Explain what is the 7th term in the geometric sequence described by this explicit formula? A.-2187 B.6561 C.-6561 D.2187
Answers
Answer:
A. -2187
Step-by-step explanation:
if we are looking for the seventh term then 7 is equal to n
plug in 7 for n in the equation with this you will get [tex]a_{7}= -3 *(3)^6\\a_{7}= -3 *729\\a_{7}=-2187[/tex]
Related Questions
1. Write your answer using only
positive exponents.
a.
(3x2)(2x-3)
Answers
Answer:
6/x
Step-by-step explanation:
(3x^2)(2x^-3)
Multiply the coefficients
3*2 = 6
Add the exponents
x^2 * x^-3 = x^(2-3) = x^-1
We know that a^-b = 1/ a^b
6 x^-1 = 6 * 1/x^1 = 6/x
Answer:
Brainliest!
Step-by-step explanation:
see picture
-math
way
Find the value of X
A. 50
B. 36
C. 18
D. 25
Answers
A.50
I'm sure its correct
Answer:
It's (A) 50
Step-by-step explanation:
Match the terms to their correct definitions.
1. ordered pair
2. range
3. slope
4. y intercept
5. constant
6. discount
lowers the purchase price of a
vehicle
vehicle operating costs that do not
vary from month to month
variable in an equation that can
take have different values
ratio of the vertical change to the
horizontal change of a line
returns part of the price
element in an equation that does
not change value
for any value in the domain there is
one and only one value in the range
terms on the horizontal axis
the value of y when x = 0
vehicle operating costs that vary
with usage of the vehicle
an expression written (domain term,
range term)
terms on the vertical axis
7. fixed cost
8. independent variable
9. rebate
10. variable cost
11. function
12. domain
Answers
Answer:
1. Ordered pair- an expression written (domain term, range term)
2. range- terms on the vertical axis
3. slope- ratio of the vertical change to the horizontal change of a line
4. y-intercept- the value of y when x = 0
5. constant- element in an equation that does not change value
6. discount- lowers the price of a vehicle
7. fixed cost- vehicle operating costs that do not vary from month to month
8. independent variable- variable in an equation that can take have different values
9. rebate- returns part of the price
10. variable cost- vehicle operating costs that vary with usage of the vehicle
11. function: for any value in the domain there is one and only one value in the range
12. domain: terms on the horizontal axis
Hope this helps!!
The constraints of a problem are listed below. What are the vertices of the feasible region?
2x+3y<6
2x-6y>-3
X>0
Y>0
A. (0,0),(0,0.5),(0,2),(3,0)
B. (0,0),(0,2),(1.5,1),(3,0)
C.(0,0),(0,0.5),(1.5,1),(3,0)
D. (0,0),(0,0.5),(1,1.5),(3.0)
Answers
Answer:
The vertices are the following intersection points:
1) y = 0 and x 0 0 => (0,0)
2) x = 0 and 2x - 6y = - 3 => (0, 1/2) = (0, 0.5)
3) 2x + 3y = 6 and 2x - 6y = - 3 => (3/2, 1) = (1.5, 1)
4) y = 0 and 2x + 3y = 6 => (3,0)
Answer: (0,0) , (0, 0.5) (1.5, 1), (3, 0) = the third option.
Plz mark brainliest!
Answer:
it's choice A
Step-by-step explanation:
on edge2020
Find the value of x that will make
L||M.
2x+5
x-5
-M
x = [?]
Answers
Answer:
For L || M, the same side interior angles must be supplementary which means:
x - 5 + 2x + 5 = 180
3x = 180
x = 60°
Jose receives a monthly salary of $2,870 his annual salary is raised by 8% what is his new annual salary
Answers
Answer:
The answer is $37195.20
Step-by-step explanation:
The annual salary would be 12 times the monthly salary. Therefore, if the monthly salary is 2,870 the annual (yearly) salary would be 12 times as much. Which would result in 34,440. Then you would have to find 8% percent of 34,440 which is 2,755.20. Finally, just add the two numbers which will get you 37195.20.
A researcher posts a newspaper advertisement offering 520 in exchange for participation in a short study. The researcher accepts the first five people who respond to the advertisement which
of the following statements is true about the sample?
It is not a valid sample because it is only a short study
It is a valid sample because money was offered to participants
It is a valid sample because the first five people were selected to participate
It is not a valid sample because it is not a random sample of the population
Answers
Answer:
It's a valid sample because the first five people were selected to participate.
Step-by-step explanation:
True because random people who saw the advertisement responded. By chance, not every person who saw the advertisement answered, therefore it was random, but it would be more random if he decided to reject the second, fourth, sixth, and eighth person, and only the first, third, fifth, seventh, and ninth were chosen.
BD is a diameter of circle Q. If M_ACB=30°, what is M<DBA?
A. 30°
B. 50°
C. 60°
D. 70°
E. 90°
Answers
For the x-values 1,2,3, and so on the y values of a function form a geometric sequence that decreases in value. What type of function is it? A. increasing linear. B. Decreasing linear C. exponential growth D. exponential decay
Answers
Answer:
D
Step-by-step explanation:
BIG BRAIN
Makes no sense yea put D like it’s gonna be the answer for d on mine
Line segment ST is congruent to which line segment?
SK
KU
UT
TK
Answers
Line segment ST is congruent to the line segment UT.
A large college wishes to determine the average SAT scores for students who apply from New York. They surveyed 95 students from New York and discovered a mean SAT score of 1509. Which of the statements below represent the statistic and the population, respectively, of the survey?
I. The mean SAT score of all students from New York
II. The mean SAT score of 95 students from New York
III. The 95 students who apply to the college from New York
IV. All students who apply to the college from New York
Statements I and II
Statements II and III
Statements I and IV
Statements II and IV
Answers
Answer:
statements 2 and 3
B
Step-by-step explanation:
help help help help plz plz
Answers
Answer:
Pretty sure Its B
Step-by-step explanation:
Answer:
I believe it's the third answer: 2b+20=240
Step-by-step explanation:
2b=The two buses
$20= the tip
240= the money raised
express [tex]\frac{123}{65}[/tex] as a continuous fraction.
Answers
Answer: 1.89230769231
Step-by-step explanation:
Answer ASAP need it fast.
Answers
Answer: he got 19 questions right so thats 19x4 but got 10 questions wrong that would be 29 questions hope this might help a little
Step-by-step explanation:
Answer:
equation: 4x=76
total questions: 29
Step-by-step explanation:
76÷4 is 19 so that means he answered 19 correctly. since he got 10 wrong, that means there are 29 total questions
how would I write an equation for the points (-5,3) & (-1,-3) for a graph
Answers
Answer:
Step-by-step equation y = mx+b.
we first find slope which is y2-y1 / x2-x1 which is -3-3 / -1--5 = -6 / 4 = -3/2
m is the slope
b is the y intercept
so
y = mx+b
looking at the point-5, 3
3(y) = -3/2(slope)*-5(x)+b.
3 = -3/2(-5) +b
3 = 15/2+b
3 = 7.5+b
b = -4.5
so y intercept is -4.5 equation is supposed to be written in y = mx+b =
y = -3/2x+-4.5p
hope i helped
it took me 15 mins to solve and write
can i have brainliest plsss
-zylynn
The probability of picking a quarter from a jar of coins is 0.125. If Noah has 250 coins in the jar, about how many quarters are in the jar?
Answers
Answer:
31.25
Step-by-step explanation:
There are about 31 quarters in a the jar so if you need to round do accordingly! Have a good day
Answer:
31 quarters
Step-by-step explanation:
Have an equation set
Then you solve the equation you get 31.25
Round the number since you can't have 31.25 quarters it just doesn't make sense.
Round it to 31
Therefore your answer is 31 quarters
Hope this Helps!
1) -2q-5= -11 2)3(8+k) = 33 3)4/6=x/9 4)6(y+3)=24 5)4k+8=26 6)8y=6+2y 7)3x-7=20 pls help!!!!!!!!!
Answers
Answer:
1) -2q-5= -11
-2q = -11+5
q = -6/-2 =3
2) 3(8+k) = 33
24 + 3k = 33
3k = 33-24
K = 9/3 = 3
3) 4/6=x/9
By cross multiplication
4x9 = Xx6
36 = 6x
So, x = 6
4) 6(y+3)=24
6y + 18 = 24
y = (24-18)/6 = 1
5)4k+8=26
4k = 26-8
k = 18/4 = 4.50
6)8y=6+2y
8y - 2y = 6
6y = 6
So, y = 1
7)3x-7=20
3x = 20+7
x = 27/3 = 9
Answer: See below attachment
please tell me how to solve this step
fast correct answer will be marked brainliest and other copies from website will be reported........
Answers
Answer:
See Explanation
Step-by-step explanation:
From your question, what you need is the explanation;
Given that [tex](x - 1 - \sqrt{2})(x - 1 + \sqrt{2})[/tex] is a factor of p(x)
Required: Simplify
[tex](x - 1 - \sqrt{2})(x - 1 + \sqrt{2})[/tex]
Group the expression above
[tex]((x - 1) - \sqrt{2})((x - 1) + \sqrt{2})[/tex] -------- Expression 1
The expression can be expanded using difference of two squares;
[tex](a - b)(a + b) = a^2 - b^2[/tex]
By comparison, Expression 1 can be rewritten as
[tex](x - 1)^2 - (\sqrt{2})^2[/tex]
Open both brackets
[tex](x - 1)(x - 1) - (\sqrt{2})(\sqrt{2})[/tex]
Expand the above expression
[tex](x(x - 1) -1(x - 1)) - 2[/tex]
[tex](x^2 - x -x + 1)- 2[/tex]
[tex](x^2 - 2x + 1)- 2[/tex]
Remove bracket
[tex]x^2 - 2x + 1- 2[/tex]
[tex]x^2 - 2x - 1[/tex]
Hence,
If
[tex](x - 1 - \sqrt{2})(x - 1 + \sqrt{2})[/tex] is a factor of p(x)
Then
[tex]x^2 - 2x - 1[/tex] is a factor of p(x)
Anna enjoys dinner at a restaurant in Washington, D.C., where the sales tax on meals is
10%. She leaves a 15% tip on the price of her meal before the sales tax is added, and
the tax is calculated on the pre-tip amount. She spends a total of $27.50 for dinner.
What is the cost of her dinner without tax or tip?
Show or explain your work in the space below:
Can u plz help me with the model for the math problem plz?
Answers
WILL AWARD BRAINLIEST
Given right triangle ABC, what is the value of tan(A)?
26
24
wil to the th tolon
А
10
с
Answers
Answer:
C. 12/5
Step-by-step explanation:
tan(A) =24/10 simplified 12/5
Please help
Divide using long division.
(x2 – 3x2 – 3x-4)=(x+2)
Answers
Move all terms to the left side and set equal to zero then set each factor to equal zero
What is the greatest common factor of the polynomial below?
16x2 - 12x
Answers
Answer:
The GCF is 4x.
Step-by-step explanation:
Determine the greatest common factor of the given terms. The greatest common factor or GCF is the largest factor that all terms have in common. Factor out (or divide out) the greatest common factor from each term.4x( 4x -3 )
Hope this helped you!
Find the measures of all four angles if 3·(m∠1+m∠3) = m∠2+m∠4.
Answers
Answer:
Step-by-step explanation:
m∠1=m∠3
m∠2=m∠4
3*(m∠1+m∠3)=m∠2+m∠4
3*(m∠1+m∠1)=m∠2+m∠2
3×2 m∠1=2 m∠2
m∠2=3 m∠1
now m∠1+m∠2=180°
m∠1+3 m ∠1=180
4 m∠1=180
m∠1=180/4=45°
m∠3=45°
m∠2=180-m∠1=180-45=135°
m∠4=135°
- 2x
f(x)= x +4,
4x - 7
XS-10
- 10
X2
20. Use the piecewise function to evaluate points f(-1), f(2), and f(12).
O A. f(-1) = 3, f(2) = 1, and f(12) = 41
B. f(-1) = 3, f(2) = 6, and f(12) = 41
O C. f(-1) = 2. f(2) = 1, and |(12) = 41
D. f(-1) = 2. f(2) = 6, and f(12) = 41
Answers
Answer:
[tex]f(-1) = 3[/tex]
[tex]f(2) = 6[/tex]
[tex]f(12) = 41[/tex]
Step-by-step explanation:
Given
The piece wise function can be split to:-
[tex]f(x) = -2x[/tex] [tex]x\leq -10[/tex]
[tex]f(x) = x + 4[/tex] [tex]-10<x\leq 2[/tex]
[tex]f(x) = 4x - 7[/tex] [tex]x> 2[/tex]
Required
f(-1), f(2) and f(12)
To solve for each of these functions, we first check the range they fall into, then we execute the corresponding function
Solving f(-1)
-1 is within the range of [tex]-10<x\leq 2[/tex]
Hence; we make use of [tex]f(x) = x + 4[/tex]
Substitute -1 for x
[tex]f(-1) = -1 + 4[/tex]
[tex]f(-1) = 3[/tex]
Solving f(2)
2 is within the range of [tex]-10<x\leq 2[/tex]
Hence; we make use of [tex]f(x) = x + 4[/tex]
Substitute 2 for x
[tex]f(2) = 2 + 4[/tex]
[tex]f(2) = 6[/tex]
Solving f(12)
12 is within the range of [tex]x> 2[/tex]
Hence; we make use of [tex]f(x) = 4x - 7[/tex]
Substitute 12 for x
[tex]f(12) = 4(12) - 7[/tex]
[tex]f(12) = 48 - 7[/tex]
[tex]f(12) = 41[/tex]
please help!!!!!!!!!!
Answers
Answer:
Flipped across the y-axis and then rotated -90 degrees
Step-by-step explanation:
Please help :) write the linear inequality shown in the graph.
Answers
Answer:
The correct answer is C.
Step-by-step explanation:
Answer:
correct answer is C lol!!! hope this helps
What is the constant of proportionality in the table below?
Answers
Answer: [tex]\dfrac{2}{5}[/tex]
Step-by-step explanation:
The constant of proportionality 'k' between two variables ( one independent and one dependent ) is given by :-
[tex]k=\dfrac{\text{Value of dependent variable}}{\text{Value of independent variable}}[/tex]
In the given table, independent variable = Days
Dependent variable = Total Miles
From first row, Days = 3
Total Miles = [tex]1\dfrac{1}{5}=\dfrac{6}{5}[/tex]
Then, the constant of proportionality in the table
[tex]k=\dfrac{\dfrac{6}{5}}{3}=\dfrac{6}{5\times3}=\dfrac{2}{5}[/tex]
Hence, the constant of proportionality in the table is [tex]\dfrac{2}{5}[/tex] .
Answer:
2/5
Step-by-step explanation:
Which of the following are examples of descriptive statistics? Check all that apply! I will mark brainliest for correct answers.
Answers
Answer:
The answers are,A list of daily temperatures Phoenix,Arizona,for each day in December and
A chart showing the total sales for each of New York's three biggest supermarkets
Noah is planning his birthday party. He is deciding between three themes: space, safari, and comics. He also has to determine where he wants his party, at a skating rink or a park. Lastly, he needs to pick the day of the week that the party will happen. His options are Friday, Saturday, or Sunday. How many different possible party outcomes does Noah have with all of these options?
Answers
3 (themes) X 2 (places) X 3 (days) = 18
The number of different possible party outcomes does Noah have with all of the given options is 18 ways.
What is the Permutations?Permutations are different ways of arranging objects in a definite order. It can also be expressed as the rearrangement of items in a linear order of an already ordered set. The symbol nPr is used to denote the number of permutations of n distinct objects, taken r at a time.
Given that,
Number of themes = 3
Number of party places = 2
Number of days = 3
Number of outcomes = 3×2×3
= 18 ways
Therefore, the number of different possible party outcomes does Noah have with all of the given options is 18 ways.
To learn more about the permutation visit:
https://brainly.com/question/3867157.
#SPJ3
Asap answer Needed (desperate)
Answers
Answer:
Part 1: [tex]2l+2w=34[/tex] Part 2: 10.5 Units
Step-by-step explanation:
We can find perimeter of a rectangle using formula [tex]2l+2w=P[/tex]. We are given [tex]w[/tex], which is 6.5. Put this into the equation.
[tex]2l+2(6.5)=342l+13=34\\2l=21\\l=10.5[/tex]
So, length(l) of the rectangle is 10.5 units.
Answer:
10.5
Step-by-step explanation:
The perimeter of rectangles is calculated by adding all lengths together
34 units = length + length + width +width
since width is given as 6.5 units
2l + 2 × 6.5 = 34 (l : length)
2l + 13 = 34
2l = 21
l = 10.5