Factor completely 36x2− 121.

Answers

Answer 1
The expression 36x² - 121 is in the 'difference of two squares form' which is (a² - b²)

Factorising (a² - b²) gives (a+b)(a-b)

Factorising 36x² - 121 gives (6x+11)(6x-11)

Related Questions

if the apothem is 6.9 mm and a side length is 8 mm what is the area of the hexagon

Answers

hex = 6
draw it and draw lines from each corner to every other corner... you're left with 6 triangles
work out the area of one of these triangles from your question... area of hexagon = 6 x area of a triangle


Sandra calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle is it?
A
B
C
D

Answers

I think it's D. Hope this helps! Let me know if it's correct.
The answer is letter D. For Sure

1 over 111 as a decimal

Answers

1/111 = 0.009009009 (with 009 repeating)

Drive Down is a racing video game. The game gives each player an initial amount of $5,000 in virtual money. After that, a player gets $500 in virtual money for each race won. What function represents the amount of virtual money a player has in terms of the number of races won?
The independent quantity is the , and the dependent quantity is the _________ and the dependent quantity is the _________ The function representing the situation is _________

Answers

independent quantity (x) is number of races won
dependent quantity f(x)...or y is total virtual money
the function is : f(x) = 500x + 5000 or y = 500x + 5000

Answer:

The game gives each player an initial amount of $5,000 in virtual money. After that, a player gets $500 in virtual money for each race won. This $5000 is fixed.

Let the races won be x

So, the function that represents the amount of virtual money a player has in terms of the number of races won becomes :

[tex]f(x)=500x+5000[/tex]

The independent quantity (x) is : the number of races won

And the dependent quantity f(x) or y is : the total virtual money earned

3 on the outside, square root 1/5

Answers

i got 1.34 hope this helps 

To simplify 1/(5 + √3), multiply both numerator and denominator by the conjugate of the denominator, which is 5 - √3. This results in (5 - √3)/22, which is the simplified form of the expression.

The student has asked to evaluate the expression 1/(5 + √3). To simplify this expression, we can multiply both the numerator and the denominator by the conjugate of the denominator to get rid of the square root in the denominator. The conjugate of 5 + √3 is 5 - √3. So, we multiply the expression by (5 - √3)/(5 - √3).

The resulting expression after multiplication:

Numerator: 1 * (5 - √3) = 5 - √3Denominator: (5 + √3) * (5 - √3) which simplifies to 5² - (√3)² = 25 - 3 = 22

So our final answer after simplification is:

(5 - √3)/22

complete question given below:

Evaluate 1/(5+ square root of 3)

How many corners does a cube have? how many faces does a cube have? how many other cubes would share a given corner atom or face atom if several cubes were stacked side-to-side, front-to-back, and top-to-bottom?

Answers

How many corners does a cube have?
A cube is a 3-dimensional solid figure made by square faces. It would have 8 corners which connects the faces of the cube.

how many faces does a cube have?
There would be 6 faces in a cube

how many other cubes would share a given corner atom or face atom if several cubes were stacked side-to-side, front-to-back, and top-to-bottom?

If several of these cubes are being stacked side-to-side, front-to-back, and top-to-bottom, each corner would share a total of eight cubes. All of the corners would share a different cube. We have eight corners thus eight cubes.

A function is shown in the table.

x g(x)
−2 2
−1 −3
0 2
1 17

Which of the following is a true statement for this function?

a. The function is increasing from x = −2 to x = −1.

b. The function is increasing from x = 0 to x = 1.

c. The function is decreasing from x = −1 to x = 0.

d. The function is decreasing from x = 0 to x = 1.

Answers

The answer would be "the function is increasing from x = 0 to x = 1," because you can clearly see that it is increasing from 2 to 17. The other statements are false.

Only one statement is correct:

B ) The function is increasing from x = 0 to x = 1

Explanation: g ( 0 ) = 2, g ( 1 ) = 17,  2 < 17.

a basketball coach is purchasing 12 shirts for her team, each with a different number. at the checkout counter the clerk places 5 of the shirts in the first bag. how many different ways can a group of 5 shirts be placed in that first bag

Answers

60 different ways...
12 * 5

Answer:

792 ways

Step-by-step explanation:


What is a rule that describes the translation ABCD ⇒A' B' C' D'?

A. T <3,-2> (ABCD)
B. T <3,2> (ABCD)
C. T <2,-3> (ABCD)
D. T<-3,2> (ABCD)

A. IS WRONG

Answers

To go from A = (-3,3) to A' = (-6, 5) we need to
* step 1) move 3 units to the left
* step 2) move 2 units up

The movement in step 1 means x becomes x-3
The movement in step 2 means y becomes y+2

Put this together and (x,y) turns into (x-3, y+2)

That's the same as writing T<-3, 2> as choice D is saying

Answer: Choice D

Final answer:

The question seeks the correct translation rule for the movement of quadrilateral ABCD to A'B'C'D'. Translation in geometry involves moving a shape in a consistent direction and distance. Given option A is incorrect, and considering directionality, T <-3,2> (ABCD) is another possibility for the translation.

Explanation:

The question asks for the rule that describes the translation of quadrilateral ABCD to A'B'C'D'. A translation in geometry is a type of transformation that moves every point of a shape the same distance in the same direction. Since option A, which is T <3,-2> (ABCD), is given as incorrect, let's analyze the remaining options.

To determine the correct rule for translation, we need to look at the relative position of the original points and their corresponding points after the translation. For example, if point A were at (x,y) and A' is at (x+3, y-2), this would correspond to a translation of 3 units to the right and 2 units down, which is described by the vector <3, -2>.

Since option A is incorrect and we know that the transformation corresponds to a translation and not a reflection or rotation, let's consider the other options. Looking at option D, T <-3,2> (ABCD), this would imply that every point of quadrilateral ABCD is moved 3 units to the left (because of -3) and 2 units up (because of 2), which would be the reverse of what is described in option A.

Determine the type and number of solutions of 6x^2-7x-4=0
A. One real solution
B. Two real solution
C. Two imaginary solutions
D. One real solution and one imaginary solution

Answers

I think it is C-two real solution

If [tex] 300cm^{2} [/tex]300 cm of material is available to make a box with a square base and an open top, find the maximum volume of the box in cubic centimeters. Answer to the nearest cubic centimeter without commas. For example, if the answer is 2,000 write 2000.

Answers

check the picture below.  Recall, is an open-top box, so, the top is not part of the surface area, of the 300 cm².  Also, recall, the base is a square, thus, length = width = x.

[tex]\bf \textit{volume of a rectangular prism}\\\\ V=lwh\quad \begin{cases} l = length\\ w=width\\ h=height\\ -----\\ w=l=x \end{cases}\implies V=xxh\implies \boxed{V=x^2h}\\\\ -------------------------------\\\\ \textit{surface area}\\\\ S=4xh+x^2\implies 300=4xh+x^2\implies \cfrac{300-x^2}{4x}=h \\\\\\ \boxed{\cfrac{75}{x}-\cfrac{x}{4}=h}\\\\ -------------------------------\\\\ V=x^2\left( \cfrac{75}{x}-\cfrac{x}{4} \right)\implies V(x)=75x-\cfrac{1}{4}x^3[/tex]

so.. that'd be the V(x) for such box, now, where is the maximum point at?

[tex]\bf V(x)=75x-\cfrac{1}{4}x^3\implies \cfrac{dV}{dx}=75-\cfrac{3}{4}x^2\implies 0=75-\cfrac{3}{4}x^2 \\\\\\ \cfrac{3}{4}x^2=75\implies 3x^2=300\implies x^2=\cfrac{300}{3}\implies x^2=100 \\\\\\ x=\pm10\impliedby \textit{is a length unit, so we can dismiss -10}\qquad \boxed{x=10}[/tex]

now, let's check if it's a maximum point at 10, by doing a first-derivative test on it.  Check the second picture below.

so, the volume will then be at   [tex]\bf V(10)=75(10)-\cfrac{1}{4}(10)^3\implies V(10)=500 \ cm^3[/tex]

A 45 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1109.
Find the substances half-life in days. Round your answer to the nearest tenth.

Answers

The decay formula is
N(t) = N₀ exp(-kt)
where
N₀ = 45 g, original mass
N(t) = mass after time t, days
k = 0.1109, the decay constant.

At half life, N(t) = (1/2)*N₀. Therefore
1/2 = exp(-0.1109t)
Take natural log of each side.
ln(0.5) = -0.1109t

t = ln(0.5)/(-0.1109) = 6.25 days

Answer: 6.3 days (nearest tenth)
The decay formula is
N(t) = N₀ exp(-kt)
where
N₀ = 45 g, original mass
N(t) = mass after time t, days
k = 0.1109, the decay constant.

At half life, N(t) = (1/2)*N₀. Therefore
1/2 = exp(-0.1109t)
Take natural log of each side.
ln(0.5) = -0.1109t

t = ln(0.5)/(-0.1109) = 6.25 days

Answer: 6.3 days (nearest tenth)

In your own words, define each of the following terms. a. Whole number b. Digit c. Place value d. Rounded number e. Equals

Answers

The following terms are defined below:

a. Whole number, b. Digit, c. Place value, d. Rounded number, and e. Equals.

a. Whole Number: A whole number is a positive integer not having any fractional or decimal parts. Whole numbers include the set of natural numbers(non-negative integers) along with zero.

b. Digit:  A digit, in mathematics, means any of the numerical symbols used to denote numbers in the decimal numeral system.

c. Place value: Place values are the values of a digit in a number based on its position or place within that number. Based on powers of ten, in the decimal numeral system, each digit's position determines its place value.

d. Rounded number: An approximation of a numerical value having been adjusted or approximated to a certain level of precision or a specific place value is called a "rounded number".

e. Equals: Mathematically, the term "equals" is utilized to represent that two quantities or expressions have the same value. The equals sign (=) is a symbol used to indicate equality between two mathematical expressions.

Thus, the above terms are defined.

Learn more about whole numbers here:

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Final answer:

Whole numbers are counting numbers without fractions or decimals, digits are symbols used to represent numbers, place value is the value of a digit based on its position, a rounded number is simplified for ease of use, and equals shows that two quantities have the same value.

Explanation:

In the field of mathematics, the terms mentioned refer to basic concepts essential for understanding numbers and arithmetic operations.

a. Whole number

Whole numbers are the basic counting numbers starting from 0 and including all positive integers (1, 2, 3, ...). They do not include fractions, decimals, or negative numbers.

b. Digit

A digit is any one of the ten symbols used to write numbers. These symbols are 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

c. Place value

Place value refers to the value of a digit based on its position in a number. For instance, in the number 231.45, the place value of the digit '3' is tens, meaning it represents thirty.

d. Rounded number

A rounded number has been altered to a nearby, often simpler number. Rounding is done to make numbers easier to work with, especially when precision is not crucial.

e. Equals

The term 'equals' is used to signify that two quantities are the same in value, often represented by the symbol '='.

Of a group of students 5/8 of them are boys. The girls are put into groups so that each group has 1/6 of the total number of students. How many groups of girls are there?

Answers

I believe the answer is 9.

Find the missing terms in the following geometric sequence. -12,__,__, -324

Answers

y=ar^t

-324/-12=(ar^4)/(ar^1)

27=r^3

3=r

-12=a(3^1)

-12=3a

-4=a

y=-4(3^n)

y(2)=-36

y(3)=-108




Answer:

The nth term for the geometric sequence is given by:

[tex]a_n = a_1 \cdot r^{n-1}[/tex]

where,

[tex]a_1[/tex] is the first term

r is the common ratio of the terms.

As per the statement:

Given the sequence

-12,__,__, -324

here, [tex]a_1 = -12[/tex] and [tex]a_4 = -324[/tex]

Solve for r:

By definition we have;

[tex]a_4 = a_1 \cdot r^3[/tex]

⇒[tex]-324 = -12 \cdot r^3[/tex]

Divide both sides by -12 we have;

[tex]27 = r^3[/tex]

⇒[tex]r = \sqrt[3]{27} =\sqrt[3]{3^3} = 3[/tex]

We have to find the missing terms [tex]a_2, a_3[/tex]

[tex]a_2=a_1 \cdot r[/tex]

⇒[tex]a_2 = -12 \cdot 3 = -36[/tex]

[tex]a_3=a_1 \cdot r^2[/tex]

⇒[tex]a_2 = -12 \cdot 3^2 = -12 \cdot 9 = -108[/tex]

therefore, the missing terms in the following geometric sequence is,

-12,_-36_,_-108_, -324

In winter, the temperature in northern Wisconsin can be quite cold. When Lauren woke up this morning (6:00am) the temperature outside was -18°F. When she got home from school (4:00pm) the tempature outside was 4°F. What was the change in temperature from 6:00 am to 4:00 pm?

Answers

From 6 am to 4 pm the temp rose 22 degrees. Is that all you needed to know?

Simplify the expression below.

3 · -8 + 5 - 4 ÷ 2

-11.5
-21
-12.5
-27

Answers

-21 is your answer 
hope this helps!

Answer:

-21 I think

I hope i helped you!

What is the simplified form of the quantity of x plus 9, all over the quantity of x plus 1 + the quantity of x minus 2, all over 5

the quantity of x squared plus 4x plus 43, all over 5 times the quantity of x plus 1
the quantity of x squared plus 7x minus 18, all over 5 times the quantity of x plus 1
the quantity of x squared plus 7x minus 18, all over the quantity of x plus 6
the quantity of x squared plus 4x plus 43, all over the quantity of x plus 6

Answers

x + 9      x - 2
------  +  ------
x + 1        5

LCD = 5(x + 1) so we have

5(x + 9) + (x - 2)(x + 1)
------------------------------
          5(x + 1)

=  5x + 45 + x^2 - x - 2
     --------------------------
            5(x + 1)

=    x^2 + 4x + 43
      ------------------
          5(x + 1)

That is  A

Answer:

=    x^2 + 4x + 43

     ------------------

         5(x + 1)

Step-by-step explanation:


In the diagram, HGF is a straight line. Given EF = 4 cm and HG = GF = 3 cm, find :
(i) tan x
(ii) sin y

Answers

If HG and GF are both 3, then the whole length of the base is 6. The tan ratio is the side opposite the reference angle (length 4) over the side adjacent to the angle (length 6), which for us looks like this:
[tex]tan(x)= \frac{4}{6} = \frac{2}{3}=.6666667 [/tex]
Now use the inverse tan button (2nd-->tan) to get
[tex] tan^{-1} (.66667)=33.69[/tex]
As far as the sin y goes, you have to use the Law of Sines because you are not working with a right triangle in that case.  I mean you are as far as having to find out what the hypotenuses are triangle EFH and triangle EFG.  The hypotenuse in triangle EFH is 7.211, and the hypotenuse in triangle EFG is 5. Using the Law of Sines to solve for y, you get this:
[tex] \frac{siny}{7.211} = \frac{sin33.69}{5} [/tex]
Solving for y and using the inverse sin gives you that y = 53.12
If you are not familiar with setting up the Law of Sines, nothing I could tell you here would help. If you are familiar, then you get the idea of where the numbers came from and why they are set up that way. Hope that helps. That second part was quite hard.

Linear Function Graph. Express it in slope intercept form.

Answers

y=(1/3)x-4
I'm basing this off the points (0,-4) and (3,-3)
y = 1/3 -4 is the correct answer for y slope intercept

how much would $140 invested at 6% interest compounded monthly be worth after 15 years? round your answer to the nearest cent

Answers

$343.57 is your answer

The principle amount of $140 invested at a 6% rate of interest compounded monthly be worth after 15 years will be $340.

What is compound interest?

Compound interests are those interests where the principle amount always going to change.

For example, if you give $100 to anyone with 5% interest monthly then at the end of your month your value becomes $105 and this will become the principal amount.

Given that the principal amount is $140

P = $140

The rate of interest is 6%

r = 6%

Number of time period 15 years

t = 15

Now by compounding interest formula

A = [tex][1+r/100]^{t}[/tex]

By putting all value we get

A = [tex][1 + 6/100]^{15}[/tex]

A = $340 hence, $340 will be the total amount after 15 years.

For more information about compound interest.

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If a wheel with a radius of 70 inches spins at a rate of 600 revolutions per minute, find the approximate linear velocity in miles per hour.

Answers

This is the concept of speed:
ω=600 rev/min=600*2π rad/min=1200 rad/min
v=rω=70*1200π =84,000 in/min
converting the above in miles per hour we get:
84000 in/min
=(84000*1.6*10^(-5)*60)
=80.64 mph

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?

Answers

y + 1 = -3(x - 5)
y + 1 = -3x + 15
y = -3x + 15 - 1
y = -3x + 14 <== or f(x) = -3x + 14

Y+1= -3(x+5) in order to solve first write down the function, then find the current of the function.

Y+1=-3x-15 then this is the current of the function. Multiply the -3 times the X and the 5.

Y=-3x-14 finally this is the slope. To get the slope I added the 1 to the -15

Final answer= Y=3x+14

what is the sum of the geometric sequence -3, 18, -108,... if there are 7 terms?

Answers

The sum of the geometric series when the common ratio is less than 1 will be given by:
Sn=a(1-r^n)/(1-r)
from our sequence;
a=-3
r=-108/18=-6
n=7
thus the sum of the 7 terms will be:
S7=-3(1-(-6)^7)/(1-(-6))
S7=-3(1+279936)/(1+6)
S7=-3(279937)/7
S7=-119,973
the answer is -119,973

The area (A) of a circle with a radius of r is given by the formula A=pier^2 and its diameter (d) is given by d=2r. Arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

Answers

[tex]A= \pi r^2 \ \ \text{and} \ \ d=2r \ \ \to r= \frac{d}{2} \\ \\ A= \pi *( \frac{d}{2} )^2 \\ \\A= \frac{ \pi d^2}{4} \\ \\ 4A= \pi d^2 \\ \\ d^2= \frac{4A}{ \pi } \\ \\ d= \sqrt{ \frac{4A}{ \pi } } [/tex]

Final answer:

The diameter d of a circle can be expressed in terms of the area A by first solving the area formula A = πr^2 for r, giving r = √(A/π), and then substituting r into the diameter formula d = 2r, resulting in d = 2√(A/π).

Explanation:

To rewrite the formula for the diameter of a circle in terms of the area, we start with the given formula for area A = πr^2 and the equation for diameter d = 2r. Our aim is to express the diameter d solely in terms of the area A. To achieve this, we rearrange the area formula to solve for the radius r:

A = πr^2r^2 = A/πr = √(A/π)

Then, we substitute r into the diameter formula:

d = 2rd = 2√(A/π)

Thus, the diameter d can be expressed in terms of the area A as d = 2√(A/π).

what shows 23^2-17^2 being evaluated using the difference of perfect squares method

Answers

23^2 - 17^2
= (23-17)(23+17)
=  6 * 40
= 240
remember
a²-b²=(a-b)(a+b)

so
23²-17²=(23-17)(23+17)=(6)(40)=240

Marisol is making a rectangular wooden frame. She wants the length of the frame to be no more than 12 inches. She has less than 30 inches of wood to use. Which system of inequalities represents the possible length, l, and the possible width, w, that her frame could have?

l ≤ 12
2l + 2w < 30
l > 12
2l + 2w < 30
l ≤ 12
l + w < 30
l > 12
l + w < 30

Answers

l ≤ 12
2l + 2w < 30 
the second and fourth option are saying she can make the length longer than twelve and the third option forgets to double the length and width so it is accurate. The first option is the right answer.

Answer: (A) The first option is the right answer.

Step-by-step explanation:

l ≤ 12

2l + 2w < 30

Determine the slope and y-intercept of the line.
y =  5x + 4

a.
Slope = 4, y-intercept is (0, 5)
c.
Slope =  5, y-intercept is (0, 4)
b.
Slope = -5, y-intercept is (0, 4)
d.
Slope =  4, y-intercept is (0, -5)




 

Please select the best answer from the choices provided

A
B

Answers

*Hint: In order to determine the slope and y-intercept of these equations, the number combined with the x is the slope and the last number is the y-intercept.

The answer would be C. Slope = 5, y-intercept is (0,4)

Answer:

D

Step-by-step explanation:

Correct on A P E X

Evaluate the following algebraic expressions:1.) 40y-¹, y = 5 2.) 1/m-²(m + 4), m = -8 3.) (p² – 3)-², p = 14.) (x – 1)-² / (x + 1)-², x = 2 5.) y-³ – y-², y = 2

Answers

Perform the calculations as follows.

1. [tex]40y^{-1}, \, y=5.2[/tex]
 = 40*y = 40*5.2
 = 208

2. [tex] \frac{1}{m^{-2}} (m+4),\, m=-8[/tex]
 = m²(m+4)
 = (-8)²*(-8+4)
 = -256

3. (p² - 3)⁻², p=1
 = 1/(p² - 3)²
 = 1/(1 - 3)²
 = 0.25

4. [tex] \frac{(x-1)^{-2}}{(x+1)^{-2}}, \, x=2.5 [/tex]
 [tex]= \frac{(x+1)^{2}}{(x-1)^{2}} [/tex]
 = 3.5²/1.5²
 = 5.444

5. y⁻³ - y⁻², y=2
 = 1/y³ - 1/y²
 = 1/8 - 1/4
 = -1/8

NEED HELP!!!!!!!!!!!!!!!!!!!!!

Answers

The quadratic formula is -b plus minus the square root of b^2-4ac all over 2a.
Here, a=1, b=13, and c=30.
The only option that fills in the values correctly is D
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