PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS IM BEGGUNG YOU

Answer:

Step-by-step explanation:

Occurrence                 Year seen          Difference

1                                      1949                       -  

2                                     1956               1956 - 1949 = 7

3                                     1963               1963 - 1956 = 7

4                                     1970                1970 - 1963 = 7

Difference between each successive term of year seen = 7 years

Therefore, there is a common difference of 7 years between each successive term.

Function defining the year seen will be a linear function and will increase in the same pattern. (multiple of 7 years)

2017 - 1970 = 47 (It's not the multiple of 7)

2018 - 1970 = 48 (It's not the multiple of 7)

2019 - 1970 = 49 (multiple of 7)

2020 - 1970 = 50 (It's not the multiple of 7)

Therefore, comet will be seen next in 2019.

Option (C) will be the answer.

If a person is born in 2005

Then difference between 2005 and 1949 = 56 years

Number of times comet seen after 1949 = \(\frac{56}{7}=8\) times

Total number of comet seen in the lifetime = 8 times

Answer:

(x, y) = (3, 5/2)

Step-by-step explanation:

\(4x+2y=17\\3x+2y=14\)

I'll solve by elimination here. If you invert the second equation and add it to the first, 2y and -2y would cancel out.

\(4x+2y=17\\-(3x+2y=14)\)

Now just add those from top to bottom.

\(\rightarrow (4x-3x)+(2y-2y)=17-14\\\rightarrow x=3\)

Nothing else needs to be done for that part. Now, you can pick either equation and use the known value of x to solve for y.

\(4x+2y=17\\\rightarrow 4(3)+2y=17\\\rightarrow 12+2y=17\\\rightarrow 2y=5\\\rightarrow y=\frac{5}{2}\)

(x, y) = (3, 5/2)

Answer:

A= 100 + 20π. or 162.832

Step-by-step explanation:

you first need to find the radius of the half circles with would be half of 10

so r = 5

and the circumstance equation is

c = 2πr

c = 2π(5)

c=10π

but circumference is calculating for a whole circle and you have 4 half circles. 4 half circles make 2 full circles.

2(10π)= 20π

now find the area of the square

10 × 10 = 100

put them together

100 + 20π

Answer:

There would be 20 gallons in her pool

Step-by-step explanation:

alison, beatrice and chole each of them have at first 56, 8, 32 books.

alison, beatrice and chole each had some books. alison gave beatrice and chole some books that doubled the number of books they had, lastly chole gave alison and beatrice some books that doubled the number of books they had. each of them had 32 books at the end.

Working backward is process in which calculation done in reverse direction.

let alison, beatrice and chole has x,y and z books initially,

alison gave beatrice and chole some books that doubled the number of books they had
alison, beatrice and chole has (96-2y-2z), (2y) , (2z)
chole gave alison and beatrice some books that doubled the number of books they had. each of them had 32 books at the end.

alison, beatrice and chole has 2(96-2y-2z), 2(2y) , (96-2(96-2y-2z)-4y)

at the end,
beatrice = 32

4y=32

y = 8

chole =32

96-2(96-2y-2z)-4y)=32
z=32

alison = 96-y-z

x=96-8-32
x=56

Thus the required alison, beatrice and chole each of them have at first 56, 8, 32 books.

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Answer:

The answer to ((-5) - 9+ (7+(-6)))*(-4) is 52

\(\sf Answer: \)

\(52\)

\(\sf Step-By-Step~ Explanation: \)

\(Equation\)

\(((-5) - 9 + (7+(-6))) \times (-4)\)

\(Subtract~~9~~and~~-5 = -14.\)

\((-14 + 7 - 6)~(-4)\)

\(Add~~-14~~and~~7 = -7\)

\((-7-6)~(-4)\)

\(Subtract~~6~~and~~-7 = -13\)

\(-13~(-4)\)

\(Lastly,~~multiply~~-13~~and~~-4 = 52\)

\(52\)

\(\huge\boxed{\sf Answer \ 52}\)

Answer:

length=50m

width=25m

Step-by-step explanation:

perimeter is the distance all round,hence

2(l+w)=2(2x+x)=

4x+2x=6x=150

6x=150x

x=25

l=50m

w=25m

Answer:

What is the slope of the line through (-5,-10)(−5,−10)left parenthesis, minus, 5, comma, minus, 10, right parenthesis and (-1,5)(−1,5)left parenthesis, minus, 1, comma, 5, right parenthesis?

Step-by-step explanation:What is the slope of the line through (-5,-10)(−5,−10)left parenthesis, minus, 5, comma, minus, 10, right parenthesis and (-1,5)(−1,5)left parenthesis, minus, 1, comma, 5, right parenthesis?

The value of R100−L100, which is the difference of the Right Riemann sum and the Left Riemann sum using 100 rectangles to estimate the (signed) area under the function f(x)=7x on [0, 10], is 70.

To find the value of R100−L100, we need to calculate the Right Riemann sum and the Left Riemann sum separately and then take their difference.

The width of each rectangle is given by Δx = (b-a)/n = (10-0)/100 = 0.1, where n is the number of rectangles used.

The height of each rectangle for the Right Riemann sum is given by the value of f(x) at the right endpoint of the subinterval, which is x_i+1 = a + (i+1)Δx, where i = 0, 1, 2, ..., n-1.

Thus, the Right Riemann sum is given by:

R100 = f(x1)Δx + f(x2)Δx + ... + f(x100)Δx

= 7(0.1) + 7(0.2) + ... + 7(10)

= 7(0.1 + 0.2 + ... + 10)

= 7(0.1)(1 + 2 + ... + 100)

= 7(0.1)(5050)

= 3535

Similarly, the height of each rectangle for the Left Riemann sum is given by the value of f(x) at the left endpoint of the subinterval, which is x_i = a + iΔx, where i = 0, 1, 2, ..., n-1.

Thus, the Left Riemann sum is given by:

L100 = f(x0)Δx + f(x1)Δx + ... + f(x99)Δx

= 7(0) + 7(0.1) + ... + 7(9.9)

= 7(0 + 0.1 + ... + 9.9)

= 7(0.1)(0 + 1 + ... + 99)

= 7(0.1)(4950)

= 3465

Therefore, the difference between the Right Riemann sum and the Left Riemann sum is:

R100−L100 = 3535 - 3465 = 70

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's' and 't' represent free parameters that can take on any real values.

In the given system of equations:

x1 - x2 + 4x3 = -4

6x1 - 5x2 + 7x3 = -5

3x1 - 39x3 = 45

To solve this system, we can use the method of Gaussian elimination or matrix operations. Let's use Gaussian elimination:

Step 1: Write the augmented matrix for the system:

[1 -1 4 | -4]

[6 -5 7 | -5]

[3 0 -39 | 45]

Step 2: Perform row operations to transform the matrix into row-echelon form:

R2 = R2 - 6R1

R3 = R3 - 3R1

The updated matrix becomes:

[1 -1 4 | -4]

[0 1 -17 | 19]

[0 3 -51 | 57]

Step 3: Perform additional row operations to further simplify the matrix:

R3 = R3 - 3R2

The updated matrix becomes:

[1 -1 4 | -4]

[0 1 -17 | 19]

[0 0 0 | 0]

Step 4: Write the system of equations corresponding to the row-echelon form:

x1 - x2 + 4x3 = -4

x2 - 17x3 = 19

0 = 0

Step 5: Express the variables in terms of a parameter:

x1 = s

x2 = 19 + 17s

x3 = t

where s and t are parameters.

Therefore, the solution to the system is:

[x1] = [s]

[x2] = [19 + 17s]

[x3] = [t]

In the provided solution format:

[x1] = [s] []

[x2] = [19 + 17s] + s []

[x3] = [t] [__]

Here, 's' and 't' represent free parameters that can take on any real values.

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Step-by-step explanation:

Aaron had 72 beads

Bessy had 60 beads

Carl had 46 beads

Dawn had 22 beads

Answer:

No

Step-by-step explanation:

She would be able to fit 729 cubes but not 1000.

The range of the function f(x) = 2x^2 / (3x - x^2) is (-∞, 2) U (2, +∞).

To find the range of the function f(x) = 2x^2 / (3x - x^2), we need to determine the set of all possible output values.

First, we observe that the function is undefined when the denominator (3x - x^2) equals zero. This occurs when x = 0 or x = 3. Therefore, we need to consider the range for x values excluding these points.

To analyze the behavior of the function, we can examine its limits as x approaches positive or negative infinity. Taking the limit as x approaches infinity, we find that the function approaches 2. As x approaches negative infinity, the function also approaches 2.

Based on the limits and the fact that the function is continuous for all other values of x, we can conclude that the range of f(x) is the interval (-∞, 2) U (2, +∞), where (-∞, 2) represents all values less than 2 and (2, +∞) represents all values greater than 2.

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The fifth term of the sequence is 1250, if the formula for finding the general term of a sequence is \(a_{n} = a_{n -1} 5\).

According to the given question.

We have a formula for finding the general term of a sequence is

\(a_{n} = a_{n -1} 5\)

Also,

The first term of the sequence, \(a_{1} = 2\)

Therefore,

The fifth term of the sequence is given by

\(a_{5} = a_{5-1} 5\)

⇒ \(a_{5} = a_{4} 5\)

⇒ \(a_{5} = (a_{4-1}5) 5\)

⇒ \(a_{5} = a_{3}25\)

⇒ \(a_{5} = (a_{3-1}5) 25\)

⇒ \(a_{5} = a_{2} 125\)

⇒ \(a_{5} = a_{2 -1} (5)125\)

⇒ \(a_{5} = a_{1} 625\)

⇒ \(a_{5} = 2(625)\)

⇒ \(a_{5} = 1250\)

Hence, the fifth term of the sequence is 1250, if the formula for finding the general term of a sequence is \(a_{n} = a_{n -1} 5\).

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The given statement "the probability of the union of two events occurring can never be more than the probability of the intersection of two events occurring." is False.

The union of two events A and B represents the event that at least one of the events A or B occurs. The probability of the union of two events can be calculated using the formula:

P(A or B) = P(A) + P(B) - P(A and B)

On the other hand, the intersection of two events A and B represents the event that both events A and B occur. The probability of the intersection of two events can be calculated using the formula:

P(A and B) = P(A) * P(B|A)

where P(B|A) is the conditional probability of B given that A has occurred.

It is possible for the probability of the union of two events to be greater than the probability of the intersection of two events if the two events are not mutually exclusive.

In this case, the probability of both events occurring together (the intersection) may be relatively small, while the probability of at least one of the events occurring (the union) may be relatively high.

In summary, the probability of the union of two events occurring can sometimes be greater than the probability of the intersection of two events occurring, depending on the relationship between the events.

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Answer:

- 1/80

Step-by-step explanation:

Answer:

15, - 7, 8, - 24

Step-by-step explanation:

1

f(4) = \(\frac{1}{2}\) × 4 + 13 = 2 + 13 = 15

2

f(5) = \(\frac{3}{5}\) × 5 - 10 = 3 - 10 = - 7

3

f(- 1) = (- 1)² + 7 = 1 + 7 = 8

4

f(2) = 3(2)³ - 12(2)² = 3(8) - 12(4) = 24 - 48 = - 24

Answer:

this problem is false -12=2

Step-by-step explanation:

the sides are not equal

The value of x =26°, m∠p =116°, m∠q=21°, m∠r=43°

What is an angle?

An angle is formed when two lines meets at the same vertex. It is measured by degree. Based on the measurements angles are of three types.

Consider POR as a triangle.

Given that m∠p=5x-14, m∠q=x-5, m∠r=2x-9.

In triangle the sum of the angle is 180°, then

m∠p + m∠q +m∠r =180°

⇒5x-14+x-5+2x-9 = 180°

⇒8x-28=180°

⇒x=26°

then, m∠p=5x-14 = 5(26)-14 = 116°

m∠q=x-5 = 26-5=21°

m∠r=2x-9 = 2(26)-9=43°

Hence, the value of x =26°, m∠p =116°, m∠q=21°, m∠r=43°

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Given the function:

• You can graph it.

By definition, this is the graph of the Parent Function (the simplest form) of Quadratic Functions:

The equation of this Parent Function is:

You can identify that the function given in the exercise is like the Parent Function graphed above, but translated 4 units to the right. Because, according to the Transformation Rules for Functions, when:

The function is shifted right "h" units.

Therefore, you can graph the function provided in the exercise:

According to the instruction given in the exercise, you have to find the domain on which the function is one-to-one and non-decreasing.

By analyzing the graph, you can determine that the function increases (goes up) on this interval:

In order for that portion (the portion on the right, which is the one increasing) to be one-to-one, it has two passes the Vertical Line Test. This states that if the vertical lines intersect the graph at more than one point, it is not a One-to-One Function.

In this case, you get:

Since all the lines intersect the graph at one point, then it is a One-to-one Function.

By definition, the Domain of a function is the set of x-values for which it is defined.

Therefore, you can determine that the domain on which the function is one-to-one and non-decreasing is:

• In order to find an inverse of the function of this domain, you need to follow these steps:

1. Rewrite the function in this form:

2. Solve for "x":

3. Swap the variables:

4. Rewrite it as:

Keeping in mind the definition of Domain, you need to remember that a square root is not defined when its Radicand (the value inside the root) is negative.

Therefore, the Domains are the same:

Hence, the answer is:

• Domain on which the function is one-to-one and non-decreasing:

• Inverse of function on that domain:

Answer:

I think it is straight forward, u just have to solve the problem

Step-by-step explanation:

so 35 x 586= 20510

3.5 x 5860=20510

36 x 586=21096

70 x 586=41020

i just multiply the 0.31 by the number of days in September to get the average  

Let's consider the information given to us:

Now we know these proportions are equal, so:

    \(\frac{3}{5}=\frac{81}{x}\\ 3x = 5 * 81\\3x = 405\\x = 135\)

Thus the two cities are 135 km apart

Answer: 135 km

Hope that helps!

Answer:

135 km

Step-by-step explanation:

5 km / 3cm   *  81 cm  = 135 km  

     ( see how the 'cm' cancel and you are left with 'km' as your answer?)

The value of the given expression will be 3√5.

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given expression c² = 45 will be solved as below:-

c² = 45

Take the square root of the number 45.

c = √45

c = √ 9 x √5

c = 3√5

Therefore, the value of the given expression will be 3√5.

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Answer:

Step-by-step explanation:

remember this:-

if +,- comes: change sign to - (eg. 8+(-4)= 8-4=4)

if -,+ comes: change sign to - (eg. 8-(+4)= 8-4=4)

if -,- comes: change sign to + (eg. 8-(-4)=8+4=12)

if +,+ comes: change sign to + (eg. 8+(+4)=8+4=12)

The value of the function f(1)-f(-7) = -11

A function from a set X to a set Y assigns to each element of X exactly one element of Y.

Given are a function,

For x = 1, take -x²-3x

f(1) = -1²-3 = -4

For x = -7, take |x+5|-9

f(-7) = |-7+5|-9 = -7

f(1)-f(-7) = -7-4 = -11

Hence, The value of the function f(1)-f(-7) = -11

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Answer:

y=1/3x+-8

Step-by-step explanation:

I think