Mathematics College

2. Jacquelyn has 50 vocabulary words to study for an exam. She creates a flashcard for each word to study. Day 1 she studies 10 of the flash cards. Day 2 she studies the same 10 cards from the first day along with 5 new cards, for a total of 15 cards. Day 3 she studies the 15 cards she studied on the second day along with 5 new cards, for a total of 20 cards. Jacquelyn continues to increase the number of cards she studies each day by 5.
(a) Write a recursive rule to represent the number of cards Jacquelyn studies on day n.
(b) Write an explicit rule to represent the number of cards Jacquelyn studies on day n.
(c) On which day will Jacquelyn first study all 50 vocabulary cards?

Answers

Answer 1

Answer:

Sequence:

10, 15, 20, ...

(a) Recursive formula:

a₁ = 10, aₙ = aₙ₋₁ + 5

(b) Explicit rule:

aₙ = a₁ + (n - 1)*5 aₙ = 10 + 5n - 5 = 5n + 5aₙ = 5n + 5

(c) aₙ = 50, n = ?

50 = 5n + 55n = 45n = 9

Day 9

Related Questions

Help ASAP please ‼️
What is the value of x?
(5х)
o 14
15
оооо
110
110°
70°

Answers

Answer:

14

Step-by-step explanation:

The internal angle sum of a 4 sided polygon is 360 so set it equal to 360. 5x+110+110+70=360

5x+290=360

5x=70

x= 14

Please help me giving brainliest

Answers

Answer:

42cm^2

3x2=6x7=42

Step-by-step explanation:

Which sum or difference ls modeled by the algebra tiles? HELPPP PLEASEE ASAPPPP

Answers

Answer:

Option C / C.

(x2 + 4x − 2) − (-x2 + 2x − 4) = 2x2 + 2x + 2

Step-by-step explanation:

q/13 + 11 = 13 Please show me a step by step

Answers

Answer:

q=22

Step-by-step explanation:

it will take me a sec to explain hang on

Answer:

26

Step-by-step explanation:

Solve for q:

q/13 + 11 = 13

Put each term in q/13 + 11 over the common denominator 13: q/13 + 11 = q/13 + 143/13:

q/13 + 143/13 = 13

q/13 + 143/13 = (q + 143)/13:

(q + 143)/13 = 13

Multiply both sides of (q + 143)/13 = 13 by 13:

(13 (q + 143))/13 = 13×13

(13 (q + 143))/13 = 13/13×(q + 143) = q + 143:

q + 143 = 13×13

13×13 = 169:

q + 143 = 169

Subtract 143 from both sides:

q + (143 - 143) = 169 - 143

143 - 143 = 0:

q = 169 - 143

169 - 143 = 26:

Answer: |

| q = 26

Will give brainliest and 30 points


Find y.
Do not round your answer.
9 in
5 in
Х
19 in
y = [ ? ] in

Answers

Answer:

[tex]x \times 19 = 9 \times 9 \\ x = \frac{81}{19} \\ y \times 5 = 9 \times 9 \\ y = \frac{81}{5} = 16.2[/tex]

Answer:

11.2

Step-by-step explanation:

identify the first four numbers in an arithmetic sequence modeled by the formula below. a1 = 10 an = an-1+5

Answers

Answer:

1. = –5 and the recursive formula to find the next four terms. The first five terms are –5, –10, ... Use the formula for an arithmetic sequence. The first term a. 1 is 1, and n ≥ 2. ... 5. BALL A ball is dropped from an initial height of 10 feet. The maximum heights the ball ... CCSS MODELING A landscaper is building a brick patio

Step-by-step explanation:

What repeating decimal does
8/9 equal to in value

Answers

0.88888. Divide 8 by 9 and you should get that answer, with 8 repeating.

What is the arc length if
0 = 2π / 3 and the radius is 4 cm?

A. 8π / 3
B. 16π / 3
C. π / 6
D. 3π / 4

Answers

Answer:

A. 8π / 3

Step-by-step explanation:

Suppose you draw a card from a wall shuffled deck of 52 cards what is the probability of drawing a 4 or a Jack

Answers

the odds of drawing a jack from a deck of 54 is 1 in 13.5 or 4/54

1. Last week Bradley worked 32 hours
and earned $312.96. What did he
earn per hour?
A $9.75
C $10.30
B $9.78
D $10.09

Answers

Answer:

B ($9.78)

Step-by-step explanation:

Which ones are functions and which ones are not

Answers

Answer:

For the graph part, A is not a function and B is a function. For the bottom part, A is a function and B is not a function.

Step-by-step explanation:

Top

A is NOT a function because it had failed the vertical line test, meaning that it has multiple outputs for each input which makes it not successful when taking the vertical line test. B is a function since it passed the vertical line test. Always use the vertical line test to see whether or not the graph met the requirement of having the input have one output.

Bottom

A is a function because the input contains one output. B is NOT a function since 5 contains 2 different outputs.

The outputs can be with multiple inputs, whereas the inputs cannot be with multiple outputs since they wouldn't meet the requirement during the vertical line test.

Which of the following would have the same graphic representation as the function
f) = 16.2^x? Select all that apply.

Answers

Answer:

the first on and the 4th one

Step-by-step explanation:

What is the axis of symmetry of the absolute value function y=-2|x+4.5|-1.4?
A. x= -4.5
B. X= 4.5
C. X= 1.4
D. x= -1.4

Answers

The answer is c. X=1.4

Solve the following inequality. x >-1


Answers

Answer:

( − 1 , ∞ )

Step-by-step explanation:

( − 1 , ∞ )

KETO-SNACKS Tenlos a la mano para

Answers

Answer:

Here's 21 yummy keto snacks:

https://www.healthline.com/nutrition/best-keto-snacks

Hope u love em <3

Step-by-step explanation:

A quantity with an initial value of 140 decays continuously at a rate of 4% per decade. What is the value of the quantity after 98 years, to the nearest hundredth?
(pls answer)

Answers

9514 1404 393

Answer:

  93.84

Step-by-step explanation:

The exponential function will be of the form ...

  q = a×b^t

where 'a' is the initial quantity and b is the growth factor per time period t.

If we use decades as the time period, then the growth factor is 1 more than the growth rate of -4%. For the initial value 140, the function is ...

  q = 140×(1 -4%)^t

  q = 140×0.96^t

98 years is 9.8 decades, so the quantity q remaining will be ...

  q = 140×0.96^9.8 ≈ 93.84

The quantity remaining will be 93.84 after 98 years.

Answer:

94.6

Step-by-step explanation:

Mr. Jones jogs the same route each day. The amount of time he jogs is inversely proportional to his jogging rate.

What option gives possible rates and times for two of his jogs?

Answers

Answer:

The correct answer of this question is,

4mph for 2.5hr and 5mph for 2hr.

Answer:

The correct answer to your question is the first option.

Step-by-step explanation:

Can Someone Help Me Please. ?

Answers

Answer:

The answer is the third option from the top:

0, 0, 11, 15, 26, 32, 45, 46, 46, 46, 60, 71, 84, 88

9) What is the result of adding 3 to -3?​

Answers

Answer:

0

Step-by-step explanation:

Answer:

3 to -3? = 0

Step-by-step explanation:

Hope this helped you!

OMG PLS HELP!!!!!!!!!!!!!! A rectangular prism has a height of 20 cm, length of 7 cm and width of 5 cm. Use the volume formula to find the volume of this prism. A. 140 cm3 B. 500 cm3 C. 700 cm3 D. 900 cm3

Answers

Answer:

The correct answer is C: 700 cm³

Step-by-step explanation:

V = l × w × h

V = 7 × 5 × 20

V = 7 × 100

V = 700

What is the volume of a hemisphere with a diameter of 6.7 ft, rounded to the nearest tenth of a cubic foot?

Answers

Answer:

78.7 cubic feet

Step-by-step explanation:

What is the volume of a hemisphere with a diameter of 6.7 ft, rounded to the nearest tenth of a cubic foot? 78.7 cubic feet.

Im not really sure

I dont know

Please help me with part a and b

Answers

Answer:Hey Its Not showing anything on me end

Step-by-step explanation:



What is the slope of the line passing through points A and B?
Please help

Answers

Answer:

C: 1/4

Step-by-step explanation:

it is correct! i hope u enjou

Answer:

1/4

Step-by-step explanation:

Between A and B, the line 'rises'/goes up 1 block vertically and 'runs'/goes across 4 blocks horizontally.

Slope = rise/run = 1/4

What shape is the cross-section?
a. Triangle
b. Circle
c. Ellipse
d. Hexagon
e. Square
f. Rectangle
g. Pentagon

Answers

its a circle.. but looks like an oval

please help with question!!!!!!!!!!!!!!!!!!

Answers

Answer:

b is the four sided dice and a is the 6 sided dice

find the perimeter of the figure below.

PLEASE GIVE A EXPLANATION

Answers

I believe the answer would be 198.54

First, find the circumference of the circle which for a diameter of 25, would be roughly 78.54 (according to goo gle) and the equation for circumference, C= πd

Then, add the 120, because of the rectangle in between the two half circles.

So my thought process was find the circumference, assuming that it was a full circle because it has two halves of a circle on either end. Then after that, you would add the two sides of the rectangle that contribute to the size of the perimeter

Please correct me if Needed and have a good day!

twenty subtract from 28

Answers

Answer:

8

Step-by-step explanation:

Answer:

-8

Step-by-step explanation:

20-28= -8

What is the answer this is a math question

Answers

Answer:

1221 - 321 = 900

Step-by-step explanation:

Sams sells a 5-lb bag of beans for $17.25. How much is the unit price?

Answers

Answer:

$3.45

Step-by-step explanation:

17.25 divided by 5 is equal to 3.45

cooking like a chef im a five star michellin

Answers

Answer:

0o0

Step-by-step explanation:

umm... oki buddy

Answer;

oo nice

Step by step Explanation

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