Anand knows from experience that if he does not review a new vocabulary word that he has learned, that
he has a 70% chance of forgetting it each day. Let D be the number of days Anand goes without reviewing
a word until he forgets it.
Find the probability that it takes Anand 4 or more days to forget the word.
You may round your answer to the nearest hundredth.
P(D > 4) =

Answers

Answer 1

Answer:

0.031

Step-by-step explanation:

1-0.973 = 0.027 ≈ 0.03


Related Questions

the sale price for swimming lessons is $20 per hour. The sale price for new student and 75% of the regular price

Answers

Answer:

Step-by-step explanation:

Your answer

New student price = 15$

Mark it as Brainlist answer. Follow me.

Paul has a 40 ft. by 30 ft. pole barn on his farm that he wants to move. The southeast corner of the pole barn is currently located 50 ft. west and 25 ft. north of the stock tank where the cows get their water. Paul wants to move the pole barn so the southeast corner of the barn is located 80 feet east and 80 feet south of the stock tank
1. 1. Complete the transformation statement for moving Paul’s pole barn, (x,y) (x+ fill in the blank, y + fill in the blank)
2. Draw the new location of the pole barn on the graph below. Note that the stock tank is located at the origin
3. How far is it from the old location to the new location? (Hint: use the distance formula

Answers

Answer:

Step-by-step explanation:

(x,y) ↦ (x+130, y-105)

original position of SE corner: (-50,25)

new position of SE corner: (80,-80)

distance = [tex]\sqrt{(80-(-50))^{2}+(-80-25)^{2} }[/tex]≅167.1 ft

HELP THIS IS DUE TODAY:,)

Answers

The answer will be -2

Answer:

im going to say 2

Step-by-step explanation:

PLEASE HELPPPPPP

Solve this equation after changing it to have a base of e: 30 (.93) ^ x = 20

Answers

Answer:

U2I282 88X29Z SMQ0J9WJ8D,E,F,BF

Step-by-step explanation:

What is the area of the triangle below?
8 in.
17 in.

Answers

Answer:

68

Step-by-step explanation:

Answer:

68 In

8*17- now, this would give you the area of a rectangle or square. but, since this is half of a rectangle or square, you divide that answer in half, giving you your final answer of 68 square inches as the area

Step-by-step explanation:

Find the surface area of the square pyramid (above) using its net (below)

Answers

Answer:

7 votos

Answer:12Step-by-step explanation:For each of the four triangles you multiply the base (2) by the height (2) and then divide it by 2 which equals 2.

Becky made 63 carnival masks, which is 30% less than the number her brother made. How many carnival masks did becky and her brother make in total?

HELP

Answers

Answer:

153

Step-by-step explanation:

Sally painted a picture that has an area of 480 square inches. The length of the painting is 1 1/5 its width. Which of the following could be the dimensions of Sally's painting?

Answers

L = (1⅕)W= (6/5)W
LW = 480 in²
(6/5)W² = 480
W² = 480 × ⅚ = 400
W = 20 in
L = (6/5)W =24 in

how do you write the point-slope form of the equation that has a slope of -5/6 point (8,-4)

Answers

Answer:

Step-by-step explanation:

the equation of a line in

point-slope form

is.

xy − y1 = m(x−x1)

where m is the slope and (x1 - y1 ) a point on the line

to calculate m use the

gradient formula

m= y2−y1

     x2−x1

let ( x1 , y1) =( 8, 5) and ( x2 ,y2 ) = (0, −4)

⇒ m= -4-5/0-8= -9/-8= 9/8

using m= 9/8 and (x1- y1) = (8,5) then

y-5= 9/8(x-8)

answer please quick i need help i only have 3 mins left

Answers

Answer:

70/100 ⋅ 80

0.7 ⋅ 80

7/10 ⋅ 80

Step-by-step explanation:

Brainliest please??

I think you have to divide 80 by 3 tell me if you don’t know how to

How many times bigger is a group of 18 coins than a group of 3 coins?

Answers

Answer:

6 times

Step-by-step explanation:

18 / 3 = 6

Answer:

6

Step-by-step explanation:

Solve:

6*3= 18

Check your work:

18 divided by 3

OR

18 divided by 6

Hope this helps!

rewrite -3(5u+5)+10u in simplest form

Answers

Answer:

-5u-15

Step-by-step explanation:

-3(5u+5)+10u

-15u-15+10u

-5u-15

Remove the parentheses and distribute-3 through the parentheses you get -15u-15+10u
Collect the like term which is -15u and 10u
You get -5u-15 which is your answer

An employee at a gift shop earns $72.00 for working 9 hours. At this hourly rate, what should the employee earn for a 40-hour work week?

Answers

Answer:

The employee would earn $320 for a 40-hour work week.

Step-by-step explanation:

Given

Total Earning amount = $72.00Total Time taken = 9 hours

To determine

We have to find the employee's earning earn for a 40-hour work week.

First Step

Determining the hourly rate

In order to determine the hourly rate, the first step we need to do is to divide the earning amount by the total number of hours.

Hourly rate = Total Earning amount / Total Time taken

                   = $72.00 / 9 hours

                   = $8.00 per hour

Second Step

Determining the employee's earning earn for a 40-hour work week.

As we have already determined that employee is earning $8.00 per hour.

i.e.

Hourly rate = $8.00 per hour

In order to determine the employee's earning for a 40-hour work week, all we need is to multiply the hourly rate i.e. 8 with 40.

Thus,

Earning for 40-hour work week = Hourly rate × 40

                                                     = 8.00 × 40

                                                     = $320

Therefore, the employee would earn $320 for a 40-hour work week.

10. The perimeter of Lola's rectangular
backyard is 76 feet. If the width of the
yard is 25 feet, what is the length of
the yard?
What is the answer

Answers

I think 51 is the answer

Which is equivalent to square root 8 to the third power

Answers

Answer:

Step-by-step explanation:

IMPORTANT: ∛8ˣ is not the square root of 8³.  ∛ means cube root.

∛x = x^(⅓)

It takes 80 oz of grass seed to seed 5600 ft? of lawn. At this rate, how much would be needed for 8400 ft of lawn?

Answers

Answer:

120 oz

Step-by-step explanation:

5600/80 = 70 rate

8400/ 70 = 120 oz

Sal is participating in a charity walk. The distance Sal walks, in kilometers, is proportional to the number of hours he spends walking.

Which statements are true about the distance Sal walks?

Select each correct answer.

Answers

the attachment is not clear dude...

Answer:

the attachment is not clearly

Riley got 6 out of 10 problems correct on her practice
test. If there are 150 problems on the actual test,
predict how many problems Riley will get correct.
Assume this relationship is proportional.

Answers

Answer:

90

Step-by-step explanation:

6/10 of 100 is 60, now add half of that, 30, add those together 60+30=90.

Answer:

my answer is 90

Step-by-step explanation:

i gogt 90 and i solve it too

1/4x=3/2 last one pleasee i need helpp

Answers

Answer:

x = 6

Step-by-step explanation:

Instructions?  I'm assuming you were asked to "solve for x."

To eliminate fractions, multiply both sides by 4.  This results in x = 6.

Please help this is my last thing to do!!!
A rectangle has sides measuring (3x + 5) units and (6x + 11) units. Part A: What is the expression that represents the area of the rectangle? Show your work
Part B: What are the degree and classification of the expression obtained in Part A?
Part C: How does Part A demonstrate the closure property for polynomials?

Answers

Answer:

area = 18x² + 63x + 55 square units

Second-degree trinomial.

Step-by-step explanation:

area = (3x+5)(6x+11) = 18x² + 63x + 55 square units

Second-degree trinomial.

Jose is giving out prize bags at his party. Each bag must have 3 candy pieces and 4 toys. If Joe bough 15 candy pieces, how many toys does he need to buy? ANSWER ASAP PLEASE

Answers

Jose needs to buy 20 toys

Answer:

question-1 A large box contains 18 small boxes and each small box contains 25 chocolate bars. How many chocolate bars are in the large box?

Solution

The number of chocolate bars is equal to

18 × 25 = 450

Step-by-step explanation:

this is only an example

comment me

aapko yeh kesa lga ?

An investor has an account with stock from two different companies. Last year, her
stock in Company A was worth $800 and her stock in Company B was worth $6180.
The stock in Company A has decreased 1% since last year and the stock in Company B
has decreased 5%. What was the total percentage decrease in the investor's stock
account? Round your answer to the nearest tenth (if necessary).

Answers

Answer:

4.5%

Step-by-step explanation:

800(1-0.01)=\color{green}{792}

800(1−0.01)=792

6180(1-0.05)=\color{blue}{5871}

6180(1−0.05)=5871

Last Year This Year

Stock A 800 792

Stock B 6180 5871

Total 6980 6663

\text{Find overall decrease:}

Find overall decrease:

6980(1-r)=6663

6980(1−r)=6663

\frac{6980(1-r)}{6980}=\frac{6663}{6980}

6980

6980(1−r)

=

6980

6663

1-r=0.954585

1−r=0.954585

-r=-0.045415

−r=−0.045415

Subtract 1

r=0.045415

r=0.045415

Divide by -1

\text{Final Answer: }4.5\%

Final Answer: 4.5%

Multiply by 100 and round to nearest 10th

How do we find the measure of one interior angle of a poly?

Answers

Answer:

In order to find the value of the interior angle of a regular polygon, the equation is (n−2)180∘n where n is the number of sides of the regular polygon

Hope that helped

Cube 1 has a volume of 64 cubic inches and Cube 2 has a volume of 512 cubic inches. If the ratio of the surface area of Cube 1 and 2 is 1:4 what are the side lengths of Cube 1 and Cube 2? A) 4 and 26 B) 8 and 16 C) 4 and 8 D) 8 and 64​

Answers

Answer:

4 and 8

Step-by-step explanation:

You don't need the surface area to find the edge length of a cube. Length of edge = ∛volume

Cube 1:

Length of each edge = ∛64 = 4 in.

Area of each face = 4² = 16 in².

Surface area = 6×16 = 96 in².

Cube 2:

Length of each edge = ∛512 = 8 in

Area of each face = 8² = 64 in²

Surface area = 6×64 = 384 in²

So the surface area is in the ratio 1:4

given f(x)=3x-5, find f(x+2)

Answers



f(x-2) = 3(x-2) - 5
= 3x - 6 - 5
= 3x - 11

Answer:

Step-by-step explanation:

Whenever a problem asks for f(x+n) or really anything, you just plug it into the OG function

f(x+2) = 3(x+2) - 5

= 3x + 6 - 5

=3x + 1

Solve the equation for all values of x in simplest form:
(x – 3)^2 = 11

Answers

X in the simplest form is 17/2

- Identify a pair of alternate exterior angles.
1
2
8
3
3
7
4
6
3
O <3 and 24
O_1 and 2
O_1 and 26
OL2 and 26

Answers

Answer:

should be angle 2 and angle 6

The answer is D can I have Brainlyest

Please help don’t guess pick answer in the bottom please I’m begging you I need this grade!!! 40pts!!!

Answers

Answer:

1) x/4 < 4 ⇒ x < 4*4 ⇒ x< 16

x = 4, 8, 12

2) x + 3 ≥ 15 ⇒ x ≥ 12

x = 12

3) 19 > x + 4 ⇒ 15 > x ⇒ x < 15

x = 4, 14

4) 12 ≥ 6x ⇒ 2 ≥ x ⇒ x ≤ 2

x = 1, 2

5) 7x ≤ 21 ⇒ x ≤ 3

x = 1, 2, 3

6) 5 + x < 7 ⇒ x< 2

x = 1

7) x - 5 < 17 ⇒ x < 22

x = 9, 14, 15

8) 3x ≥ 18 ⇒ x ≥ 6

x = 6, 11

9) 20 > x + 9 ⇒ 11 > x ⇒ x < 11

x = 4, 8

Find the measure of angle C

Answers

65 degrees
90-25 = 65

What is the volume, in cubic cm, of a rectangular prism with a height of 8cm, a width of 2cm, and a length of 7cm?




Please , help .

Answers

Answer:

v = A x H = LxW xH = 7cm x 2cm x 8cm =112CM^3

Answer:

112 cm³

Step-by-step explanation:

In this question, we have to find the volume of a rectangular prism.

The formula to find the volume of a rectangular prism would be: V = L × W × H

To find the volume, plug in the values and solve.

Solve:

V = 7 × 2 × 8

V = 14 × 8

V = 112

This means that the volume of the rectangular prism is 112 cm³

Remember, volume is always represented with a exponent of 3, or cubed, in the unit.

Your answer would be 112 cm³

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