Need done ASAP
After measuring the foot size of 15 of his biology classmates, Laquon finds the average value and claims that it is the
average foot size of all 1,200 students in his high school.
What is most likely a problem with Laquon's conclusion?

A) He should have found the mode instead of the average.
B) He should have used shoe size instead of measuring feet.
C) The amount of data he collected was inadequate.
D) The data he collected was measured incorrectly.

Answers

Answer 1

Answer: C. The amount of data collected was inadequate:

Step-by-step explanation: Interviewing 15 students out of 1,200 does not show an accurate result, as he should have interviewed more students. Also, just took the quiz.


Related Questions

is f(x)=c Surjective, Injective or Bijective ?​

Answers

Answer:

idk p:

Step-by-step explanation:

oof 9:::::::::::::::::::::::::

Answer:

Bijective (I believe)

Step-by-step explanation:

A bijective function, f: X → Y, where set X is {1, 2, 3, 4} and set Y is {A, B, C, D}. For example, f(1) = D.

WHAT IS 10/10 AND 20/20 I NEED HELP ON THIS MULTICATION

Answers

Answer:

a whole?????

Step-by-step explanation:

10x10= 100 and 20x20=400 if that what you are looking for

What value(s) of x will make x2 = 25 true?

Answers

Steps to solve:

x² = 25

~Take the square root of both sides

x = ±5

Best of Luck!

Answer:

[tex]\large\boxed{x=5}[/tex]

Step-by-step explanation:

[tex]x^{2}[/tex] = 25

Find the square root of 25 to find the value of x (get rid of the exponent).

[tex]\sqrt{25}[/tex] = 5

[tex]\large\boxed{x = 5}[/tex]

Hope this helps :)

73% of what is 7.1?
a. 5.2
b. 518.3
C. 9.7
d. 38

Answers

Answer:

Answer is 9.7

I used calculator

The answer would be B, as 73% of 71 equals 51.83%

PLEASE HELP! this is due today!

Answers

Answer:

For question 9 = 54

Step-by-step explanation:

54 + 67 = 121

67 - 54 = 13

Answer:1.)k+2x  2.)54  3.) i think is n+n=145

Step-by-step explanation:


Isabel wrote 10 letters to friends each month for x months in a row. Write an expression to show how many total
letters Isabel wrote.

Answers

Answer:

10x

X = Months

10 = letters each month

what is the absolute value of 2.3

Answers

Answer:  2.3

The absolute value of any positive number is that number itself.

If you take the absolute value of a negative number, then just erase the negative sign and you have your answer.

The absolute value is never negative. It represents distance from that value to 0 on the number line.

So saying |2.3| = 2.3 means the number 2.3 is exactly 2.3 units away from 0 on the number line.

Another example would be |-7| = 7 showing that from 0 to -7 is 7 spaces.

The required absolute number of 2.3 is also 2.3.

GIven that,
An absolute number of the value 2.3 is to be determined.

What are functions?

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

The absolute number is defined as the outcome of the modulus function is called the absolute number or all natural numbers are examples of absolute numbers.

Here,
For the absolute value,
f(x) = |x|
f(2.3) = |2.3|
(since |x| = x or | -x  | = x )
f( 2.3 ) = 2.3

Thus, the required absolute number of the value 2.3 is 2.3 itself.

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Name a fourth point that lies in the same plane as points W, S, and Z.
The image consists of a cuboid with VUZY as front side and STXW as back side respectively.

Answers

Answer:

Is it y

Step-by-step explanation:

Given a circle with endpoints of a diameter at –10 – 1i and 6 + 11i, answer the questions below. 1. The center of the circle is at ---+ --- i.

Answers

The center of the circle is at -2 + 5i.

What are Complex Number?

Complex Numbers. Complex numbers are those that are expressed as a+ib, where a and b are actual numbers and I is a fictitious number called a "iota."

Complex numbers are numbers that consist of two parts — a real number and an imaginary number.

Given:

Diameter = –10 – 1 i = (- 10, - 1)

6 + 11 i = (6, 11)

Given that we are aware that these are the diameter's endpoints, it follows that the circle's center is the place that lies midway between the endpoints.

Then,

x = (-10 + 6) / 2

  = - 4 / 2

   = -2

y = (- 1 + 11) / 2

   = 10 / 2

   = 5

Hence, the center is located at (- 2, 5).

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Use the law of conservation of momentum to determine the answer to the
flowing question: In this group, there are two hockey pucks, both with a mass of
0.25 kg. One is traveling at 2 m/s. The other is at rest. What is the momentum of
this group of objects?

Answers

Given :

Two hockey of same mass.

One is travelling at a speed of 2 m/s.

Other is in rest or 0 m/s.

To Find :

The momentum of  this group of objects.

Solution :

Since , no external force is applied , so momentum will remains same :

Momentum of group of objects ,

[tex]M = mv_1^2+mv_2^2\\\\M = 0.25\times 2^2+0.25\times 0\\\\M=1 \ kg \ m/s[/tex]

Therefore , momentum of the system is 1 kg m/s.

Hence , this is the required solution.

Valentino wants to estimate the product (5.2)(9.9). Which expression shows each factor rounded to the nearest whole
number?
(5)(9)
(6)(10)
(6)(9)
(5)(10)

Answers

Answer:(5)(10)

Step-by-step explanation:

Answer:

(5)(10)

Step-by-step explanation:

16-x=-5
Solve for x!!!!!!!

Answers

The answer is x=21

16-x=-5
-16 16
0 21

X = 21

Answer:

x = 21

Step-by-step explanation:

Given

16 - x = - 5 ( subtract 16 from both sides )

- x = - 21 ( multiply both sides by - 1 )

x = 21

Write "k:6" in words in two different ways.

Answers

Answer:

k to 6, k over 6.

Step-by-step explanation:

Answer:

k over 6  k to 6  

Step-by-step explanation:

: means to and over   :) please mark brainliest


distance, midpoint, and angle measurement a walk in the park

Answers

Answer:

Step-by-step explanation:

The distance between to things is how far apart those two things are.

The Distance Formula is

d = √[(x1 - x2)² + (y1 - y2)²]

Midpoint: This is the point that bisects a segment in the middle.

The Midpoint formula is:

M = [(x1 + x2)/2, (y1 + y2)/2]

Angle is a point where two straight lines meet.

what steps do i take to solve this?​

Answers

Answer:

B; The second answer

Step-by-step explanation:

The question is asking about the associative property of addition. This involves the rearranging of the parenthesis. If you were to solve the given equation, and solve the the answer, then you will get the same answer. In this property, it says that you will get the same result if you were to move/switch the parenthesis from the values; This means that order doesn't matter.

find the slope of the line containing the points (3,-2) and (-1,6)​

Answers

Answer: the answer is -2

Step-by-step explanation: use slope formula

of poopp chunkyh rudntp ejid

A rectangle has an area of 4x2 +19x + 12 and a length of (x + 4). What is the width?

Answers

The answer is (4x + 3) (x + 4)

The width of the rectangle with an area x² = 19x + 12 is (4x + 3).

What are the area and perimeter of a rectangle?

The area of a rectangle is the product of its length and width.

The perimeter of a rectangle is the sum of the lengths of all the sides.

We know the area of a rectangle is (length×widh).

Given, A rectangle has an area of 4x² + 19x + 12 and a length of (x + 4).

∴ width of the rectangle is = (4x² + 19x + 12)/(x + 4).

Or, we know that the product of two linear equations is a quadratic so,

4x² + 19x + 12.

4x² + 16x + 3x + 12.

4x(x + 4) + 3(x + 4).

(x + 4)(4x + 3).

So, the width of the rectangle is (4x + 3).

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Which expression is equivalent to x to the power of 4 multiply by x to the power of negative 2 is?

Answers

X^4 x X^-2 I try I think is this

Which of the following are equivalent to y’z-4?
Notebo...
Select all that apply.
ay?
2
4
Quarter
Quarter
b. y? (-24)
C.
2
y
d
yy
CE

Answers

Answer:

a is the answer because when x⁴ will go up it will be x-4

The answer is a hope it helps

Jerry bought a coat on sale for 30% off. The sale price for the coat was $63, what is the regular price for the coat?

Answers

Answer:

The original regular price for the coat is $90

Step-by-step explanation:

The given information in the question are;

The percentage that was off (removed) from the sale price = 30%

The sale price at which Jerry bought the coat = $63

Whereby the regular price = P, we have;

P - 30% of P = $63

P - 0.3×P = $63

P×(1 - 0.3) = $63

0.7·P = $63

P = $63/0.7 = $90

Therefore, the regular (original) price for the coat = $90

The coat regular price at which the coat is displayed is at $90.

What is the value of 4s2+10 if s=9?

Answers

Answer:

82

Step-by-step explanation:

4x9=36x2=72+10=82

Answer:

82

Step-by-step explanation:

Plug in the 9 for s

4(9)2+10

Remember PEMDAS

Parentheses first, then multiply the 2

72+10=82

Its a Yes or No question but plz explain

Answers

Answer:

No

Step-by-step explanation:

f(x)= 4/-x-2

inverse

f-1(x)= -4/x-2

A store sells the basic model of a phone for $60 and the upgraded model for $200. It costs the store $10 to buy each
basic model and $50 to buy each upgraded model from the phone company, On Tuesday, the store has $1,800 in
sales for these two models, and it paid the phone company $400 to buy these phones. How many upgraded models
did the store sell on Tuesday?
O 6 upgraded phones
10 upgraded phones
15 upgraded phones
42 upgraded phones

Answers

Answer: A, 6

Step-by-step explanation:

Edg

What is the equation for the kind of reflection?

Answers

Answer:

A vertical reflection is given by the equation y=−f(x) y = − f ( x ) and results in the curve being “reflected” across the x-axis. A horizontal reflection is given by the equation y=f(−x) y = f ( − x ) and results in the curve being “reflected” across the y-axis.

A store employee creates a display of sleds priced at $40 apiece. The store paid $32 for each sled. What is the mark-up percentage

Answers

Answer:

Mark-up percentage is 25%.

Step-by-step explanation:

From the question, the store bought each sled at $32 which is the cost price. The sled was display for sale at $40 apiece.

Mark-up percentage = [tex]\frac{selling price - cost price}{cost price}[/tex] x 100%

But,

selling price - cost price = $40 - $32

                                        = $8

So that,

Mark-up percentage = [tex]\frac{8}{32}[/tex] x 100%

                                  = 0.25 x 100%

                                  = 25%

Therefore, the mark-up percentage is 25%.

Answer:

25%

Step-by-step explanation:

Yolanda bought a rose bouquet. The equation C = 1.5r+6 represents the cost, C, of a rose bouquet that has r roses. Yolanda's bouquet
cost $30.
How many roses were in Yolanda's bouquet?
O A 16
B. 20
O c. 24
D. 26
O E 36

Answers

Answer:

A. 16 roses

Step-by-step explanation:

30 - 6 = 24

24 divided by 1.5 equal 16

r = 16

hopefully this helps you :)

pls give me brainlest :)

Which of the following expresses the sum of 54 and 30 as a product? * O 6 (54 + 30) O 6(9+5) O 9 (6+5) O 9 (54 + 30)​

Answers

6(9+5)

Step-by-step explanation:

para alumbrar un parque, se colocan luminarias a lo largo de una longitud de 100 metros, si la primera se coloca en el metro 1, la siguiente en el metro 4, la que sigue en el metro 7, y así sucecibamente. en las siguientes posiciones se colocará una luminaria exepto en el metro: a)13 b)19 c) 21 d)28 ayudaaaaaaa​

Answers

Answer:

c)21

Step-by-step explanation:

"To light a park, luminaries are placed along a length of 100 meters, if the first is placed in meter 1, the next in meter 4, the next in meter 7, and so on. in the following positions a luminary will be placed except in the subway:

a)13 b)19 c) 21 d)28? "

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

Luminaries position:

1, 4, 7, ...

It makes an AP with the first term of 1 and common difference of 3

The formula for this AP is:

aₙ = 1 + 3(n-1) = 1 + 3n - 3 = 3n - 2

From the given options, only one is not in the same format:

c) 21

because

21 = 3n - 2 ⇒ 3n = 23 and n= 23/3 is not an integer

Answer is: c) 13

Solve 3(x + 1) + 6 = 33.
Plz

Answers

Answer:

The answer is b.

Step-by-step explanation:

Just substitute it. :)

3(8+1)+6=33

8+1=9

9*3=27

27+6=33

Answer:

the answer is b or 8

Step-by-step explanation:

just plug all of them and see if it makes sense

5. Theresa decides to donate money to cancer
research each year. Her brother, Tony, also decides
to contribute. Together, they donate $1,000 per
year to cancer research. If Tony is able to donate
1 1/2 times the amount that Theresa is able to
donate, what is the amount in dollars that Tony
will donate after 5 years, assuming the amount
and proportions remain the same cach year?
A. $2.000
B. $2.100
C. $2.450
D. $3.000
E. $3.600

Answers

Answer:

3000

Step-by-step explanation:

Tony will donates $3000 after 5 years.

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Donated amount= $1000

Tony is able to donate 3/2 times the amount that Theresa donates.

let Theresa donates x dollar each year

So, x+ 3/2x = 1000

5x/2 = 1000

5x = 2000

x= 400

Thus, Tony donate = 3/2 x 400 = $600

Hence, After 5 years Tony will donate= 600 x 5= $3000

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