Which of the following is the correct factorization of the polynomial below?
p³ -343q³
A. (p-49q) (p² +7pq+49q²)
B. (p-7q) (p² +7pq+49q²)
C. (p² +7q) (p³ +49pq+7q²)
D. The polynomial is irreducible.

Answers

Answer 1

Answer:

B

Step-by-step explanation:

a difference of cubes factors in general as

a³ - b³ = (a - b)(a² + ab + b²)

given

p³ - 343q³

= p³ - (7q)³ ← a difference of cubes , then

= (p - 7q)(p² + 7pq + 49q²) ← in factored form


Related Questions

Can someone pls help me with this​

Answers

The length has [tex]\frac{3.5}{0.5}=\boxed{7}[/tex]

The width has [tex]\frac{2.5}{0.5}=\boxed{5}[/tex]

The height has [tex]\frac{1.5}{0.5}=\boxed{3}[/tex]

SUPER EASY POINTS, i also need some clarification on this question... would i be correct?

Answers

Answer:

[tex]\bf \sf \dfrac{1}{3}[/tex]

Explanation:

Take points: (6, 2), (3, 1)

[tex]To \ find \ proportionality = \sf \dfrac{y_2-y_1}{x_2-x_1}[/tex]

Insert values

[tex]\rightarrow \sf \dfrac{1-2}{3-6}[/tex]

Simplify

[tex]\rightarrow \sf \dfrac{-1}{-3}[/tex]

Cancel out the negatives

[tex]\rightarrow \sf \dfrac{1}{3}[/tex]

Answer:

B) [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

When y varies directly with x, the relationship is [tex]y=kx[/tex] where [tex]k[/tex] is the constant of proportionality. Hence, [tex]k=\frac{y}{x}[/tex].

So, your answer would not be correct because you did [tex]\frac{x}{y}[/tex] instead of [tex]\frac{y}{x}[/tex], so the correct option would be the reciprocal, or [tex]\frac{1}{3}[/tex].

A Pythagorean triple is a set of three positive integers a, b, and c that satisfy the equation a² + b² = c².

The numbers 3, 4, and 5 are a Pythagorean triple because 3² + 4² = 5². Pythagorean triples are usually written in parentheses, such as (3, 4, 5) .

You can determine other Pythagorean triples by multiplying every number in (3, 4, 5) by the same positive integer. This creates similar triangles where the number you multiplied every triple by is the scale factor.

To create Pythagorean triples that are not similar to a triangle with side lengths of 3, 4, and 5, follow these steps.

Choose two positive integers, m and n, where m>n .
Determine a using a=m2−n2 .
Determine b using b=2mn .
Determine c using c=m2+n2

.
Write the triple (a, b, c) .

a. What Pythagorean triple results when m = 3 and n = 2? Explain.

b. Determine two other Pythagorean triples by multiplying every triple in part a by the same number.

c. Choose your own values for m and n. What Pythagorean triple results? Explain.

Answers

Answer:

Step-by-step explanation:

(3k,4k,5k)

sea k=2

la terna es:

(6,8,10)

sea k=5

la terna sería:

(15,20,25)

maxine earns $1250 dollars a month. whats is the maximum amount she should use for budget for housing?

show your work so I know how to do this

Answers

Answer:

The National Housing Act of 1937 established guidelines for maximum rents for low-income families.  Originally the maximum rent threshold was set at 20%, however this increased to 30% in 1981 (and has remained at this level ever since).  This figure is used to determine how much of your gross monthly income you should spend on rent.

The 28% Rule is used for determining how much of your gross monthly income should be used for a mortgage, however the FHA's threshold is a little higher at 31% of your gross monthly income on a mortgage.

Renting:

30% of $1,250 = 0.3 × 1250 = $375

Mortgage 28% Rule:

28% of $1,250 = 0.28 × 1250 = $350

Mortgage 31% FHA:

31% of $1,250 = 0.31 × 1250 = $387.50

Therefore, discounting the higher FHA's threshold, the maximum amount to budget for housing is:

$375 (if renting)$350 (if buying)

If (1, 0) is an ordered pair of the function F(x), which of the following is an
ordered pair of the inverse of F(x)?

Answers

If the ordered pair (1, 0) represents the function F(x), then the ordered pair (0, 1) represents the inverse of F(x). Option A is correct.

What is a function?

A connection between independent variables and the dependent variable.is defined by the function.

The complete question is

"If (1,0) is an ordered pair of the function f(x), which of the following is an ordered pair of the inverse of f(x)?

A. (0,1)

B. (0,0)

C. (1,0)

D. (1,1)"

Functions help to represent graphs and equations. A function is represented by the two variables one is dependent and another one is an independent function.

The relation between them is shown as y if dependent and x is the independent variable.

If the ordered pair (1, 0) represents the function F(x), then the ordered pair (0, 1) represents the inverse of F(x).

F(x)∈ (1, 0)

F⁻¹(x)(0, 1)

Hence, option A is correct.

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I really need help with this

Answers

The answer is B, the second choice.

how do you Simplify this question (5q4)(9q6) =

Answers

Answer:

45q^10

Step-by-step explanation:

First, we can separate the equation to make it simpler to understand.

5*q^4*9*q^6

Then we group terms that we can multiply:

(5*9)*(q^4*q^6)

Then we simplify

45*q^10

45q^10

PLEASE HELP

State the coefficient of the variable and the exponent on the variable for this expression: x/5 (this is supposed to be vertical but I don't know how to do that)

Answers

For the given relation, the coefficient is (1/5) and the exponent is 1.

Which are the coefficient and the exponent of the variable?

For a relation of the form:

[tex]y = a*x^n[/tex]

a is the coefficient and n is the exponent.

In this case, we have:

[tex]y = \frac{x}{5}[/tex]

This can be rewritten to:

[tex]y = \frac{1}{5}*x^1[/tex]

So we can see that the coefficient is (1/5), and the exponent is 1.

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PLSS ANSWER MY QUESTION

IN THE PICTURE

☞ NONSENSE ANSWER REPORT ☜
☞ WRONG ANSWER REPORT ☜
☞CORRECT ANSWER ☜ ➣ brainlist or follow


Answers

Answer:

1) Area of frame: [tex]140cm^2[/tex] ; Area of picture: [tex]40cm^2[/tex] ; Total Area: [tex]180cm^2[/tex].      

2) Area 1 =  [tex]48cm^2[/tex] ; Area 2 = [tex]12cm^2[/tex] ; total area = [tex]60cm^2[/tex] [first answer line : [tex]60cm^2[/tex]]

Step-by-step explanation:

1. So to answer this question, you have to find the inner photo area first (which you will then subtract from the overall rectangle area to get the photo frame area).

To find area, you multiply length x width. For this question, there are not enough measurements given to initially multiply length and width. So, assuming that the photo is centered on the frame and the frame width is consistent along all sides, you find the difference between the overall length (12) and the picture length (5).

12 - 5 = 7

The leftover area (outside of the picture) is 7 cm (half of seven on both sides), so one side can be assumed to be : 3.5 cm

this means that 15 cm - 3.5 cm of both sides lengths (difference between the two lengths given) is the height of the photo, 15 - 3.5(2) = 8

So, the dimensions/measurements of the photo are 5 cm by 8 cm.

This means that the inner photo area is 40 (5 x 8) cm

The area of the frame will be the area of the total rectangle [12 x 15] - the inner photo area [40].  [ (12)(15) - 40 ]

[180 - 40] = 140 cm

(area is measured in squared units, so the area of the frame should be written as [tex]140cm^{2}[/tex] ; and the area of the photo should be written as [tex]40cm^{2}[/tex])

The total area is the entire area of the rectangle: (12)(15) = 180. (This should be written as [tex]180cm^2[/tex])

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

2) Finding the area of a shape that isn't a simple rectangle is easier if you separate the shape into smaller rectangles. I will separate the two rectangles into 4 x 12 and 2 x 6 [6 cm would be the remaining side length if you remove the length of 4].

{you can separate the shape in multiple ways, so my answer is only one answer to this problem out of other splits.}

as mentioned, the area is length x width.

4 x 12 = 48.

2 x 6 = 12. Once again, you should write area in squared units.

(the area 1 should be written as [tex]48cm^{2}[/tex] ; the area 2 should be written as [tex]12cm^2[/tex])

you can combine the separated areas (add them) to find the total area. 48 + 12 = 60.

(the total area should be written in squared units also, so the total area should be written as: [tex]60cm^2[/tex])

The area of the figure is [tex]60cm^2[/tex]

Which expression is equivalent to -1/2 (1/4 x - 3/8). SHOW WORK

Answers

Hey there!


-1/2 (1/4 * - 3/8)

= -1/2(1/4)(-3/8)

= -1/2(-3/32)

= 3 / 64


Therefore, your answer should be:

3/64


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

Answer this for me please?

Answers

The volume of the rectangular prism is exactly (3/8) of a cubic inch.

How to get the volume of the rectangular prism?

Remember that for a rectangular prism of height H, length L, and width W, the volume is:

V = H*L*W

In this case, we have:

H = 1 inL = (3/4) inW = (1/2) in.

Then the volume of the rectangular prism is given by:

[tex]V = (1 in)*(\frac{3}{4} in)*(\frac{1}{2} in)= \frac{3}{4*2} in^3 = \frac{3}{8} in^3[/tex]

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What is P(greater than 8)?

Answers

Answer:

Yes

Step-by-step explanation:

The sum must be greater than 8 it can't be 7 anyway. Sums can be 9, 10 or 12. P = (4+3+1)/36 = 3/36

The probability of rain on the last day of July is 95 % . If the probability remains constant for the first seven days of August , what is the probability that it will rain at most two of those seven days in August ? Find the Mean , Standard Deviation , and Variance .

Answers

The probability that it rains at most 2 days is 0.00005995233 and the variance is 0.516

The probability that it rains at most 2 days

The given parameters are:

Number of days, n = 7Probability that it rains, p = 95%Number of days it rains, x = 2 (at most)

The probability that it rains at most 2 days is represented as:

P(x ≤ 2) = P(0) + P(1) + P(2)

Each probability is calculated as:

[tex]P(x) = ^nC_x * p^x * (1 - p)^{n - x}[/tex]

So, we have:

[tex]P(0) = ^7C_0 * (92\%)^0 * (1 - 92\%)^{7 - 0} = 0.00000002097[/tex]

[tex]P(1) = ^7C_1 * (92\%)^1 * (1 - 92\%)^{7 - 1} = 0.00000168821[/tex]

[tex]P(2) = ^7C_2 * (92\%)^2 * (1 - 92\%)^{7 - 2} = 0.00005824315[/tex]

So, we have:

P(x ≤ 2) =0.00000002097 + 0.00000168821 + 0.00005824315

P(x ≤ 2) = 0.00005995233

Hence, the probability that it rains at most 2 days is 0.00005995233

The mean

This is calculated as:

Mean = np

So, we have:

Mean = 7 * 92%

Evaluate

Mean = 6.44

Hence, the mean is 6.44

The standard deviation

This is calculated as:

σ = √np(1 - p)

So, we have:

σ = √7 * 92%(1 - 92%)

Evaluate

σ = 0.718

Hence, the standard deviation is 0.718

The variance

We have:

σ = 0.718

Square both sides

σ² = 0.718²

Evaluate

σ² = 0.516

This represents the variance

Hence, the variance is 0.516

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NO LINKS!! Find the indicated measure for each circle shown. Round answers to the nearest tenth. ​

Answers

Problem 13

x = central angle = 360-105 = 255 degrees

r = 8 = radius

A = sector area

A = (x/360)*pi*r^2

A = (255/360)*pi*8^2

A = 142.41887

I used the calculator's stored value of pi to get the most accuracy possible.

Round that decimal value however you need to. The same applies to the other questions as well.

Answer: Approximately 142.41887 square inches

========================================================

Problem 14

x = central angle = 114 degrees

r = radius = unknown

A = sector area = 36 square cm

A = (x/360)*pi*r^2

36 = (114/360)*pi*r^2

36*(360/114) = pi*r^2

113.68421 = pi*r^2

r^2 = 113.68421/pi

r^2 = 36.18681

r = sqrt(36.18681)

r = 6.015547

Answer: Approximately 6.015547 cm

========================================================

Problem 15

x = area of the full circle

The pizza slice shown has an area of 49 square meters.

This is 68/360 of a full circle, which means,

sector area = (68/360)*(full circle area)

49 = (68/360)*x

x = 49*(360/68)

x = 259.41176

Answer: Approximately 259.41176 square meters

Answer:

13)  142.4 in²

14)  6.0 cm

15)  259.4 m²

Step-by-step explanation:

Formula

[tex]\textsf{Area of a sector of a circle}=\left(\dfrac{\theta}{360^{\circ}}\right) \pi r^2[/tex]

(where r is the radius and [tex]\theta[/tex] is in degrees)

Question 13

Given:

r = 8 in[tex]\theta[/tex] = 360° - 105° = 255°

Substitute the given values into the formula and solve for A:

[tex]\implies \textsf{Area}=\left(\dfrac{255^{\circ}}{360^{\circ}}\right) \pi 8^2[/tex]

[tex]\implies \textsf{Area}=\dfrac{136}{3} \pi[/tex]

[tex]\implies \boxed{\textsf{Area}=142.4\: \sf in^2 \:(nearest\:tenth)}[/tex]

Question 14

Given:

Area = 36 cm²[tex]\theta[/tex] = 114°

Substitute the given values into the formula and solve for r:

[tex]\implies 36=\left(\dfrac{114^{\circ}}{360^{\circ}}\right) \pi r^2[/tex]

[tex]\implies \dfrac{36 \cdot 360}{114 \pi}=r^2[/tex]

[tex]\implies r^2=\dfrac{2160}{19 \pi}[/tex]

[tex]\implies r=\sqrt{\dfrac{2160}{19 \pi}}[/tex]

[tex]\implies \boxed{r=6.0\: \sf cm\:(nearest\:tenth)}[/tex]

Question 15

Given:

Area = 49 m²[tex]\theta[/tex] = 68°

Substitute the given values into the formula and solve for r²:

[tex]\implies 49=\left(\dfrac{68^{\circ}}{360^{\circ}}\right) \pi r^2[/tex]

[tex]\implies \dfrac{49 \cdot 360}{68 \pi}= r^2[/tex]

[tex]\implies r^2=\dfrac{4410}{17 \pi}[/tex]

[tex]\textsf{Area of a circle} = \pi r^2[/tex]

[tex]\implies \textsf{Area of a circle N} =\dfrac{4410}{17 \pi} \cdot \pi[/tex]

[tex]\implies \textsf{Area of a circle N} =\dfrac{4410}{17}[/tex]

[tex]\implies \boxed{\textsf{Area of a circle N} =259.4\: \sf m^2\:(nearest\:tenth)}[/tex]

What is 60/50 as a percentage?

Answers

what is 60/50 as a percentage?
it would be 120

Answer: Heyaa!  :))

60/50 as a percentage is.. 120%

Step-by-step explanation:

Solution and how to convert 60 / 50 into a percentage                        1.2 times 100 = 120.

Hopefully this helps you! ~

Suppose you make $1500 at your summer job and you decide to invest this money in a savings account that
pays interest at an annual rate of 5.5% compounded continuously. How many dollars will be in the account
after 5 years?

Answers

Answer:

$1912.50

Step-by-step explanation:

5.5% of $1500 is 82.50

so 82.50×5(years)

=412.5 + 1500

=1912.50

Answer:

You will need this formula

Total = Principal * e ^ (rate * years)

where 'e' equals 2.718281828459

Total = 1,500 * 2.718281828459 ^ (.055 * 5)

Total = 1,500 * 2.718281828459 ^ (.275)

Total = 1500 * 1.31653067486762

Total = 1,974.80

formula www.1728.org/rate2.htm

Calculator located here: https://www.1728.org/compint.htm

Step-by-step explanation:

i need helppp with this question

Answers

G/5 - H is the same as 20/5 - 2 = 2, because 20/5 is 4 and 4 - 2 = 2. Hope this helps!

Answer:

2

Step-by-step explanation:

g/5 - h is equal to 20/5 - 2

equal to 20 divided by 5 is equal to 4(20÷5=4)

then 4minus h which is 4- 2 =2

therefore the answer is 2

I hope this helps you

What is the area of the hexagon?
5m
4 m
4 m
12 m
5m
60 m ²
120 m 2
106 m ²
68 m 2

Answers

Answer:

68 square meters

Step-by-step explanation:

The hexagon is made up of two trapezoids. Use the formula to find the area of each trapezoid then add those two areas together.

Area of a trapezoid (add the two bases together, multiply by the height then divide by 2):

[tex]A = \frac{1}{2} (b_{1}+b_{2})h[/tex]

Top trapezoid:

[tex]A = \frac{1}{2} (5 + 12)4\\A = \frac{1}{2} (17)4\\A= \frac{1}{2} (68)\\A = 34[/tex]

Bottom trapezoid (identical to the top trapezoid):

[tex]A = \frac{1}{2} (5 + 12)4\\A = \frac{1}{2} (17)4\\A= \frac{1}{2} (68)\\A = 34[/tex]

Add the areas together:

34 + 34 = 68

jackie decided to open a restaurant. she borrowed 25000 for 5 years. after 5 years, she had paid back 35000. what was her simple i terest rate​

Answers

The simple interest rateis 8% if the Jackie decided to open a restaurant. She borrowed 25000 for 5 years. After 5 years, she had paid back 35000.

What is simple interest?

It is defined as the interest on the based on the principal amount, it does not include the compounded amount. The interest calculate on the initial amount or borrowed amount.

We have:

Jackie decided to open a restaurant. She borrowed 25000 for 5 years. After 5 years, she had paid back 35000.

We know the formula for simple interest is:

A = p(1 + rt)

We have A(final amount) = 35000

P(initial amount0 = 25000

t(time)  = 5 years

35000 = 25000(1 + 5r)

1.4 = 1 + 5r

0.4 = 5r

r = 0.08 or

r = 8%

Thus, the simple interest rateis 8% if the Jackie decided to open a restaurant. She borrowed 25000 for 5 years. After 5 years, she had paid back 35000.

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Question 4 of 10
Which of the following is most likely the next step in the series?

A.
B.
C.
D.

Answers

The answer is D to the next step
The answer is D because it makes the most sense :)

Solve √x-1= x-3. Check for extraneous solutions.
A.No solution
B.x=2,5
C.x=5
D.x=2

Answer is C x=5

Answers

Step-by-step explanation:

so, "- 1" is also part of the square root ?

sqrt(x - 1) = x - 3

it is clear that for any value x < 1 we have no solution in R (as this makes the argument of the square root negative, and there is so real number solution for the square root of negative numbers).

now square the whole equation.

x - 1 = (x - 3)² = x² - 6x + 9

x² - 7x + 10 = 0

the general solution for quadratic equations is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 1

b = -7

c = 10

x = (7 ± sqrt(49 - 4×1×10))/(2×1) =

= (7 ± sqrt(49 - 40))/2 = (7 ± sqrt(9))/2

x1 = (7 + 3)/2 = 10/2 = 5

x2 = (7 - 3)/2 = 4/2 = 2

x2 is probably (given the answer options) not a valid solution for the original problem, as it represents the negative solution of sqrt(x - 1).

sqrt(2 - 1) = 2 - 3

± 1 = -1

remember, every square root has always 2 solutions : a positive and a negative one.

your teacher clearly only wanted the positive solution, which is x1 = 5.

so, yes,

C. x = 5

is the correct answer.

but please send your teacher my regards and comments. he/she has to state that only the positive solution to the square root is required/allowed.

because, formally, also x = 2 is a valid solution.

and therefore, C. AND D. are correct answers !!!!

Instructions: Given the figure, what is the
angle of rotational
symmetry?
Rotation:
o

Answers

Answer:

The angle of rotational symmetry is 4

Can someone at lest help me with the 2nd question a) b) and c) PLEASE AND THANKYOU

Answers

The ratio of May's age to Lilian's age is 3 : 2. The ratio of Lilian's age to the total age is 2 : 5. Lilian's age is 10 and May's age is 15. The ratio of the mass of potatoes and the mass of both ingredients is 5 : 7. The fraction of  potatoes to the total mass of both ingredients is 5/7. The total mass of both ingredients is 21 kilograms.

What are the ages of Lilian and May?

Let May's age be represented with m

Lilian's age 2/3m

Ratio of May's age to Lilian's age = m : 2/3m

Multiply both sides by 3 : 3  : 2

Ratio of Lilian's age their total age: 2 : 5

Lilian's age = 2/5 x 25 = 10 years

May's age = 3/5 x 25 = 15 years

What is the total mass of both ingredients?

Let the mass of carrots be represented with c

The mass potatoes would be represented with 5/2c

Ratio of carrots to potatoes : 2 : 5

Ratio of the mass of potatoes to the total mass : 5 : 7 = 5/7

Mass of carrots = 5/2c - c = 9

3/2c = 9

3c = 18

c = 6

Mass of potatoes = 5/2 x 6 = 15

Total mass = 15 + 6 = 21 kilograms

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Which rational number represents the number of months that Callie has to pay off the bill? what does the sign on the number mean?

Answers

Callie will have $104.12 less than what she earned each month.

What are Rational Numbers ?

A number which can be represented in the form p/q where q ≠ 0 are called Rational Numbers.

The complete question is

Callie was billed $416.48 for car repairs. She will pay the service center in 4 equal monthly installments from her bank account.

What is the net change in her bank account balance after each monthly payment? The net change to Callie’s bank account is -$416.48.

The negative sign indicates money leaving Callie’s account. Which rational number represents the number of months that Callie has to pay off the bill? What does the sign on the number mean?

Write an expression to represent the net change to Callie’s account balance each month.

The number of months Callie has to pay the bill is for 4 months, as there are 4 equal installments

The net change in account in Callie's Account balance each month is

-$416.48  / 4 = -$104.12.

The (-) sign indicate the reduction of the net balance from her account.

Callie will have $104.12 less than what she earned each month.

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3. The diagonal of a rectangular field is 169 m. Ifthe ratio of the length to the width is 12:5, find the: (a) (b) dimensions; perimeter of the field.​

Answers

The dimensions of the rectangle are length 156 m and a width of 65m, and a perimeter P = 442m

How to find the dimensions of the rectangle?

For a rectangle of length L and width W, the diagonal is:

[tex]D = \sqrt{L^2 + W^2}[/tex]

Here we know that the diagonal is 169m.

And the ratio of the length to the width is 12:5

This means that:

W = (5/12)*L

Replacing all that in the diagonal equation:

[tex]169 = \sqrt{((5/12)^2*L^2 + L^2} \\\\169^2 = (25/144)*L^2 + L^2 = ( 25/144 + 1)*L^2\\\\\frac{169}{\sqrt{25/144 + 1} } = L = 156[/tex]

So the length is 156 meters, and the width is:

W = (5/12)*156 m = 65m

Finally, the perimeter is:

P = 2*(L + W) = 2*(156 m + 65m) = 442m

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if you wanted to make the graph of y=6x+7 less steeps which equation could you use

Answers

Answer:

[tex]y = mx + b[/tex]

≡ For instance, I have the equation, y = 9x + 5, and I must find the slope. The slope is 9, because 9 is in the m area of the equation, making these equations easier to determine and have less steps than before.

a 2 gallon container of window cleaner costs $11.52. what is the price per cup?

Answers

Answer:

$0.36

Step-by-step explanation:

To convert between gallons, quarts, pints, and cups it can be helpful to memorize this:

2 Cups in a Pint

2 Pints in a Quart

4 Quarts in a Gallon

We can work backwards using this, finding that there are 4 quarts in a gallon, 8 pints in a gallon, and 16 cups in a gallon.

Since we have 2 gallons, we must multiply the number of cups by 2 to get 32 cups in 2 gallons.

Now we can solve for the price per cup by dividing the cost of all 2 gallons by how many cups are in it (32.)

$11.52 / 32 = $0.36

That is the answer

- Kan Academy Advance

Please help me, will give 20 points

Answers

Answer: 64

Step-by-step explanation:

[tex]10x+8+5x-4=12x+16\\15x+4=12x+16\\3x+4=16\\3x=12\\x=4\\\\LN=12(4)+16=\boxed{64}[/tex]

What represents vector t = –5i + 12j in trigonometric form?

t = 13 ❬cos 67.38°, sin 67.38°❭
t = 13 ❬sin 67.38°, cos 67.38°❭
t = 13 ❬cos 112.62°, sin 112.62°❭
t = 13 ❬sin 112.62°, cos 112.62°❭

Answers

The representation of the vector in trigonometry form is t = 13 ❬cos 112.62°, sin 112.62°❭

Complex number

The representation of complex number in polar form is expressed as;

y = r(cosФ + isinФ)

where;

r is the modulus

Ф is the argument

Given the vector t = –5i + 12j, the modulus of the vector is given as;

r = √(-5)²+(12)²

r = √25 + 144

r = √169

r = 13

Determine the angle between the vectors

Ф = arctan(-12/5)

Ф = -67.38

Since tan is negative in the second quadrant, hence;

Ф = 180 - 67.38

Ф = 112.62°

The representation of the vector in trigonometry form is t = 13 ❬cos 112.62°, sin 112.62°❭

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Which of the following is an example of a quadratic equation?
OA. x²-64-0
OB. y - 4x+6
O C. y6
OD. x+10=33
ASAP PLS

Answers

Answer:

A

Step-by-step explanation:

hope this help

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