PLEASE HELP!!!!!!!!!!!

PLEASE HELP!!!!!!!!!!!

Answers

Answer 1

Answer:

The answer is B. [tex]\frac{2x+1}{x^{2}-7} ,x\neq \sqrt{7}[/tex]

Step-by-step explanation:

[tex]f(x)=2x+1\\g(x)=x^{2} -7[/tex]

Focusing on the denominator makes it equal to = 0

[tex]x^{2} -7=0\\x^{2} =7\\x=+\sqrt{7},-\sqrt{7}[/tex]

If the denominator equals zero then the equation ends up undefined. A number over zero, zero can not go divided into a number.


Related Questions

need help asap please​

Answers

Step-by-step explanation:

first of all, your teacher wrote nonsense in the answer options : an area is always given in squared units. never in cubed units (which would be volume).

the area is : 1/2 × perimeter × apothem

the perimeter is simply 12 × 5 = 60 meters.

apothem = (a/2)×cot(pi/12) = 5/2 × cot(pi/12) =

= 9.330127019... meters

so the area is

1/2 × 60 × 9.330127019... = 279.9038106... m²

therefore, the third answer option is correct (although it is m², and not m³).

by the way, you have question 3 wrong. I answered this with the correct apothem calculation in the explanation for question 4.

Help me with khan geometry. (Explain or give answer no link to answer thx)

Answers

Answer:

[tex]\boxed{\sf 200\pi}[/tex]

Step-by-step explanation:

We know that the volume of a cone:-

[tex]\boxed{\sf \pi r^2\cfrac{h}{3}}[/tex]

(r = 10) (h = 6)

[tex]\sf \pi \times 10^2\times\cfrac{6}{3}[/tex]

Divide numbers:-

[tex]\sf \cfrac{6}{3}=\boxed{2}[/tex]

[tex]\sf 10^2\times \:2\pi[/tex]

[tex]\sf 100\times \:2\pi[/tex]

Multiply numbers:-

[tex]\boxed{\sf 200\pi}[/tex]

Therefore, your answer is 200π³

We could also multiply 200 by 3.14 which will give you 628 units³.

34-w=6 is the question I need answered.

Answers

w = 28

solving stepwise:

[tex]\dashrightarrow \sf \ \ 34-w=6[/tex]

[tex]\dashrightarrow \sf \ \ -w=6-34[/tex]

[tex]\dashrightarrow \sf \ \ -w=-28[/tex]

[tex]\dashrightarrow \sf \ \ w=28[/tex]

Answer:

w = 28

Step-by-step explanation:

Given equation:

34 - w = 6

Substact 6 both sides:

⇒ 34 - w = 6⇒ 34 - w - 6 = 6 - 6⇒ 28 - w = 0

Subtract 28 both sides:

⇒ 28 - w = 0⇒ 28 - 28 - w = 0 - 28⇒ 0 - w = -28⇒ -w = -28

Multiply -1 both sides:

⇒ -w = -28⇒ -w × -1 = -28 × -1⇒ w = 28

Find the width of a cereal box that has a volume of 2,310 cm3 and is 22 cm long and 21 cm high.

Answers

breadth = 5cm

hope it helps...!!!

Are you picky about the toilet paper you buy? James is! To investigate the absorbency power of his favorite

brand of toilet paper, he went to the store and randomly selected (and purchased) 18 single rolls. He then

poured 1/4 cup of water onto a hard surface and counted how many individual squares of toilet paper it took

to completely absorb the water. Here are the results from his 18 rolls:

29

29

20

24

25 29 21

27 28 21

24 27 25 24

25 26 22 23

(a) Is there convincing evidence at the a= 0. 05 significance level that this brand of toilet paper will

require less than 26 squares to absorb 1/4 cup of water?

(b) Referring to your conclusion, what type of error may have been made? Describe the error in the

context of this study.

Answers

There's no convincing evidence at 0.05 significance level that this brand of toilet paper will require less than 26 squares.

What is a significance level?

A significance level simply means is the probability that an event has occured by chance.

In this case, there's convincing evidence at 0.05 significance level that this brand of toilet paper will require less than 26 squares to absorb 1/4 cup of water. Therefore, we fail to reject the null hypothesis.

A type of error that may have been made is type II error. This is the non rejection if the null hypothesis when it's false.

Learn more about significance level on:

https://brainly.com/question/9163177

HURRYYY PLEASEEE
The diagram shows a cone of a height of 5 cm and a base radius of 12 cm.
What is its volume?

Answers

Answer:

volume V = 314.159265 cm³

Step-by-step explanation:

By formula, Volume is = (1/3)πr²h

0.33×3.14×12×12×5

is = 314.159265 m3

Other info

radius r = 5 m

height h = 12 m

slant height s = 13 m

volume V = 314.159265 m3

lateral surface area L = 204.203522 m2

base surface area B = 78.5398163 m2

total surface area A = 282.743339 m2

there are 60 people in a class if 1/4 are absent how many peoples are presents

Answers

45 people are present

Explanation: 60x1/4=15
60-15=45

Write the equation of the line that passes through the points (-1, 3) and (-5, -3)

Answers

Answer:

[tex]y= \frac{3}{2}x+\frac{9}{2}[/tex]

Step-by-step explanation:

First find the slope: [tex]\frac{y_{2} - y_{1} }{x_{2} - x_{1} } = \frac{-3 - (3)}{-5-(-1)} = \frac{-6}{-4} = \frac{3}{2}[/tex]

Next use the point-slope fomula and one of the points to find the line:

[tex]y-y_{1} =m(x-x_{1} )[/tex] and the ordered pair (-1,3)

[tex]y-3=\frac{3}{2}(x-(-1))\\ y-3 = \frac{3}{2}(x+1)\\y-3=\frac{3}{2}x + \frac{3}{2}\\y=\frac{3}{2}x +\frac{3}{2}+3\\y = \frac{3}{2}x + \frac{9}{2}[/tex]

Kevin is 4 times as old as Daniel and is also 6 years older than Daniel.
How old is Kevin?

Answers

Answer:

kevin = 8 - hope this helped

:)

Step-by-step explanation:

Kevin = 4d  Kevin is 4 times as old as Daniel

Kevin = d + 6  Kevin is 6 years older than Daniel

4d = d + 6 They both equal K, so they are equal

3d = 6 subtracts D from both sides

d=6/3 = 2

If Daniel is 2 then Kevin is 4x2=8

If Daniel is 2 then Kevin is 2+6 = 8

Kevin is 8

Daniel is 2

Two tourist groups went to the local art museum. The admission for an adult ticket costs the same amount, and the admission for student ticket costs the same amount. The first tourist group paid $46.90 for 3 adult and 5 student admission tickets. The second tourist group paid $29.60 for 2 adult and 3 student admission tickets. What was the cost in dollars of each adult admission ticket?

Answers

Answer:

the cost in dollar of each adult admission ticket will cost $5.8

I really need help! Pls!

Answers

A1 is reflected across line x=-3. First option

Which expression is equivalent to (2^0 / 2^3) ^2
A 1/8
B 1/16
C 1/32
D 1/64

Answers

Answer:

D

Step-by-step explanation:[tex](\frac{2^0}{2^3})^2[/tex]

__________________________________

Calculate the power

[tex](\frac{1}{2^3})^2[/tex]

[tex](\frac{1}{8})^2[/tex]

[tex]\frac{1}{64}[/tex]

__________________________________

Determine true/false

[tex]Determine\ whether\ (\frac{2^0}{2^3})^2\ and\ \frac{1}{64}\ are\\ equivalent:[/tex]

[tex]True[/tex]

I hope this helps you

:)

For the function f(x)= √x-6 +1, find the inverse function.

Answers

Answer:

f^(-1) (x) = (x-1)²+6    x≥6

Step-by-step explanation:

y=√(x-6) +1 original for the inverse x and y switch places because you are rflecting the function over the line y=x

y=√(x-6) +1 now the job is solve for y by using inverse operations. Think about undoing the equation.

x-1=√(y-6) subtract 1

(x-1)²=y-6 square both sides of the equation

(x-1)²+6=y add 6 to both sides

x≥6 because we are only using real numbers and if x is less than 6 you get a negative number under the square root sign.

Solve for s. You must write your answer in fully simplified form.
-5s = -13

Answers

Hey there!

-5s = -13


DIVIDE -5 to BOTH SIDES

-5s/-5 = -13/-5

CANCEL out: -5/-5 because it give you 1

KEEP: -13/-5 because it help solve for the s-value

NEW EQUATION: s = -13/-5

SIMPLIFY IT!
s = 13/5


Therefore, your answer is: s = 13/5


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

Answer:

[tex]\boxed{\sf{s=\dfrac{13}{5} }}[/tex]

Step-by-step explanation:

Isolate the term of s from one side of the equation.

-5s=-13

First, you have to divide by -5 from both sides.

→ -5s/-5=-13/-5

Solve.

Divide the numbers from left to right.

→ -13/-5=13/5

[tex]\Longrightarrow: \boxed{\sf{s=\dfrac{13}{5} }}[/tex]

Therefore, the correct answer is s=13/5.

I hope this helps! Let me know if you have any questions.

1/9 divided by 1/8 in fraction form

Answers

Answer: 8/9

Step-by-step explanation: Math in the image

Mark plants 9 red rose bushes and 4 yellow rose bushes.What is the ratio of yellow rose bushes planted to the total number of roes bushes planted?

Answers

Answer:

4:13

Step-by-step explanation:

First as stated in the problem, mark is looking to find the ratio of Yellow rose bushes planted the Total amount of rose bushes planted; so therefor we must find the total amount of rose bushes planted first.

9+4 = 13.

13 will be our second number, since it is Yellow : total.

Then, we understand that mark plants 4 yellow rose bushes, so 4 is our first number.

Now; we can put our numbers together.

4 to 13 ; [tex]\frac{4}{13}[/tex] , or 4:13.

I really hope this helps! Have an amazing day!

Answer: There are a total of thirteen (13) rose bushes planted but specifically there are six (6) white, five (5) red, and two (2) yellow rose bushes.

Step-by-step explanation: I done it in my head to figure it out so, i hope this helps you have a good day love.

Shane and Damien are racing. Shane ran 8 miles in 4 hours. Damien ran 8 miles in 2 hours. How much faster did Damien run than Shane?
Damien ran 4 mph faster than Shane
Damien ran 2 mph faster than Shane
Damien ran 6 mph faster than Shane

Answers

The answer is 6 and 7 and 8
Damien ran 2 miles faster than Shane

Which classification best represents a triangle with side lengths 6 cm, 10 cm, and 12 cm? acute, because 62 102 < 122 acute, because 6 10 > 12 obtuse, because 62 102 < 122 obtuse, because 6 10 > 12

Answers

If the square sum of the perpendicular and base is less than the square of hypotenuse then the angle will be an obtuse angle. Then the correct option is C.

What is a Pythagoras theorem?

The Pythagoras is the sum of the square of two sides is equal to the square of the longest side. And it is given as

P² + B² = H²

A triangle with side lengths of 6 cm, 10 cm, and 12 cm.

We know that if the square sum of the perpendicular and base is greater than the square of hypotenuse then the angle will be an acute angle.

Ans if the square sum of the perpendicular and base is less than the square of hypotenuse then the angle will be an obtuse angle.

Then we have

6² + 10² < 12²

Then the angle will be an obtuse angle.

More about the Pythagoras theorem link is given below.

https://brainly.com/question/343682

Answer: C

Explanation: Obtuse, because 6^2+10^2<12^2

what is the area of the trapezoid

Answers

Step-by-step explanation:

A = 1/2*h(base + base)

First step, plug in your numbers:

1/2*(3)(5 + 9)

Add inside the parenthesis:

1/2*(3)(14)

Multiply 3 x 14:

1/2*(42)

Lastly, multiply:

A = 21 m^2

Hope this helps you :)

Hey Mate ,

In this particular question we have to find the area of a trapezoid.

The formula for finding the area is 1/2(a+b)h

Here ,

A :- 5m B :- 9m H :- 3m

Now putting all the values in the formula

Area :- 1/2(5+9)3

Area :- 21m²

Which classification best represents a triangle with side lengths 10 in., 12 in., and 15 in.? acute, because 102 122>152 acute, because 122 152>102 obtuse, because 102 122>152 obtuse, because 122 152>102

Answers

The triangle with side lengths of 10 in., 12 in., and 15 in. is acute because 10^2 + 12^2 > 15^2

What is the acute angle?

An acute angle is defined as the measure of an angle that is less than 90 degrees.

The side lengths of the triangles are 10, 12 and 15

The smallest side lengths are: 10 and 12

The sum of the squares of these side lengths is

[tex]10^2 + 12^2[/tex]

For the triangle to be acute, then the following must be true

[tex]10^2 + 12^2 > 15^2[/tex]

Evaluate the exponents

[tex]244 < 255[/tex]

The above inequality is true.

Hence, the triangle is acute because 10^2 + 12^2 > 15^2

Read more about triangles here;

brainly.com/question/17972372

Roman art differed slightly from the Greek style because it included __________ on sculpted and painted faces. A. Beards B. Eyebrows C. Expressions D. Imperfections Please select the best answer from the choices provided A B C D

Answers

Answer:

D imperfections

Step-by-step explanation:

i did the practice test:)

Answer:

The asnwer is D!^^

Step-by-step explanation:

What is the sum? startfraction 3 y over y squared 7 y 10 endfraction startfraction 2 over y 2 endfraction startfraction 5 over y minus 5 endfraction startfraction 5 (y 2) over (y minus 2) (y 5) endfraction startfraction 5 over y 5 endfraction startfraction 5 (y minus 2) over (y minus 5) (y 2) endfraction

Answers

The sum of the fraction expression is equal to 5/(y+5) then the correct option is C.

What is a fraction number?

A fraction number is a number that represents the part of the whole, where the whole can be any number. It is in the form of numerator and denominator.

The expression is given as

[tex]\rm \dfrac{3y}{y^2+7y+10} + \dfrac{2}{y+2}[/tex]

Then the sum of the expression is given as

[tex]\rm \rightarrow \dfrac{3y}{y^2+7y+10} + \dfrac{2}{y+2}\\\\\\\rightarrow \dfrac{3y}{(y+2)(y+5)} + \dfrac{2}{y+2}\\\\\\\rightarrow \dfrac{3y + 2(y+5)}{(y+2)(y+5)}\\\\\\\rightarrow \dfrac{5y+10}{(y+2)(y+5)}\\\\\\\rightarrow \dfrac{5(y+2)}{(y+2)(y+5)}\\\\\\\rightarrow \dfrac{5}{(y+5)}[/tex]

More about the fraction number link is given below.

https://brainly.com/question/78672

Answer:

C on edge 2022

Step-by-step explanation:

5/y+5

6 divided by 2 = n pls help

Answers

Answer:

n = 3

Step-by-step explanation:

2 goes into 6, 3 times

Find the measure of the missing angle of

Answers

73° + a = 180°

a = 180° - 73°
a = 107°

What is (2,1) rotated 90 degrees clockwise?

Answers

Answer:

(2,-1)

Step-by-step explanation:

It'd be moved into the 4th quadrant, which is +-

Answer:

It should be ( -1, 2) because it is rotated about -90 degrees.

Step-by-step explanation:

Brainliest Please

what is the area of a prism

Answers

Answer:

The area of prism is calculated by:(a+b)h/2

28.2
с
45.8
В
о
mzB =

Answers

Answer:

  31.6°

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the trig function relating the sides opposite and adjacent an acute angle in a right triangle. It tells you ...

  Tan = Opposite/Adjacent

__

The tangent of angle B is ...

  tan(B) = AC/CB

  tan(B) = 28.2/45.8

The angle is found from the tangent using the inverse tangent function.

  B = arctan(28.2/45.8) ≈ 31.621°

The measure of angle B is about 31.6°.

Can someone help with this please??

Answers

Answer:

that don't even make sense

The graph of f(x) = (0.5)x is replaced by the graph of g(x) = (0.5)x − k. If g(x) is obtained by shifting f(x) down by 5 units, then what is the value of k?

k equals one fifth
k = 5
k equals negative one fifth
k = −5

Answers

Answer:

k = 5

Step-by-step explanation:

Plugging in 5 for k turns out positive 5 into a negative 5 because of the negative sign in the function. When k is negative, then the graph moves down.


у
-8
6
2
2
A
х
-8
- 6
- 2
6
6
o
8
22
4
6
8
What is the range of the function graphed above?

Answers

Answer:

From the graph   range = (-inf, + inf)

Step-by-step explanation:

range is the y values that the graph can have

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