Dont send me pdfs or links please answer correctly for brainliest

Determine whether each sample is unbiased with complete sentences.

The population is every pet at an animal shelter.

A. Sample: Every dog is used as the sample.

B. Sample: The animals are grouped by species (dog, cat, rabbit, etc.), and five animals from each group are randomly selected to determine their age.

C. Sample: Every animal's name is dropped into a container, and 15 names are pulled out of it.

Answers

Answer 1

Answer:

C. Sample: Every animal's name is dropped into a container, and 15 names are pulled out of it.

Step-by-step explanation:

mark this brainlest please


Related Questions

Janey paints a block of wood with gold glitter for an art project. The block measures 8 inches by 10 inches by 20 inches.

After she's done, she decides to make two blocks by cutting through the block on the red line. She still wants each block to be covered with gold glitter.
What is the total area of the cut surfaces she still needs to paint?

1. What is the shape of each cut surface? What are its dimensions?
2. What is the area of each cut surface?
3. What is the total area Janey still needs to paint? Explain how you found your answer.

Answers

5 in by 8 inches by 10 inches

Write a set of 6 numbers (only 2 can be the same!), so that the mean, the median, and the mode are all 60.

Answers

Answer:

Its 2 i did the sheet

Step-by-step explanation:

58, 59, 60, 60, 61, 62

mode: 60
median: 60
mean: 60

plzzzzzzz helpppppppp

Answers

Answer:

125-5x^2

this is the answer

Answer:

-5x^2+125

Step-by-step explanation:

You need to go step-by-step here. I would actually prefer to multiply by 5 at the end, because it's easier that way. (You can multiply the terms in any order you want, though.)

So first, multiply (5-x)(5+x). This is a special product: (a-b)(a+b)=a^2-b^2, so:

(5-x)(5+x)=5^2-x^2=25-x^2

But even if you don't know that special product, you can multiply it out. Rewrite (5-x)(5+x) as 5(5+x)-x(5+x).

 5(5+x)-x(5+x)

=25+5x-(5x+x^2)

=25+5x-5x-x^2

=25+0x-x^2

=25-x^2

As you can see, the result is the same regardless of you get it. Now multiply that by 5 to get 125-5x^2, or in standard form, -5x^2+125.

Hope I could help you!

P. Find the product
of three and one-
fifths and one and
one-fourth

Answers

The answer is 4. i put it into a calculator

add b/2A the square of 1/2 of the coefficient of the x term to each side of the equation i dunno how to type it out

Answers

Answer:

1/4ab

Step-by-step explanation:

Find the area of the shape.
Either enter an exact answer in terms of π or use 3.14, point, 14 for π and enter your answer as a decimal.

Answers

The answer is 3.14 I learned this in school

Answer and explanation?

Answers

C!
One dollar = $1
And in a math equation is usually a decimal
56 cents is .56 because it’s not a whole new If you add them together you get $1.56 :) hope it helps

Tyrone is working with two other students to build a border around the school’s triangular garden. Each student brought in one side of the border, but they all used different units to measure the side lengths. The first side is 312 inches long, the second side is 20 feet long, and the third side is 12 yards long. If the measurements need to be in feet, will the three border pieces make a right triangle?

Convert the first side into feet using a proportion.

Answers

Answer:

NO, the these three border pieces will not make a right triangle

Step-by-step explanation:

Perform the necessary conversions:

1.  312 in converts to

      312 in       1 ft

     ----------- * ------- = 26 ft

        12 in         1

2.  20 ft

3.  12 yd converts to

         12 yd         3 ft

       ------------- * --------- = 36 ft

            1 yd             1

So the three different side lengths are 26 ft, 20 ft and 36 ft.

For the three pieces to make a right triangle, these measurements must satisfy the Pythagorean Theorem:

26² + 20² = 36², or 1296

676 + 400 = 1076

The Theorem is NOT satisfied, and so NO, the these three border pieces will not make a right triangle.

what kind of motion do people have on an escalator

Answers

Answer:

Not everyones is the same just before I begein explaing.. A lot of people get motion sick some don't some like going on them

Step-by-step explanation:

Answer:

uh i dont think really any motion

Step-by-step explanation:

just because they arent moving till they get off

Jonathan went to the movies with $48 he earned at his after-school job. The ticket cost $8.75. He spent $7.45 for refreshments. How much money did he have left?

Answers

Answer:

8.75+7.45=16.2. 16.2 is equal to $16.20 so 48.00-16.20=31.8. Jonathan had $31.80 left.

Step-by-step explanation:

pls help i will mark brainlyest

Answers

Answer:

2016

Step-by-step explanation:

tbh not really sure but i tried :/

Answer:

144

Step-by-step explanation:

you dont have to help me but can if u want and if u do then ill be appreciated

Answers

Answer: -40 or 40

Step-by-step explanation:

y = -1.5x + 60

y = 60 divided by -1.5

= -40

Hope this helps!

-40 or 40 (I needed more characters

23s = 322

what is s

pls and thanks!

Answers

Answer:

14

Step-by-step explanation:

322/23=14 FILLER FILLER

S is just simple multiplication because if the total is 322 than the s is just a simple way of saying what is the number so the answer is 14 just 23 x 14 =322

20 POINTS PLEASE HELP ASAP!!!
The graph shows the depth, y, in meters, of a shark from the surface of an ocean for a certain amount of time, x, in minutes:

Part A: Describe how you can use similar triangles to explain why the slope of the graph between points A and B is the same as the slope of the graph between points A and C.

Part B: What are the initial value and slope of the graph and what do they represent?

Answers

Step-by-step explanation:The slope of AB and BC are the same.

The initial value is 60 m and the slope is 40 m/min.

Step-by-step explanation:

The graph shows the depth, y, in meters, of a shark from the surface of an ocean for a certain amount of time, x, in minutes.

See the graph attached.

Part A : If we consider two right triangles one Δ ABD and Δ BCE, where D(2,100) and E(1,60) points.

Now, those two triangles are similar and hence the slope of line segment AB will be .

Again, the slope of the line segment BC will be

Hence,  and the slope of AB and BC are the same. (Answer)

Part B : From the graph, it is clear that the initial value of the graph is 60 m and it represents that initial position of the shark i.e. at t = 0 min, the shark was at a depth of 60 m from the water surface.

The slope of the graph is 40 means the rate of change of distance from the Ocean surface of the shark with respect to time in minutes will be 40 m per min. (Answer)

GIVING BRAINLIEST
Look at the stem-and-leaf plot. What is the mode?

A) 0
B) 1
C) 20
D) 31

Answers

The only reasonable answer is B.
It has to be (B) because that’s the only way

Plssss I need it now

Answers

Answer:

Rachel just started a new job that pays 7 dollars per hour. She only worked 3 hours and decided she wanted to go to the mall to buy some clothes. How much money does Rachel have to spend?

Step-by-step explanation:

Bronqueque just busted a nut of 21 ounces (WOAH THATS BIG) then she peed (p) an ounce greater than or equal to the amount of nut that came out of her coochmagooch. Write an equation for this problem.

PLEASE HELP!!!!!!
Deja and Allen have a blueprint of their backyard. However, they need to increase it in order to see it better.


1. How can we apply a scale factor of 2 to this shape?

Answers

Answer:

Double Both Sides of the square to increase the size. Scale Factor: 2/3

Step-by-step explanation:

What he said...............

Find the area of the shape. Each unit square = 5 meters.

Answers

Answer:

The area [I'm pretty sure] is 600 meters squared

Step-by-step explanation:

25 x 24 = 600

Your answer is 600^2

Teri wanted to hit 24 home runs this season. However, she hit 125% of her goal. How many home runs did Teri hit this season?

Answers

Answer:

30 home runs

Step-by-step explanation:

0.24×125=30

hope this helps

30...................

Brad paid for a book that cost $13.40 with a $20 bill. What is the least combination of coins and bills that can be used to make his change? What are two other different combinations of coins and bills that can be used to make the change?

Answers

Answer:

First combination: One $5 bill, one $1 bill, two quarters and one dime.

Second combination: One $5 bill, one $1 bill, two quarters and two nickles.

Step-by-step explanation:

I highly suggest reading it to make sure you understand it

Okay so for this one you're going to want to do 20.00-13.40. The answer to that is 6.60

So we have to work with $6.60

Now lets think of the obvious/easiest.

A $5 bill is going to be our best friend in this.

We have to do

6.60-5.00=x

(Don't freak out about x, it's just our place marker!!)

The reason we do 5.00 is because that's what $5 is.

So let's solve now.

6.60-5.00=1.60

So x=1.60

But you don't have to worry about x, I'm just explaining it from before.

So we have to keep in mind that we used one $5 bill. Now let's use one $1 dollar bill.

1.60-1.00=0.60

So now we only have to figure out how to get 60 cents from any of the coins.

A quarter is 25 cents so lets use two of those

25+25=50

60=50=10

Lets recap on everything we've used so far.

We've used one $5 bill, one $1 bill, and two quarters.

Now we're going to add a dime to the mix.

A dime is worth 10 cents.

So for the first combination we used: One $5 bill, one $1 bill, two quarters and one dime.

Now our second combination is going to be really easy.

We can use almost everything the exact same, we're only going to switch up the dime part.

1 dime = 2 nickles

Nickles are worth 5 cents

So we take out the dime and replace it with two nickles.

So for the second combination we use: One $5 bill, one $1 bill, two quarters and two nickles.

please help!
giving extra points and brainlest if you show on a piece of paper on how to solve-thank you please be serious or i will take away points.

Answers

Step-by-step explanation:

I hope this is what you're looking for

Hope this helps ! Thx for spreading the info in the comment!

Mr. Weller paid $350.00 interest for a two-year loan, at 3.5% simple annual interest. How much money did he borrow?

Answers

Answer:

$5,000

Step-by-step explanation:

the answer would be $5,000

Please answer ASAP I need this right now

Answers

Answer:

Step-by-step explanation:

m=2  y=9x 2-2x=1

Yes the answers above are correct

Brooklyn was writing an article for her school paper and read a report that said 2 out of 20 items purchased at a clothing store were returned. The percent of items returned to the clothing store was _______ %

Answers

Answer:

10%

Step-by-step explanation:

1/20 = 5/100

5/100 = 5%

1/100 = 1%

2/20 = 10/100

10/100 = 1 x 10 = 10%

Hope this helps :D

2/20 = 1/10. 1/10=10%

Two fair number cubes are rolled. The table below shows the possible outcomes for each number cube and their sum.

+ 1 2 3 4 5 6
1 2 3 4 5 6 7
2 3 4 5 6 7 8
3 4 5 6 7 8 9
4 5 6 7 8 9 10
5 6 7 8 9 10 11
6 7 8 9 10 11 12

What is the theoretical probability of rolling two numbers with a sum of 11?

Answers

Answer:

2 box probability=12/2

22/12 is answer

Step-by-step explanation:

Hope this helps!!

Hopefully, i am not late

start at 200. create a pattern that multiplies each number by 2. stop when you have 5 numbers

Answers

Answer:

200 → 400 → 800 → 1600 → 3200

Step-by-step explanation:

starting at 200 and multiplying by 2 until you have 5 numbers.

Answer:200,400,800,1600,3200

Step-by-step explanation:

Select the three numbers that show 225% as an equivalent fraction, decimal, or percent. (Hint- There are three correct answers: you must choose three answers.)


A 225/50 B 225/100 C 9/4 D 0.225 E 2.25

Answers

Answer:

The answers are B, C and E

Step-by-step explanation:

B: You put it over 100

C: same fraction but mixed number and in simplest form

E: just divide by 100

Answer:

The correct answers are 2.25, 9/4, and 225%

Step-by-step explanation:

what is g if, g + (g + 21) + (2g - 6) = 191

Answers

Answer:

g=44

Step-by-step explanation:

(2g+21) + (2g-6)=191

1. Eliminate redundant () :

2g+21+2g-6 =191

2. Subtract numbers:

2g+15+2g=191

Combine like terms:

4g+15=191

4g=176

Divide:

4g/4=146/4

Solve:

g=44

g=44

44+(44+21)+(2[44]-6)
44+(65)+(2[44]-6)
44+(65)+(88-6)
44+(65)+(82)
44+65+82
109+82=191

A right cubic prism has edges of 3 1/4 inches. How many cubes with side lengths of 1/4 inches would be needed to fill the prism?
A 9.75 cubes
B 34.33 cubes
C 2,197 cubes
D 4,394 cubes

Answers

C. 2,197 cubes. Each side length contains 13 cubes. To find the total, you just figure out (13)(13)(13)=2197

HELP ASAP WILL GIVE BRAINLIEST!

Answers

Answer:it a

Step-by-step explanation:

the answer is c because the definition of multiplicative inverse is :

In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a/b is b/a. For the multiplicative inverse of a real number, divide 1 by the number.

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