The first term of a sequence is 3 and the common ratio is 3. The sequence is:

Answers

Answer 1

Answer:

Answer:

6..........................

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(-7x²-7x-7)-[(7x³-9x²-20)+(4x-11)]]=?(5x⁴+8x²+2)+7(5x⁴-3x²)=?
Please explain the work behind the solution

Answers

$(-7x^2-7x-7)-[(7x^3-9x^2-20)+(4x-11)]]=\n=-7x^2-7x-7-(7x^3-9x^2-20+4x-11)=\n=-7x^2-7x-7-7x^3+9x^2+20-4x+11=-7x^3+2x^2-11x+24\n\n (5x^4+8x^2+2)+7(5x^4-3x^2)=5x^4+8x^2+2+35x^4-21x^2=\n=39x^4-13x^2+2$

Select all of the following points that lie on the graph of f(x) = 7 - 3x.(-2, 1)
(-1, 10)
(0, 7)
(1, 5)
(2, 1)

Answers

We know that

if the point belongs to the graph, then it must satisfy the given function.

We proceed to verify each of the points

we have

$f(x) = 7 - 3x$

case a) $(-2, 1)$

$x=-2\ny=1$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(-2)$

$f(x) = 13$

$13\neq 1$ --------> the point not lie on the graph

case b) $(-1, 10)$

$x=-1\ny=10$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(-1)$

$f(x) = 10$

$10=10$ --------> the point lie on the graph

case c) $(0, 7)$

$x=0\ny=7$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(0)$

$f(x) = 7$

$7=7$ --------> the point lie on the graph

case d) $(1, 5)$

$x=1\ny=5$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(1)$

$f(x) = 4$

$4\neq 5$ --------> the point not lie on the graph

case e) $(2, 1)$

$x=2\ny=1$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(2)$

$f(x) = 1$

$1=1$ --------> the point lie on the graph

therefore

the answer is

Points that lie on the graph are

$(-1, 10)$

$(0, 7)$

$(2, 1)$

see the attached figure to better understand the problem

Answer:

So the person above me got it right (I think) but im small brain and dont wanna read all that so for all the ppl like me the answer is

(-1, 10)

(0, 7)

(2, 1).

Your welcome fellow lazy ppls :3

Ver en español Find the number that makes the ratio equivalent to 7:20

Answers

Answer:

14:40

Step-by-step explanation:

if both divided by 2 gives 7:20

pls mark brainlist and follow

Lines AC and RS are
Coplanar
Parallel
Perpendicular
Skew

Answers

The correct option is Option D: Line AC and RS are skew lines.

What is the line?

A line is defined as set of points that extends infinitely in either direction. A line is the shortest distance between any two points.

What are skew lines?

Skew lines are two lines that never intersect and are not parallel also. Hence we can say that the two lines can not exist in the same plane.

From the figure it is clear that

Line AC and RS are in different planes and they are also not intersecting each other, hence according to the definition of skew lines, they are skew lines.

Learn more about skew lines

here: brainly.com/question/2099645

#SPJ2

Answer:

Skew Is your answer

Step-by-step explanation: Took the test

Angela likes to use two walking sticks when she goes hiking but the two walking sticks she has been giving wrestling are different lengths one is 3 4/5 feet long, and the other is 3 1/2 feet long.how much should she cut from the longer sitck so that the two walking sticks will be the same length

Answers

Given:
long stick: 3 4/5 feet
short stick: 3 1/2 feet

convert mix fractions into improper fractions:

3 4/5 = (3*5)+4/5 = 19/5 long stick
3 1/2 = (3*2)+1/2 = 7/2 short stick

19/5 - 7/2 ⇒ (19/5 * 2/2) - (7/2 * 5/5) = 38/10 - 35/10 = (38 - 35)/10 = 3/10

3/10 feet should be cut from the longer stick so that the two walking sticks will be the same length.

3 4/5 ft = 45.6 inches long stick
3 1/2 ft = 42 inches short stick
3/10 ft = 3.6 inches to be cut from long stick

45.6 inches - 3.6 inches = 42 inches

5/8 - 3/4 (8 - 1/3) + 1

Answers

Answer:

use a algebra caculator

Step-by-step explanation:

Answer:

-4.125

Step-by-step explanation:

5/8 - 3/4 (8-1/2 ) + 1 = - 33/8 = -4 1/8

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