value of x in the above equation to find y:

[tex]y = \frac { 7 } { 2 } ( 8 ) + 6 [/tex]

y = 34

(8, 34)

Answer:

A) h(x)=9x-13

Step-by-step explanation:

f(x) = 2x - 1  

g(x) = 7x -12

Add them together

f(x) = 2x - 1  

g(x) = 7x -12

-------------------------

f(x)+g(x) = 9x-13

h(x) = 9x-13

Answer:

A

Step-by-step explanation:

I took the test

Answer:

O C. (f – g)(x) = -3x^2 - x - 4

Step-by-step explanation:

I will assume that f(x) is -4x^2- 6x - 1

f(x) = -4x^2 - 6x - 1

g(x) = -x2 - 5x + 3

(f - g)(x)= -4x^2 - 6x - 1  - (-x2 - 5x + 3)

Distribute the minus sign

(f - g)(x)= -4x^2 - 6x - 1  +x2 + 5x - 3

Combine like terms

(f - g)(x)= -3x^2 - 1x - 4  

Answer:

  D  All Of Above

Step-by-step explanation:

Any number that is the ratio of two integers, a repeating decimal fraction, or a value you can write completely without using symbols such as π or √2 is a rational number. All the numbers shown are complete in a finite number of digits, so are rational.

All the provided options (-9, 5/8, and 0) are rational numbers because they can all be expressed as a ratio of two integers or as whole numbers. Hence, the correct answer is 'All of the Above.'

A rational number is one that can be expressed as the ratio of two integers (where the denominator is not zero) or as a whole number. Therefore, -9 (which is a whole number), 5/8 (which is a fraction with both numerator and denominator as integers), and 0 (which can be expressed as 0/1) are all rational numbers. Thus, All of the Above are rational numbers.

Answer:

66 in^2.

Step-by-step explanation:

We  can use the formula for the area of a trapezoid:

Area = (h/2) (a + b) where h = the height and a and b are the lengths of the opposite parallel lines.

so the Area of ABCD = (6/2)*(10 + 12)

= 3 * 22

= 66 in^2.

For this case we have that the area of the figure is given by the sum of the area of a rectangle plus the area of a triangle.

By definition, the area of a reactangle is given by:

[tex]A = a * b[/tex]

Where:

a, b:they are the sides of the rectangle.

According to the figure we have:

[tex]a = 10\\b = 6[/tex]

Substituting we have:

[tex]A = 10 * 6\\A = 60[/tex]

Thus, the area of the rectangle is [tex]60in ^ 2[/tex]

On the other hand, the area of a triangle is given by:

[tex]A = \frac {b * h} {2}[/tex]

Where:

b is the base and h is the height of the triangle.

According to the figure we have to:

[tex]b = 12-10 = 2\\h = 6[/tex]

Substituting in the formula:

[tex]A = \frac {2 * 6} {2} = \frac {12} {2} = 6[/tex]

Thus, the area of the rectangle is[tex]6in ^ 2[/tex]

Then, the total area of the figure is:

[tex]A_ {T} = 60in ^ 2 +6in ^ 2 = 66 \ in ^ 2[/tex]

Answer:

[tex]66 \ in ^ 2[/tex]

Answer:

a -1.8

Step-by-step explanation:

f(x)=y=0

when y = 0, x=-1.8

Answer:

A. [tex]-1.8[/tex]

Step-by-step explanation:

We have been graph of a function. We are asked to find the value of x, when [tex]f(x)=0[/tex].

We know that [tex]f(x)=0[/tex] stands for x-intercept. [tex]f(x)[/tex] stands for value of y. We know that y is zero on x-axis.

Upon looking at our given graph, we can see that our function has only one x-intercept that is at point [tex](-1.8,0)[/tex].

This means that [tex]f(-1.8)=0[/tex], therefore, the value of x is [tex]-1.8[/tex] and option A is the correct choice.

Denise has conducted an observational study to learn about different influences that affect which colleges students choose to attend. Denise surveyed 400 students at her new college and found that 80% of the students chose their college based on a friend who also attends that college.

What conclusion can Denise make from her study?

A. There may be a link between knowing current students and choosing a college, and she can draw a cause-and-effect conclusion from an observational study.

B. There may be a link between knowing current students and choosing a college, but she cannot draw a cause-and-effect conclusion from an observational study.

C. Knowing a current student enrolled at a college causes incoming students to choose that college, but she cannot draw a cause-and-effect conclusion from an observational study.

D. Knowing a current student enrolled at a college causes incoming students to choose that college, and she can draw a cause-and-effect conclusion from an observational study.

The conclusion that Denise can make from her observational study is B. There may be a link between knowing current students and choosing a college.

An observational study is a study that observes individuals and measures variables of interest but doesn't influence the responses.

In this case, Denise has conducted an observational study to learn about different influences that affect which colleges students choose to attend.

Here, the conclusion that Denise can make from her study is that there may be a link between knowing current students and choosing a college even though she cannot draw a cause-and-effect conclusion from the study.

Learn more about an observational study on:

https://brainly.com/question/3163814

Answer:

5

Step-by-step explanation:

The triangles have a 2:3 ratio given by the heights of the triangles. We can assume the sides of the triangles must always form a 2:3 ratio with the sides. 5:7.5 forms 2:3 ratio if you divide 5/7.5. This equals .67, just as 2/3 does.

Answer:

number 2

Step-by-step explanation:

Total number of riders that ride on carpool daily = 2000

Total Cost of one way ticket = $ 5.00

Total Amount earned if 2000 passengers rides daily on carpool = 2000 × 5

                                                                                                            = $10,000

If fare increases by $ 1.00

New fare = $5 + $1    

               = $6

Number of passengers riding on carpool = 2,000 - 100 = 1,900

If 1,900 passengers rides on carpool daily , total amount earned ,if cost of each ticket is $ 6 = 1900 × $6 = $11400

As we have to find the inequality which represents the values of x that would allow the carpool service to have revenue of at least $12,000.

For $ 1 increase in fare = (2,000 - 1 × 100) passengers

For $ x increase in fare, number of passengers = 2,000 - 100·x

                                                         = (2,000 - 100·x) passengers

New fare = 5 + x

New Fare × Final Number of passengers ≥ 12,000

(5+x)·(2,000 - 100 x) ≥ 12,000

5 (2,000 - 100 x) + x(2,000 - 100 x) ≥ 12,000

10,000 - 500 x + 2,000 x - 100 x² ≥ 12,000

100 - 5 x + 20 x - x² ≥ 120

- x² + 15 x +100 - 120 ≥ 0

-x² + 15 x -20 ≥ 0

x² - 15 x + 20 ≤ 0

⇒ x = 1.495

x ≥ $ 1.495, that is if we increase the fare by this amount or more than this the revenue will be at least 12,000 or more .

Also, f'(x) = 0 gives x = 7.5

⇒ The price of a one-way ticket that will maximize revenue is $7.50

Answer:

[tex]\large\boxed{B.\ x=1,\ C.\ x=-\dfrac{5}{3}}[/tex]

Step-by-step explanation:

[tex]2x-5=-3x^2\qquad\text{add}\ 3x^2\ \text{to both sides}\\\\3x^2+2x-5=0\\\\3x^2+5x-3x-5=0\\\\x(3x+5)-1(3x+5)=0\\\\(3x+5)(x-1)=0\iff3x+5=0\ \vee\ x-1=0\\\\3x+5=0\qquad\text{subtract 5 from both sides}\\3x=-5\qquad\text{divide both sides by 3}\\x=-\dfrac{5}{3}\\\\x-1=0\qquad\text{add 1 to both sides}\\x=1[/tex]

Answer:

x=2x+6 is the equation that to solve for the smallest.

The three numbers are -6, -4 , and -2.

Step-by-step explanation:

Let x be the smallest of three consecutive even integers.

The next even integer would then have to be x+2 (because x+1 is odd if x is even).

The third one in this sequence would have to be x+4 (because x+3 is odd if x is even).

We are given the first of these numbers equals the sum of the second and third.

So we have x=(x+2)+(x+4).

Combine like terms on right hand side:

x=x+x+2+4

Simplify the combining:

x=2x+6

Subtract 2x on both sides:

x-2x=6

Simplify left hand side:

-x=6

Multiply both sides by -1:

x=-6

If x=-6,  then the three mentioned numbers are:

x=-6

x+2=-6+2=-4

x+4=-6+4=-2

The three numbers are -6, -4 , and -2.

Answer:

π

Step-by-step explanation:

recall that for a cotangent function

f(x) = cot (bx) + k

the period is simply π / | b |

in our case b = 1, hence | b | = 1

therefore the period is simply π / 1 = π

Answer:

[tex]\large\boxed{D.\ \dfrac{-4x+9}{2x(x-2)}}[/tex]

Step-by-step explanation:

[tex]\dfrac{1}{2x^2-4x}-\dfrac{2}{x}=\dfrac{1}{2x(x-2)}-\dfrac{2}{x}=\dfrac{1}{2x(x-2)}-\dfrac{(2)(2)(x-2)}{2x(x-2)}\\\\=\dfrac{1-4(x-2)}{2x(x-2)}\qquad\text{use the distributive property}\\\\=\dfrac{1-4x+8}{2x(x-2)}=\dfrac{-4x+9}{2x(x-2)}[/tex]

Answer:

The correct option is D.

Step-by-step explanation:

Consider the provided expression.

[tex]\frac{1}{2x^2-4x}-\frac{2}{x}[/tex]

Now take the LCM of the denominator and solve the above expression as shown:

[tex]\frac{x-2(2x^2-4x)}{x(2x^2-4x)}[/tex]

[tex]\frac{x-4x^2+8x}{x(2x^2-4x)}[/tex]

[tex]\frac{9x-4x^2}{x(2x^2-4x)}[/tex]

Cancel out the x as it is common in numerator and denominator.

[tex]\frac{9-4x}{2x^2-4x}[/tex]

[tex]\frac{-4x+9}{2x(x-2)}[/tex]

Hence, the correct option is D.

Answer:

D

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y - 3 = 4(x - 10) ← is in point- slope form

with slope m = 4

Given a line with slope m then the slope of a line perpendicular to it is

[tex]m_{perpendicular}[/tex] = - [tex]\frac{1}{m}[/tex] = - [tex]\frac{1}{4}[/tex]

The perpendicular line passes through (- 3, 7), hence

y - 7 = - [tex]\frac{1}{4}[/tex](x - (- 3)), that is

y - 7 = - [tex]\frac{1}{4}[/tex](x + 3) → D

1,2

1,3

1,4

1,5

2,1

2,3

2,4

2,5

3,1

3,2

3,4

3,5

4,1

4,2

4,3

4,5

5,1

5,2

5,3

5,4

20 looks like the number.

Please Vote my answer brainliest. thanks!

Answer:

2  remainder 3.

Step-by-step explanation:

Well 2 * 41 = 82 so the quotient is 2 and the remainder is 85-82 = 3.

41 ) 85 ( 2

  -  82

        3.

[tex]\huge{\boxed{2,\ remainder\ 3}}[/tex]

First, find how many times [tex]41[/tex] can fit into [tex]85[/tex].

[tex]41*1=41[/tex]

[tex]41*2=82[/tex]

[tex]41*3=123[/tex] is greater than [tex]85[/tex], so we need to go back down to [tex]41*2=82[/tex].

Now, subtract [tex]85-82[/tex] to get a remainder of [tex]3[/tex].

Answer:

When the hot tub is half full, there are 400 gallons of water in it.

Step-by-step explanation:

If 75% or 3/4 of the hot tub is 600 gallons and you need to find 50% or 1/2. Divide 600 by 3 to get 200 then simply multiply by 2 to get 400.

When the hot tub is half full, it would contain 400 gallons of water.

To find out how many gallons are in the hot tub when it's half full, calculate the total capacity of the hot tub using the information that 75% equals 600 gallons. Then, take 50% of that total capacity to find that when the hot tub is half full, it contains 400 gallons.

If a hot tub is 75 percent full with 600 gallons of water, that means the hot tub's total capacity when it's 100% full is larger than 600 gallons. To find out how many gallons are in the hot tub when it's half full, we must first determine the hot tub's total capacity. We can set up a proportion to find the total capacity (T) since 75% of T is 600 gallons.

75% of T = 600 gallons

0.75  imes T = 600 gallons

Now, to find the total capacity (T), divide both sides by 0.75:

T = 600 gallons / 0.75

T = 800 gallons

So, the hot tub's total capacity is 800 gallons. To find the amount of water when the hot tub is half full, simply take 50% of the total capacity:

50% of 800 gallons = 0.5  imes 800 gallons

50% of 800 gallons = 400 gallons

Therefore, when the hot tub is half full, it would contain 400 gallons of water.

Answer:

x = 28

Step-by-step explanation:

Given

[tex]\frac{14}{x}[/tex] = [tex]\frac{1}{2}[/tex] ( cross- multiply )

x = 14 × 2 = 28

Answer:

x = 7

Step-by-step explanation:

14 / x = 1 / 2

14 / x = 0.5

14 = x(0.5)

14 / 0.5 = x

7 = x

Hope this helps!

The answer is D!!!

y=6x^2-24x+16

Answer:

Option 4 - [tex]y=6x^2-24x+16[/tex]

Step-by-step explanation:

Given : The vertex form of the equation of a parabola is [tex]y=6(x-2)^2-8[/tex]

To find : What is the standard form of the equation?

Solution :

The vertex form of the equation of a parabola is [tex]y=6(x-2)^2-8[/tex]

We solve the equation to get standard form,

[tex]y=6(x^2-2^2-2(x)(2))-8[/tex]

[tex]y=6(x^2+4-4x)-8[/tex]

[tex]y=6x^2+24-24x-8[/tex]

[tex]y=6x^2-24x+16[/tex]

The standard form of the equation is [tex]y=6x^2-24x+16[/tex]

Therefore, Option 4 is correct.

Answer:

C. 10,4

Step-by-step explanation:

Using the Law of Cosines [Solving for Angle Measures → cos<A = -a² + b² + c²\2bc, cos<B = a² - b² + c²\2ac, cos<C = a² + b² - c²\2ab; Solving for Sides → a² = b² + c² - 2bc cos<A, b² = c² + a² - 2ac cos<B, c² = b² + a² - 2ab cos<C], set up your triangle with your angles and sides OPPOSITE from each other.

Suggestion: make Side b 12 and Side a 6, leaving you with Side c to find. According to the problem and how you set up your triangle, <C can be 60°. This is how you should set it up:

c² = 36 + 144 - 144 cos 60°; 108 = c²

The reason being is because 6² is 36, 12² is 144, 2ab → 2[12][6] is 144, and cos 60° is ½. Putting this altogether will give you 108 = c². Obviously, the final step is to take the square root of 108, which rounded to the nearest tenth, is 10,4.

If you are ever in need of assistance, do not hesitate to let me know by subscribing to my channel [USERNAME: MATHEMATICS WIZARD], and as always, I am joyous to assist anyone at any time.

**Whenever you are solving for an angle using the Law of Cosines, towards your final answer, use the cos⁻¹ function to cancel the cos to isolate your angle measure.

Final answer:

Using the law of cosines with the given sides 6 cm and 12 cm and included angle of 60 degrees, the length of the third side is approximately 10.4 cm, corresponding with answer choice C.

Explanation:

To calculate the length of the third side of a triangle when two sides and the included angle are known, we can use the law of cosines. The law of cosines states that c² = a² + b² - 2abcos(C), where a and b are the lengths of the sides, C is the included angle, and c is the length of the third side opposite to angle C.

In this question, we have been given two sides of lengths 6 cm and 12 cm with an included angle of 60 degrees. Plugging these values into the law of cosines formula, we get c² = 6² + 12² - [tex]2\(\cdot\)6\(\cdot\)12\(\cos(60^\circ)\)[/tex].

Since [tex]\(\cos(60^\circ)\)[/tex] equals 0.5, the calculation simplifies to c² = 36 + 144 - 72 = 108. Taking the square root of both sides, we find that c ≈ 10.4 cm, which aligns with answer choice C.

The area of the rectangle is 4 x 16 = 64 square units.

Because the sides of a square are all the same, to find the length of the side, take the square root of the area:

Side length = √64

Side = 8

Answer:

tan²x + 1 = sec²x is identity

Step-by-step explanation:

* Lets explain how to find this identity

∵ sin²x + cos²x = 1 ⇒ identity

- Divide both sides by cos²x

∵ sin x ÷ cos x = tan x

∴ sin²x ÷ cos²x = tan²x

- Lets find the second term

∵ cos²x ÷ cos²x = 1

- Remember that the inverse of cos x is sec x

∵ sec x = 1/cos x

∴ sec²x = 1/cos²x

- Lets write the equation

∴ tan²x + 1 = 1/cos²x

∵ 1/cos²x = sec²x

∴ than²x + 1 = sec²x

- So we use the first identity sin²x + cos²x = 1 to prove that

 tan²x + 1 = sec²x

∴ tan²x + 1 = sec²x is identity

Answer:

true

Step-by-step explanation:

vertical angles are congruent

Answer:

1. University of Wisconsin–Madison

2. New York University

3. Purdue University

4. Texas A&M University

5. Auburn University

6. University of California, Davis

7. College of Charleston

Step-by-step explanation:

These schools don't require you to live on campus.

Some colleges, such as community colleges and online universities, do not require on-campus housing, offering students the flexibility of living off-campus or at home while studying.

Colleges that do not require on-campus housing:

Some colleges that typically do not require on-campus housing include community colleges and online universities.

Community colleges often allow students to live at home to keep costs down, catering to both young people and adults who prefer living at home while studying.

Online universities provide education entirely through online platforms, allowing students to study from their own locations without the need for on-campus housing.

Answer:

see explanation

Step-by-step explanation:

This is not a prime polynomial as it can be factored into polynomials of lower degree.

Given

x³ + 3x² - 2x - 6 ( factor the first/second and third/fourth terms )

= x²(x + 3) - 2(x + 3) ← factor out (x + 3) from each term

= (x + 3)(x² - 2) ←can be reduced further as a difference of squares

= (x + 3)(x - [tex]\sqrt{2}[/tex] )(x + [tex]\sqrt{2}[/tex] )

Answer:

B x^2 + 5x − 4 = 0

Step-by-step explanation:

PLATO

Answer:

x=12

Step-by-step explanation:

1/2x + 3 = 2/3x + 1

Subtract 1 from each side

1/2x + 3-1 = 2/3x + 1-1

1/2x +2 = 2/3 x

Subtract 1/2 x from each side

1/2x -1/2x+ 2 = 2/3x -1/2x

2 = 2/3x -1/2x

Get a common denominator of 6  2/3 = 4/6   and 1/2 = 3/6

2 = 4/6x - 3/6x

2 = 1/6 x

Multiply each side by 6 to isolate x

2*6 = 1/6x *6

12 =x

Answer:

x=12

Step-by-step explanation:

Answer:

Definition of Point by Gray:

    A point is a location in a region.

→A point is smallest and simplest representation of any location or any thing or an object in two, three, or n-dimensional plane.

This can be explained in following way.

For a large enclosed room , Lighting a small bulb will represent a point.Similarly , stars in the sky appear as a point with respect to earth.Sun in the Universe can be  called as a point.

Answer:

A

Step-by-step explanation:

The statement uses the terms location and region that are defined based on an understanding of a point.

Brainliest Please

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