In the following problems, you will make an inference, or prediction, based on the sample from a population. Write two to three complete sentences.

1. There are 200 students in the 7th grade. The students were asked to sign up for their favorite field day activity in gym class. A sample showed that 45 students signed up for tug of war, 15 students signed up for the relay race, and five students signed up for the hula hoop contest. What can you predict about field day?

Answers

Answer 1

Answer:

Hope it helps

Step-by-step explanation:

I predict that most of the students that didn't sign up yet, are going to play tug of war. The 45 student that sign up for tug of war are at 22.5%, then for the relay race( 7.5 %) and hula hoop contest is 10 %. But it could change because only 65 sign up, and there 155 students left that has not sign up.


Related Questions

The owner of a small restaurant bought 75 kilograms of rice. Each week, the restaurant uses 4.5 kilograms of rice.



Function `r` gives the remaining amount of rice, in kilograms, as a function of the number of weeks since the restaurant owner bought the rice.



Solve the equation `r(w)=30`and explain what the solution means in this situation.

Answers

Answer:

r(t) = 75 kg - (4.5 kg/wk)w

Step-by-step explanation:

Let r(t) represent the amount of rice remaining after w weeks.

Then:

r(t) = 75 kg - (4.5 kg/wk)w

please mark as brainliest

Answer:

w=10 and this means that 10 weeks after the rice was bought, 30 kilograms of rice remain.

Step-by-step explanation:

r(w)=75-4.5w is an equation for this function so I'll be using this. First insert r(w)= 30 into the equation.

75-4.5w=30

75-75-4.5w=30-75

-4.5w=-45

-4.5w/-4.5 = -45/ -4.5

w=10

Apologies if the explanation isn't thorough, I'll glady provide more details if necessary.

help meeee plsssssssss??

Answers

Answer:

c

Step-by-step explanation:

Find the value of x - this is circle segments.

Answers

Given:

Diagram of a circle and its two secant from an exterior point.

To find:

The value of x.

Solution:

We know that, If two secant are on a circle from an exterior point, then the products of measure of secants and measure of external segments of secants are equal.

Using the above property, we get

[tex](x+7)x=(2+2)2[/tex]

[tex]x^2+7x=(4)2[/tex]

[tex]x^2+7x=8[/tex]

[tex]x^2+7x-8=0[/tex]

Splitting the middle term, we get

[tex]x^2+8x-x-8=0[/tex]

[tex]x(x+8)-1(x+8)=0[/tex]

[tex](x+8)(x-1)=0[/tex]

Using zero product property, we get

[tex](x+8)=0[/tex] and [tex](x-1)=0[/tex]

[tex]x=-8[/tex] and [tex]x=1[/tex]

Side cannot be negative.

Therefore, the only possible value of x is 1.

What is the name of the quadrilateral that has four right angles and four congruent sides?
a.
trapezoid
c.
square
b.
rhombus
d.
parallelogram


Please select the best answer from the choices provided

A
B
C
D

Answers

Its Is square hope this helps

So I need help and I don't know what I did wrong.

I got 35648 and then when I insert it into my calculator I got 35648 and then I got 188.0 and I don't see an answer choice for it and I'm confused about what I did wrong. Can someone please give me an explanation? Btw this is about the Pythagorean Theorem aka square root

Answers

Answer:

28.3

Step-by-step explanation:

Answer:

28.3

Step-by-step explanation:

Use the Pythagorean theorem a^2 + b^2 = c^2

x is a, 17 is b, and 33 is c

x^2 + 17^2 = 33^2

Simplify:

x^2 + 289 = 1089

Subtract 289 from both sides:

x^2 = 800

Square root both sides:

x = √800

√800 is 28.28427, or 28.3

What is the area of the triangle?

Answers

Answer:

24units squared

Step-by-step explanation:

The area of a triangle is B*H/2=A so 8*6=48. 48/2=24

Answer:

I believe that the answer is 24 units squared

Step-by-step explanation:

Please help with the question in the image

Answers

Answer: Irrational, Whole,Rational Number,and a Integer

Step-by-step explanation:

Sorry if I'm wrong

Answer:

Irrational, Whole,Rational Number,and a Integer  

Step-by-step explanation: Sorry if I'm wrong

a plane was taking off from the local airport, as shown below by the illustration. what is a good estimate of the angle measurement that the belly of the plane is making with the runway on take off ?

A.60
B.45
C.30
D.15

Answers

Answer:

B

Step-by-step explanation:

It would be 45 degrees to the runway.

Hope this helps!

the answer is b 45 cause i looked it up

Jiro buys 2 rocks that each cost the same amount, r, and a magnifying glass
that costs $5. The total cost is $9. Model this situation with an equation and a
hanger diagram.

Pls help i will give brainly

Answers

Answer: 2r+5=9

2r so r+r+5=9

pls help i will give brainliest

Answers

Answer:

10.5

Step-by-step explanation:

10.5 is the answer, you are welcome

Which one isnt shown on a credit report

Answers

It is school attended because it does not impact your income and has nothing to do with how trustworthy you are to pay back any kind of loan (which is basically what a credit score is)

Answer:

It is school attended

Step-by-step explanation:

Which of these is an example of a rectangular prism?

A
a round can of soup

B
a pile of rectangular cards

C
a pile of circular Frisbee

D
a stack of triangular hats

Answers

Answer:

B

Step-by-step explanation:

Answer:

B. a pile of rectangular cards

this is because the cards are rectangular and they form the sides of the prism. then when they come together, they form triangles, which are the bases.

The table shows one student's
results from spinning the pointer
30 times. Complete parts a and b.
Spinner Frequency
Outcome 12 3 4 5
Frequency 9 5 5 74
find the experimental probability and the theoretical probability.

Answers

The experimental probabilities of each outcome are given as follows:

Outcome of 1: 9/30 = 3/10.Outcome of 2: 5/30 = 1/6.Outcome of 3: 5/30 = 1/6.Outcome of 4: 7/30.Outcome of 5: 4/30 = 2/15.

The theoretical probability of each outcome is given as follows:

1/5.

How to calculate a probability?

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes.

For the experimental probability, we consider the 30 trials in the table.

For the theoretical probability, we consider that each of the outcomes is equally as likely, hence the probability is given as follows:

p = 1/5.

More can be learned about probability at https://brainly.com/question/24756209

#SPJ1

Can someone plz help thxs ( do not put links and this is NOT a scam)

Answers

Answer:

A and B

Step-by-step explanation:

1 yard= 3 feet

56/12=4.66667

A is 3 feet

and B is 4.666667 feet

Find the value of x - this is circle segments.


Answers

Answer:

ummm 1 i think

Step-by-step explanation:

hope its right

Explain why you divide by 2 for triangles and why you divide by 3 for pyramids

Answers

Answer:

triangles are half a rectangle/square. So thats why you divide by 2. diving by 2 is also multiply by 1/2.

pyramids are in 3 dimensions, so since they are like half, but in three dimensions, you divide by 3, in other words multiply by 1/3.

Step-by-step explanation:

the graph shows the solution to which system of inequalities?

Answers

Answer:

The orange one is the answer

Step-by-step explanation:

The easiest way to find the solution is to plug in one of the coordinates that is located in the shaded area into each equation. If the equations make sense, as they do in the orange option, you have your answer.

Hope this helps you!

Answer:

Step-by-step explanation:

I believe the first one

Read the following information, and answer the questions below: Salvidore and Thomas are both writing a paper for school. At the start of the week, Salvidore has already written 4 pages, and he continues to write 2 pages a day. Thomas has already written 2 pages at the start of the week, but he writes faster at a rate of 2.5 pages a day.

Write a linear equation for Salvidore

Write a linear equation for Thomas

After how many days will they have written the same number of pages? How many pages will they have written at this point?

Using your answer from above, write this information as an ordered pair:

Answers

Answer:

2 + 2 =5

Step-by-step explanation:

2 - 2 = 4

please help with math,

Answers

Answer:

a= times two

b= times 1.25

MARK ME BRAINLIST PLEASE

The sum of the lengths of is 25.82 cm. The length of is 5 cm and the length of is 14.7 cm. What is the length of and what kind of triangle is this?
A. 6.12 cm; scalene
B. 6.12 cm; isosceles
C. 6.22 cm; scalene
D. 6.22 cm; isosceles

Answers

Answer: A. 6.12 cm; scalene

I think

Step-by-step explanation:

that's the answer i got.

Hi, can someone help me finish this?

Answers

Answer:

Just B

Step-by-step explanation:

help me please..........

Answers

Answer:

12 ( B )

Step-by-step explanation:

mode means the number that appears the most often

in that case the mode is 12 ( B )

12 (B) hope this helps

True or false: In order to fill this figure with unit cubes, you would need to fill in 7 cubes in length, 10 cubes in height, and 3 cubes in width. Then, you would fill the rest of the space with cubes.

Answers

The answer to this is true
The answer is true.

today i feel like giving out brainly points : )

Answers

Answer:

84

Step-by-step explanation:

14x6

Answer:

hui

Step-by-step explanation:

84

pls help will give brainliest

Answers

Answer:

3%

Step-by-step explanation:

42%-39%=3%

What the guy above me said

Find the circumference of the circle. Round your answer to the nearest hundredth. 3 in. The circumference is about inches​

Answers

Answer:

182.49

.

Step-by-step explanation:

22/7*7.62cm*7.62cm =182.49 to the nearest hundredth

The two plots below show the heights of some sixth graders and some seventh graders:

Two dot plots are shown one below the other. The title for the top dot plot is Sixth Graders and the title for the bottom plot is Seventh Graders. Below the line for each dot plot is written Height followed by inches in parentheses. There are markings from 52 to 57 on the top line and the bottom line at intervals of one. For the top line there are 2 dots above the first mark, 1 dot above the second mark, 1 dot above the third mark and 2 dots above the fourth mark. For the bottom line, there is 1 dot above the third mark, 1 dot above the fourth mark, 3 dots above the fifth mark and 1 dot above the sixth mark.

The mean absolute deviation (MAD) for the first set of data is 1.2 and the MAD for the second set of data is 0.8. Approximately how many times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders? (Round all values to the tenths place.)

1.5
2.2
3.0
4.6

Answers

Answer:

The number of times the  variability in the heights of the seventh graders is the variability in the heights of the sixth graders is:

                         3.0

In order to find the variability between the two sets we divide the mean absolute deviation of the first set of data by the mean absolute deviation of the second set of the data.

The MAD of first set of data is: 1.2

and MAD of second set of data is: 0.4

Hence, let n be the number of times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders.

Step-by-step explanation: i Just said it 3.0 Hope this help ..lolz <3

hdhfhdhdjxjxnxnxnxhcjcjdjd

Please find the angles

Answers

Answer:

<1 = 50

<2 = 40

<3 = 90

<4 = 90

<5 = 40

<6 = 50

<7 = 130

Step-by-step explanation:

<5 + <6 = 90

40 + <6 = 90

<6 = 50

<5 = <2 because of vertical angles

<2 = 40

<6 = <1 because of vertical angles

<1 = 50

<7 = <4 + <5

<7 = 90 + 40

<7 = 130

Answer:

Solution given:

<4=90°[vertically opposite angle]

<2=<5=40°[vertically opposite angle]

<3=90°[right angle]

again

<1+<2=90°[right angle]

<1=90°-40°=50°

<1=50°

again

<5=40°[given]

<6=<1=50°[vertically opposite angle]

<6=50°

again

<7=<4+<5=90°+40°=130°

what is the absolute value of negative 75? ∣−75∣ =?

Answers

the absolute value is positive 75.

Answer:

the answer is -5625

Step-by-step explanation:

PLZ HELP

Jades mother said he could go ice skating on the pond if the temperature warmed up to at least 15 *F. When he looked at the thermometer, the temperature was -13 *F. How many degrees does the temperature have to rise before Jaden can go ice skating?

A- 2*

B- 13*

C- 15*

D- 28*

E- 30*

Answers

Answer is D (28)

28°-13°=15°
So it need to rise 28°
Answer D (28) because 28*-(-13*)=15*
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