11 students in the Environmental club represent 4% of the students in the seventh grade. How many students are in the seventh grade?

Answers

Answer 1

Answer:

275

Step-by-step explanation:

The best way to do this is to set it up in this equation:

4/100 = 11/x, in this, the 4 over 100 represents 4% out of 100%. The 11 over x represents the 11 students out of x amount of students. With this equation, you cross multiply to get 4x = 1100. Then you divide both sides by 4 to get x by itself. This will give you x=275

Answer 2

After solving the equation, the total number of students in the 7th grade is 275.

What is the Percentage?

The Latin phrase "per centum," which means "by the hundred," is where the English word "percentage" comes from. Percentage segments are those with a numerator of 100. In other words, it is a connection where the whole is always deemed to be valued 100.

As per the data mentioned in the question,

Total number of students in the Environmental club = 11

Percentage of students from 7th grade = 4%

Let the total number of students in 7th grade be x

Then, the equation according to the statement will be,

4% of x = 11

So,
x = (11 × 100)/4

x = 275

To know more about Percentage:

https://brainly.com/question/29306119

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Related Questions

Solve |x| > 5

{ x| x < -5 or x > 5}
{ x|-5 < x < 5}
{-5, 5}

Answers

Answer:

x>5

Step-by-step explanation:

|x| its absolute value so it stays the same X

49. 5 is what percent of 33?

Answers

Answer:

15.15

Step-by-step explanation:

Answer: 150%

Step-by-step explanation:

Write a fraction first and then convert to a decimal by multiplying by 100% then

We could check this by finding out how much 49.5 is more than 33.

49.5

33

=

16.5

Therefore 49.5 is (100%+50%) of 33.

Credits: Socratic for helping me

Y=2x + 4? What type of graph represent the solutions of the equation

Answers

Answer:

Ummm Linear? Up 2 Over 4

Step-by-step explanation:

Select all ratios equivalent to 3:2.

2:12 18:14 27:18

Answers

Answer:

27:18.

Step-by-step explanation:

27/9 = 3

18/9 = 2

Answer:

27:18

more equivalent ratios:

6 : 4

21 : 14

How many degrees of freedom will the error have in a randomized block design with five treatments and three blocks?
a. 2.
b. It will depend on the total sample size.
c.4.
d. 8.

Answers

Answer:

A. 2

Step-by-step explanation:

Degree of freedom is expressed according to the formula as shown;

Degree of freedom = Sample size (Treatments) - number of parameters(Block)

Given

Number of treatments = 5

Number of blocks = 3

Degree of freedom = 5 - 3

Degree of freedom = 2

Hence the error will have 2 degrees of freedom in the randomized block design.

4. In a normal distribution with u=150, o = 12.5 find P(x < 145).

Answers

Answer:

i know it hard but i know u get there

Nadia is a stockbroker. She earns ​a 12% commission each week. Last​ week, She sold ​$7500 worth of stocks. How much did make last week in​ commission? If she averages that same amount each​ week, how much did she make in commission in​ 2011?

Answers

Answer:900

Step-by-step explanation:

Graph y=6x + 2 −3x2

a =

b =

c =

Answers

Answer:

Graph y=3x^2+6x-2. y=3x2+6x−2 y = 3 x 2 + 6 x - 2. Find the properties of the given parabola. Tap for more steps... Rewrite the equation in vertex form.

Step-by-step explanation:

Then plug this x back into the original equation, y=3x2−6x−2

The gypsy moth is a serious threat to oak and aspen trees. A state agriculture department places traps throughout the state to detect the moths. When traps are checked periodically, the mean number of moths trapped is only 0.4, but some traps have several moths. The distribution of moth counts is discrete and strongly skewed, with standard deviation 0.6. (a) What are the mean and standard deviation of the average number of moths x in 45 traps

Answers

Answer:

Mean = 0.4

Stand deviation = 0.08944

Step-by-step explanation:

1.

This question tells us that the mean of trapped moths is only 0.4

Therefore the mean = E(X) = 0.4

2.

The standard deviation of the sample mean is

= σ/√n

σ = 0.6

n = 45

When we put these values into the formula we will have:

0.6/√45

= 0.6/6.708

= 0.08944

So in conclusion, the mean is 0.4 and the standard deviation is 0.08944.

Thank you!

For a specific location in a particularly rainy city, the time a new thunderstorm begins to produce rain (first drop time) is uniformly distributed throughout the day and independent of this first drop time for the surrounding days. Given that it will rain during some period on both of the next two days, what is the probability that the first drop of rain will be felt between 9:15 AM and 2:50 PM on both days

Answers

Answer:

The required probability = 0.0541

Step-by-step explanation:

From the given information:

The probability that it will rain throughout the day is uniformly distributed & independent of the surrounding days.

Assuming that (P₁)  represents the probability that it will rain between 9:15 am to 2:50 pm on day 1.

The time interval is 5 hours 35 minutes long.

= 5.583333 hours long

Thus;

P₁ = 5.583333/24

P₁ = 0.2326

Assuming that (P₂)  represents the probability that it will rain between 9:15 am to 2:50 pm on day 2.

P₂ = P₁ = 0.2326

Therefore, the total probability = P₂ × P₁  (independent events)

= 0.2326 × 0.2326

= 0.05410276

0.0541

 

what is the percent increase from 3.5 to 3.5

Answers

Answer:

0

Step-by-step explanation:

There is no increase

Answer:

0

Step-by-step explanation:

there is no increase in percent

Which equation below matches the relationship shown in the table?

Answers

Answer:

y = 3x + 0.5

Step-by-step explanation:

What's a common denominator for 1/2 and 1/14 SOMEONE PLEASE HELP IM ABOUT TO TAKE A TEST!!!!!!!!!!!

Answers

Answer: common denominator between 2 and 14 is 28 add 14 twice and you’ll get an even number now find out how many times you multiplied by two

Step-by-step explanation:

Answer: a common denominator for 1/2 would be 4 and for 1/14 it would be 28

Step-by-step explanation: to find common denominator you can either multiply or divide, but in this situation since the numerator is one you can only multiply. i chose to multiply them by 2.

1 x 2 = 2 = 2/4

2 x 2 = 4

1 x 2 = 2 = 2/28

14 x 2 = 28

X+8=13
That’s my question

Answers

x+8 = 13
subtract 8 from both sides
x= 5
hope this helps! please mark brainliest

Answer:

x = 5

Step-by-step explanation:

x + 8 = 13

x = 13 - 8

x = 5

Hope this helps :)

1.) Look at the figure below.
A
+5
3x
B
What is the measure of ZB?
A 35°
B
71°
С
760
D 105°

Answers

Answer:

D

Step-by-step explanation:

Use the line tool to graph the equation on the coordinate plane.
y = 3/4x

Answers

Step-by-step explanation:

in the equation y=mx+b, m corresponds to the slope, and b corresponds to the y-intercept. Since b is 0 at this case, we will start at (0,0). From here you can graph the line with the slope. Since it is 3/4, you would move up 3 units, and to the right 4 units to end up with the point (4,3). Now you have the two points (0,0) and (4,3), so all you need to do is connect them to form the line.

what will be the value of d when an airplane flies at 420 miles per hour for three hours?

Answers

Answer:

1260 I think

Step-by-step explanation:

because if the airplane is travelling at 420 mph for THREE hours then 420x3=1260

Find the value of x. Round to the nearest degree.
15
12

Answers

Answer:

153 degrees

Step-by-step explanation:

15+12=27

180-27=153

39.4 x 1.7 I don’t how workout this out

Answers

Answer:the answer is 66.98

Step-by-step explanation:

MOVIES Marcus is a member of a theater club. He pays a monthly fee and his movie tickets are then $5 for an unlimited number of movies that month. The graph shows the cost for each month. Find and interpret the rate of change and the initial value. ​

Answers

Take a picture of you graph so I can assist you

solve
(4x^2+4x)/(2x^2-2)

Answers

(4x²+4x)/(2x²-2)

4x(x+1)/2(x²-1)

2x(x+1)/((x+1)(x-1))

2x/(x-1)

Answer:

[tex]\frac{2x}{x-1} \\[/tex]

Step-by-step explanation:

Find all critical points of the given plane autonomous system. (Enter your answers as a comma-separated list.) x′ = x 12 − x − 1 2 y y′ = y(20 − y − x)

Answers

Answer:

the critical points are (0,0) , (0, 20), (12, 0) , (4,16)

Step-by-step explanation:

To consider the autonomous system

[tex]x' =x (12 -x - \dfrac{1}{2})[/tex]

[tex]y' = y( 20 -y - x)[/tex]

The critical points of the above system can be derived by replacing x' = o and y' = 0.

i.e.

[tex]x' =x (12 -x - \dfrac{y}{2}) = 0[/tex]

[tex]\dfrac{x}{2} (24 -2x - y) = 0[/tex]

x = 0 or 24 - 2x - y = 0     ----- (1)

Also

[tex]y' = y( 20-y-x) = 0[/tex]

y( 20 -y - x) = 0

y = 0 or 20 - y - x = 0  -----   (2)

By solving (1) and (2);

we get x = 4 and y = 16

Suppose x = 0 from (2)

y = 20

Also;

if y = 0 from (1)

x = 12

Thus, the critical points are (0,0) , (0, 20), (12, 0) , (4,16)

Identify the type of sequence shown and select the appropriate response.
4, 24, 144, 864, ...

A) Geometric sequence, common ratio is 6
B) Geometric sequence, common ratio is 20
C) Arithmetic sequence, common difference is 6
D) Arithmetic sequence, common difference is 20​

Answers

Answer:

the answer is A

Step-by-step explanation:

if you multiple 6 to 4 you get 24. if you multiple 24 to 6 you get 144. if you multiple 144 to 6 you get 864.

The two figures below have a scale factor of 3 : 1. What is the value of y?

Answers

since the scale factor is 3, just multiply the corresponding side by 3

this means that y=12

hope this helps!! :)

Three questions Please HELP!
At which point do the equations y=−2x+10 and y=x+4 intersect?(1 point)

(1,6)

(2,6)

(2,5)

(1,5)

2.If the two lines y1=−12x+5 and y2=2x+5 were to be graphed, what would their intersection point represent?



(1 point)

Their intersection point is the only point where different inputs into both functions yield different outputs.

Their intersection point is the only point where the same input into both functions yields different outputs.

Their intersection point is the only point where different inputs into both functions yield the same output.

Their intersection point is the only point where the same input into both functions yields the same output.


3.Given an equation y=−13x+5, explain the steps for using slope-intercept form to graph this equation.(1 point)

Use the y-intercept to plot the point (5,0). Then, using the y-intercept as a reference point, move right 3 units and up 1 unit, and plot a second point.

Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point, move left 1 unit and up 3 units, and plot a second point.

Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point, move left 3 units and up 1 unit, and plot a second point.

Use the y-intercept to plot the point (5,0). Then, using the y-intercept as a reference point, move left 3 units and up 1 unit, and plot a second point.

Answers

Answer:

2,6

Step-by-step explanation:

Answer:

1. (2,6)

2. C

3. B

Step-by-step explanation:

y = - 2x + 10

y = x + 4

SInce the two equation both equal y, we can said they are equal.

- 2x + 10 = x + 4

      - 10        - 10

- 2x = x - 6

- x     - x

- 3x = - 6

/-3        /-3

x = 2

Then we plug the x value into the equations and we will get the point that intersects y=-2x+10 and y=x+4.

- 2(2) + 10 = 2 + 4

- 4 + 10 = 6

6 = 6

This is true since both sides are equal.

The point that intersects y=-2x+10 and y=x+4 is (2,6).

2. If the two lines y1=−12x+5 and y2=2x+5 were to be graphed, what would their intersection point represent?

C) Their intersection point is the only point where different inputs into both functions yield the same output.

Ex: y=-2x+10 and y=x+4 both have the same solution which is (2,6).

3. Given an equation y=−13x+5, explain the steps for using slope-intercept form to graph this equation.

y = - 1/3x + 5

y = - 1/3(0) + 5

y = 5

Point: (0,5)

Slope: - 1/3

Rise over run (y/x) so up 3 and left 1.

B) Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point, move left 1 unit and up 3 units, and plot a second point.

Find
how
many times
21
+
9 goes
into 131
2​

Answers

Answer:

it goes in 4 times I rounded up to 30 and 30 times 4 is around there

Write and solve this expression:
Subtract 4 from 19, then divide by 3

Answers

Answer:

5

Step-by-step explanation:

the answer you will get is 5
subtract 4 from 19 would be 15
then divide 15 by 3 and you would get 5

What is the yintercept of f(x) = (1/4)^x

Answers

Answer:

(0,1)

Step-by-step explanation:

Answer

Answer:

(1/4)^x

Step-by-step explanation:

Look at the graph

WILL GIVE BRAINLIEST. It is also worth 34 POINTS!!! PLEASE HELP!!!! Please respond in full sentences. I appreciate your help. Thank you!!

Answers

Answer: 1 orange would be 50 cents.

b) the ordered pairs 12,10 means that there are 12 pounds of oranges and they cost $10 dollars

Step-by-step explanation:

Pls answer I will mark

Answers

It’s C or 6x-4=8. Just count the sticks as x and the squares as units.

Answer:

c. 6x - 4 = 8

Step-by-step explanation:

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