In Joel's town, about 33 out of 100 cats are black. If Joel walks by 21 cats in 1 week, predict how many of those cats are black?

Answers

Answer 1

Answer:

7 cats are black

Step-by-step explanation:

Since 33 out of 100 cats are black then that means that 33% of the cats are black.

Since he walked by 21 cats 33% of them are most likely black.

So you do .33 x 21= 6.93 which can be rounded up to 7 cats


Related Questions

3
Find an equation for a cosine function that has an amplitude of 3/5, a period of 270°, and a y
intercept of 5.

Answers

Answer:

y=sin2x+3

Step-by-step explanation:

100 points please solve fast! Brainliest please!

Answers

Answer:

21

Step-by-step explanation:

The number of rectangles and combinations:

1 rectangle = 62 rectangles = 53 rectangles = 44 rectangles = 35 rectangles = 26 rectangles = 1

Total

6 + 5 + 4 + 3 + 2 + 1 = 21

Now the number of,

Rectangles and combinations are,

→ 1 rectangle = 6

→ 2 rectangles = 5

→ 3 rectangles = 4

→ 4 rectangles = 3

→ 5 rectangles = 2

→ 6 rectangles = 1

Then the total number is,

→ 6+5+4 + 3+2+1

→ 15 + 6 = 21

Hence, total number is 21.

5/8 - 5/24

I am doing some homework my brain isnt working right now can someone help me out?

Answers

Answer:

5/12

Step-by-step explanation:

i just looked it up...

Answer:   5/12

====================================================

Explanation:

Multiply top and bottom of 5/8 by 3 to get 15/24

This means 5/8-5/24 is the same as 15/24-5/24

The denominators are the same, so we can subtract the numerators to have them placed over the common denominator

15/24 - 5/24 = (15-5)/24 = 10/24

Then we reduce by dividing each part of the fraction by the GCF 2

10/2 = 5

24/2 = 12

Meaning that 10/24 = 5/12

Note how multiplying top and bottom of 5/12 by 2 leads to 10/24 again.

So overall,

5/8 - 5/24 = 5/12

The value of a share of AT&T stock on that day wa \$97 50 more than the value a share of IBM HockUnx to represent the unknown value Write an algebraic expression for each of the quantities being compared 0 = the value of a share of AT&T Mock E = the value of a share of IBM stock

Answers

Answer:

[tex]A = 97.50 + H[/tex]

Step-by-step explanation:

Given

Stocks: AT&T and IBM HockUnx

Required

Determine the algebraic expression

Represent AT&T with A and IBM HockUnx with H.

Since AT&T is 97.5 more than IBM HockUnx;

The required expression is:

[tex]A = 97.50 + H[/tex]

Some equations have the form y=kxy=kx, where kk is a number.

Which equation CANNOT be written in the form y=kxy=kx?​

Answers

Answer:

[tex]x = 4y[/tex]

Step-by-step explanation:

Given

[tex]y = kx[/tex]

See attachment for options.

Required

Determine which of the options answers the question

Analyzing the option one after the other:

[tex]\frac{x}{y} = 4[/tex]

Multiply through by y

[tex]y * \frac{x}{y} = 4 * y[/tex]

[tex]x = 4y[/tex]

Divide through by 4

[tex]\frac{x}{4} = \frac{4y}{4}[/tex]

[tex]\frac{x}{4} = y[/tex]

This can be rewritten as

[tex]y = \frac{x}{4}[/tex]

[tex]y = \frac{1}{4} x[/tex]

By comparison with [tex]y = kx[/tex]

we have:

[tex]y = y[/tex]

[tex]x = x[/tex]

[tex]k = \frac{1}{4}[/tex]

Hence: this answers the question.

The 2013-14 roster of the Seattle Seahawks, winners of the 2014 NFL Super Bowl, included 10 defensive linemen and 9 offensive linemen. (Data set may be found here.) The weights in pounds of the defensive linemen were 254 311 297 323 260 242 300 252 303 274 and the weights of the offensive linemen were 310 315 305 318 298 301 321 332 320 (a) Make a back to back stemplot of the weights of the offensive and defensive linemen. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Find the five-number summary for the offensive line. (Enter your answers to one decimal place.) Minimum lb Q1 lb Median lb Q3 lb Maximum lb (b) Find the five-number summary for the defensive line. (Enter your answer to one decimal place.) Minimum lb Q1 lb Median lb Q3 lb Maximum lb (c) Which group of players tends to be heavier? Offensive Defensive

Answers

Answer:

Step-by-step explanation:

The weights in pounds of the defensive linemen were :

254,311, 297, 323, 260, 242, 300, 252, 303, 274

Ascending order: 242 ,252 ,254 ,260 ,274 ,297 ,300 ,303 ,311 ,323

The weights in pounds of the offensive linemen were :

310 ,315, 305, 318, 298, 301, 321, 332, 320

Ascending order:298 ,301 ,305 ,310 ,315 ,318 ,320 ,321 ,332

a)

Offensive line       Stem        Defensive line

                               24     |            2

                               25     |            2 , 4

                               26     |            0

                               27     |            4

         8             |      29     |           7

      1,5              |      30     |           0,3

     0,5,8           |      31      |           1

     0,1               |      32     |           3

      2                |      33     |

Five number summary of offensive line:

1) minimum: 298

2) maximum: 332

3)

Lower quartile:298 ,301 ,305 ,310

Q1 is the median of lower quartile

[tex]Q1=\frac{301+305}{2}=303[/tex]

4)

Upper quartile:318 ,320 ,321 ,332

Q3 is the median of upper quartile

[tex]Q3=\frac{320+321}{2}=320.5[/tex]

5)

Q2 is the median

 298 ,301 ,305 ,310 ,315 ,318 ,320 ,321 ,332

Mid value =[tex]\frac{9+1}{2}[/tex]=5th term = 315

Q2=315

Five number summary of defensive line:

1) minimum: 242

2) maximum: 323

3)

Lower quartile:242 ,252 ,254 ,260 ,274

Q1 is the median of lower quartile

Q1=254

4)

Upper quartile:297 ,300 ,303 ,311 ,323

Q3 is the median of upper quartile

Q3=303

5)

Q2 is the median

 242 ,252 ,254 ,260 ,274 ,297 ,300 ,303 ,311 ,323

Mid value =\frac{274+297}{2}=285.5

Q2=285.5

c) Mean weight of offensive line = [tex]\frac{298+301+305+310+315+318+320+321+332}{9}=313.33[/tex]

Mean weight of defensive line = [tex]\frac{242+252+254+260+274+297+300+303+311+323}{10}=281.6[/tex]

Mean weight of offensive line is more

So, Offensive group of players tends to be heavier

x=???????? ASAPPppppp

Answers

Answer:

x=2

Step-by-step explanation:

12=12 2=2

the sides have the same x

PLEASE HELP Will give brainliest! Write the equation in y=mx+b form for the line on the graph. PLEASE

Answers

Answer:

y=-1.9x-1

Step-by-step explanation:

Find the slope of the line from the graph.

Answers

Answer:will hope it help to find the answer with an unqualified

Step-by-step explanation:

The slope is +3 because the points are every 3 and it is positive because it is going up to the right

Alex prepares goody bags for his guests. He has 30 Minifigures and 24 spinners. How many goody bags can he make if he wants to put the same number of Minifigures in each bag and the same number of spinners in each bag with no toys left over?

Answers

Answer:

he can make 6 goodie bags

Step-by-step explanation:

Can i get some help im really confused and im in the test

Answers

Answer:

b y= 3x+6 is the ans but not sure

3
Rewrite the equation y= 3/7x + 4 in standard form.

Answers

Answer:

I think it is 3x-7y=-28

3y-7x-4. Multiply 3 on both sides to get it out of the division of 7x. Subtract 7x to move it to the other side, making 3y-7x=4

The meter is the standard unit for:

weight
height
mass
length

Answers

The answer is length
the answer is length

What are the solutions of this quadratic equation?
X^2 = 16x – 65

Answers

Answer:

x= 4.3125

Step-by-step explanation:

Answer:

x=4+7i and x=4-7i

Step-by-step explanation:

Rewrite the given quadratic equation by completing the square.

x^2-8x=-65

x^2-8x+16=-65+16

x^2-8x+16=-49

(x-4)^2=-49

Now, solve the equation by applying the square root property and isolating x.

(x-4)^2=-49

√(x-4)^2 = √-49

x-4=+7i

x=4+7i

So, the solutions to the given quadratic equation are x+4+7i and x=4-7i.

Jacob and Joe are selling cheesecakes for a school fundraiser customers can buy New York style cheesecake and strawberry cheesecakes Jacobs or six New York style cheesecake's and six strawberry cheesecakes for a total of $96 Joe sold one New York style cheesecake and four strawberry cheesecake for a total of $52 what is the cost of each of one New York style cheesecake and one strawberry cheesecake

Answers

Step-by-step explanation:

Given data

Let the cheese be x

And strawberry be y

So

6x+6y=96-------1

x+4y=52----------2

Solving 1 and 2 simultaneously

Let us multiply equation 2 by 6 we have

6x+6y=96

6x+24y=312

-0-18y=-216

18y=216

y=216/18

y=12

Put y=12 in equation 2

x+4*2=52----------2

x+8=52

x=52-8

x=44

cheese =44

strawberry =12

y = (25 - 2) (35 - 2).
Multiply the binomials.

Answers

Answer:  y=759

Step-by-step explanation:

y = (25 - 2) (35 - 2)

y = (23) (33)

y = 759

Answer:

y = 759

Step-by-step explanation:

subtract the numbers

y = 23 (35 - 2)

y = 23 x 33

Multiply the numbers

y = 759

Solution

y = 759

PLEASE HURRY!!! 10 POINTS Which ordered pair would form a proportional relationship with the point graphed below?
100ty
90
80
70
60
50
40
30
20
10
45.30)
10 20 30 40 50 60 70 80 90
(10, 10)
(25, 35)
(70, 50)

Answers

Answer:

50

Step-by-step explanation:50 is the right answer!!

50 is the correct answer

y + 15 - 8 = 22
What does y equal?

Answers

Answer:

15

Step-by-step explanation:

y +15-8 =22

y +15 =22 +8

y +15 =30

y =30-15

y=15

Which of the following is the factor of 5x - 35?
A. 5(x - 7 ) B. 5(x + 7)
C. 7(x - 5) D. 7(x + 5)​

Answers

Answer:

a

Step-by-step explanation:

The answer above is correct

Warren paid $23.85 and received no change. He is a member and rented 2 lanes. how many pairs of shoes did he rent?

MEMBERS COST: $2.95 ​

Answers

i'm not sure how much the lanes are, so i'm gonna list the prices of pairs of shoes so you can just add the price of the lanes and find the answer:

1 pair - 2.95

2 pairs - 5.90

3 pairs - 8.85

4 pairs - 11.80

5 pairs - 14.75

6 pairs  - 17.70

7 pairs - 20.65

8 pairs - 23.60

(thats the highest amount of shoes he could get)

A triangle has two sides of length 19 and 3. What is the largest possible whole number length for the third side?

Answers

Answer:  21

========================================================

Explanation:

Consider a triangle with side lengths a,b,c such that a < b < c

a = 3 and b = 19 are the two known sides

Let c be the missing side length

The missing side has the property that...

b-a < c < b+a

19-3 < c < 19+3

16 < c < 22

Meaning that if c is a whole number then it can take on any of these values {17, 18, 19, 20, 21}

So c = 21 is the largest possible third side, where only whole number sides are considered.

We can't have a third side of 22 because the two other sides add to a+b = 3+19 = 22 and a triangle wouldn't form (instead only a straight line would). I recommend cutting out strings of paper trying this out yourself.

---------------

Side note: The inequality b-a < c < b+a is a variation of the triangle inequality theorem.

Answer: The answer is 21

How is 0.000000006532 expressed in standard scientific notation? please tell me i wanna pass

Answers

Answer:

6.532 x 10^-9

Step-by-step:

1. 0.000000006532

2. move the decimal to where the first number is greater than or equal to 1 and less than 10. In this case we move the decimal to the right 9 times. You will get 6.532

3. We moved the decimal to the right meaning the power to 10 would be a negative number. The number is how many times we moved the decimal by 1 spot, in this problem we moved it 9 times. 6.532 x 10^-9 is what you should get for scientific notation

The number written 3.76ee13 in scientific notation

Answers

Answer:

yes also what is the question

100 POINTS!!!!!!!!!!! ( I NEED FAST ANSWERS ) Two rental car companies costs are compared below. At what mileage is the cost for the two companies the same?

Answers:

15 miles

25 miles

They are never the same

20 miles

Answers

25 miles
I took the test

Answer:25

Step-by-step explanation:

If the domain of the sqaure root function f(x) is x <= 7, which statement must be true?

A) 7 is subtracted from from the x term inside the radical.
B) The radical is multiplied by a negative number.
C) 7 is added to the radical term.
D) The x-term inside the radical has a negative coefficient.

Answers

Answer:

D

Explanition:

46. Hannah walks dogs for four different families. She charges each family the same

amount of money per hour. The numbers of hours she worked last week walking

dogs for each of the families are shown.

14 hours, 2 hours, 13 hours

, 3 hours

Hannah earned $93 for the hours she worked last week walking dogs.

• Calculate the amount of money Hannah earns per hour for walking dogs

• Write an equation that can be used to determine the amount of money, m, in

dollars, Hannah earns when she works h hours walking dogs.

• Show your work or explain your answer.

Answers

Answer:

Hannah earns $2.9 per hour for walking dogsThe equation is m = $2.9h

Step-by-step explanation:

From the question,

Hannah walks dogs for four different families and charges them the same amount of money per hour. Also, The numbers of hours she worked last week for each of the families are 14hours, 2 hours, 13 hours, and 3 hours.

Hence, she worked for a total of (14 + 2 + 13 + 3) hours.

(14 + 2 + 13 + 3) hours = 32 hours

Hence, she worked for a total of 32 hours last week.

Also, she earned $93 for the hours she worked last week

To calculate the amount of money Hannah earns per hour for walking dogs, that will be

$93 ÷ 32 hours = $2.9/hour

Hence, Hannah earns $2.9 per hour for walking dogs

For the equation that can be used to determine the amount of money, m, Hannah earns when she works h hours walking dogs,

If she works h hours for working dogs, then she will earn

$2.9 × h = $2.9h

Hence,

m = $2.9h

Where m is the amount of money Hannah earns in dollars

and h is the number of hours she spends walking dogs.

100% A coin is tossed 100 times. Which is the best estimate for the number of times the coin will land heads up?

A 10
B. 20
c. 50
D. 80
E. 100​

Answers

Answer:

C.50

Step-by-step explanation:

It would be 50 because there are 2 sides to the coin. So if you take 100/2 you get 50. that would be the best estimate answer in my opinion

Number of times the coin will land heads will be 50

What is Binomial Distribution?

Number of trials or observation when each trial has the same probability of attaining one particular value. It determines the probability of observing a specified number of successful outcome in a specific number of trial.

Here , number of times the coin had tosses: 100

P(probability of getting a head in a coin ) : number of time head can come when flipped once / total number of observations

 since , head can come once and there are two possibility either head or tail

hence P= 1/2

this implies number of times heads land up = n*P = 100 *(1/2) = 50

option c) 50

Let us learn more about binomial distribution:

https://brainly.com/question/13634543?referrer=searchResults

#SPJ2

Please help!
What is the inverse of f(x)=x2 - 11 if the domain is x > 0

Answers

Inverse means to reflect the graph on the plane of y=x
Thus simply switch x with y and isolate y,
x = y2 - 11
y2 = x + 11
y = root (x + 11)

The inverse of f(x) is:

y = root (x + 11)
range is y is greater than 0

21/4 times the quantity 51/2 minus k
Need help writing a expression for this phrase

Answers

Answer:

21/4 x 51/2 - k use the app Photomate if wrong

What is an equation of the line that passes through the points (5,4) and (2,-2)

Answers

Answer:

2

Step-by-step explanation:

Slope equation: (y2-y1)/(x2-x1)

y2 = 4, y1 = -2, x2= 5, x1 = 2

4 – -2 = 6

5 - 2=3

6/3 = 2

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