In a group of 20 students, there are 7 boys.
What is the ratio of girls to boys?
O 13:20
O 13:7
07:20
07:13

Answers

Answer 1

Answer:

13:7

Step-by-step explanation:

20 - 7 = 13 girls

Girls  Boys

13        7

Answer 2

Answer:

it would be 7:20 im pretty sure

Step-by-step explanation:


Related Questions

Which equation shows the point-slope form of the line that passes through (3, 2) and has a slope of 1/3?

Answers

Answer:

Option 2: [tex]y - 2 = \frac{1}{3}(x-3)[/tex] is the correct answer.

Step-by-step explanation:

The equation of a line with given point(x1,y1) and slope m is given by:

[tex]y-y_1 = m(x-x_1)[/tex]

The line passes through (x1,y1)

Given

[tex](x_1,y_1) = (3,2)\\m = \frac{1}{3}[/tex]

=> x1 = 3

=> y1 = 2

Putting the values of x1, y1 and slope(m) in the point-slope form, the equation of line is:

[tex]y - 2 = \frac{1}{3}(x-3)[/tex]

Hence,

Option 2: [tex]y - 2 = \frac{1}{3}(x-3)[/tex] is the correct answer.

Help please!!! I need answers!!!

Answers

Answer:

a)

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

I know for sure.

12+84=96

12*1=12

12*7=84

Piper used 1/5 meter of ribbon to create a border around a triangle if each side of the triangle is the same length how much ribbon did Piper use for each side?

Answers

Answer:

[tex]\frac{1}{15}[/tex]

Step-by-step explanation:

as said in the question that the triangle has three equal sides. i.e. this is an equilateral triangle. So,

let us consider one side of the triangle to be x . and 3x( x+x+x) should be equal to 1/5

[tex]x+x+x = \frac{1}{5}\\3x=\frac{1}{5}\\x = \frac{1}{5} / 3\\x = \frac{1}{5} * \frac{1}{3}\\x = \frac{1}{15}[/tex]

Please answer attached have ask for help 3 days no help

Answers

Answer:

25 is 6

Step-by-step explanation:

sqrt of 4 is just 2 and then plus 4 gives you 6

A recipe for 12 bran muffins calls for one cup of flour the number of muffins that can be made varies directly with the amount of flour used there are two 2/3 cups of flour available how many muffins can be made

Answers

Answer: 8

Step-by-step explanation:

12 bran muffins in 1 Cup so for 2/3 it is

2/3*12 = 8

Venn diagram is shown below:

What are the elements of (A ∩ B) ' ?

Answers

Answer:

1 and 2 are the elements of (A B)

The number of bacteria in a culture is increasing according to the law of exponential growth. The initial population is 240 bacteria, and the population after 12 hours is double the population after 1 hour. How many bacteria will there be after 3 hours

Answers

Answer:

240

Step-by-step explanation:

According to law of exponential growth,

[tex]y=y_0e^{kt}[/tex]

Here, [tex]y_0[/tex] denotes the initial amount and k is the rate constant of the equation.

Now, the initial population is 240 bacteria.

Put [tex]y_0=240[/tex]

So,

[tex]y=240e^{kt}[/tex]

The population after 12 hours is double the population after 1 hour.

[tex]y(12)=2y(1)[/tex]

[tex]240e^{12k}=240e^{k} \\e^{12k}=e^{k} \\e^{12k-k}=1\\e^{11k}=1\\11k=log 1=0\\k=0[/tex]

(Formulae used: [tex]\frac{e^x}{e^y}=e^{x-y}\,,\,log 1=0[/tex])

So,

[tex]y=240e^{0}=240\\y=240[/tex]

Therefore,

Number of bacteria after 3 hours = 240

(-3, 7) and (6, -8) linear equations

Answers

What should you do in this one put it as in linear equations??

I put it at 50 pts because it will take a while plz help me

Answers

Answer:

1.  direct=hot, indirect=cool

2. wind systems

3. differences in air pressure

first diagram: density increases, pressure increases, tempature decreases

second diagram: temp. increases, density decreases, pressure decreases

Step-by-step explanation:

hope this helps

What is the image point of ( 8 , − 2 ) after a translation right 5 units and up 2 units?

Answers

Answer:13,0

Step-by-step explanation:

A coordinate system in geometry is a system that employs one or more integers, or coordinates, to define the position of points. The coordinates of point (8,−2) after translation will be (13,2) and (13,4).

What are coordinates?

A coordinate system in geometry is a system that employs one or more integers, or coordinates, to define the position of points or other geometric components on a manifold such as Euclidean space.

The coordinates of a point (x,y) can be translated by right 5 units and up 2 units as,

Translation right by 5 units → (x+5, y)Translation up by 2 units → (x+5, y+2)

Now, the given coordinate (8, -2) can be translated as shown below,

Translation right by 5 units → (8+5, 2) = (13, 2)Translation up by 2 units → (8+5, 2+2) = (13, 4)

Hence, the coordinates of point (8,−2) after translation will be (13,2) and (13,4).

Learn more about Coordinates here:

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The Kuiper Belt is estimated to be about 3,000,000
meters wide. Which value represents the estimated width of the Kuiper Belt, in meters, in scientific notation?

Answers

Answer:

the answer will be 12 bc all you do is divided 6.6 =11

Step-by-step explanation:

The scientific notation for the given width will be [tex]3*10^{6}[/tex].

What is scientific notation?

A method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy.

Given that, The Kuiper Belt is estimated to be about 3,000,000

meters wide.

3,000,000 = 3x1000,000

=  [tex]3*10^{6}[/tex].

Hence, The scientific notation for the given width will be [tex]3*10^{6}[/tex].

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How do you write three hundred and sixty seven thousand, seven hundred and fifty two?

Answers

Answer:

367,752 would be the answer

Answer:

367 750

Step-by-step explanation:

u start and end up with the last number after the another

Solve the equation.
4 (6 – x) + 4 = 2 (3x + 1) - 6

Answers

Answer:

x = 2.4

Step-by-step explanation:

Simplify.

24 - 4x + 4 = 6x + 2 - 6

Combine like terms (24 + 4 = 28, sorry for the confusion!)

28 - 4x = 6x - 4

Add x and add 4 to both sides.

10x = 32

x = 3.2

Answer:

x=3 1/5 or 3.2

Step-by-step explanation:

Which of the following ratios is closest to the golden ratio? a. 5/3
b. 7/5
c. 10/8
d. 14/11

Answers

Answer:

A 5/3

Step-by-step explanation:

The fraction closest to the golden ratio is  a. 5/3.

What is a golden ratio?

The golden ratio is a ratio between two numbers that approximate 1.618.

It is sometimes referred to as the golden number, the golden proportion, or the divine proportion.

It is closely related to the Fibonacci sequence, a set of numbers where each number is added to the previous one and is typically written as the Greek letter Ф.

From the given options,

5/3 = 1.66.

7/5 = 1.4.

10/8 = 1.25.

14/11 = 1.27.

So, the closest ratio is 1.6 which is 5/3.

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Can anyone solve the his it’s pretty easy but I really don’t feel like doing anything today lol

Answers

it’s 50

ejehwhajwjwjw

Answer:

  100

Step-by-step explanation:

Yw btw LOL!        Ik this answer is probs wrong LOL              

If you flip 3 coins what is the probability of NOT getting three Heads? P(not getting 3 Heads)​

Answers

Answer:

Yeah im sure you wont get 3 heads for all coins it would usually be like 1 tails, 2 tails or 3 tails :/?

Step-by-step explanation:

What are all the digits of pi​

Answers

that’s a lot of numbers lolll 3.14159265358979323846264338327950288419716939937510.... it goes on

Which two answer choices below would give you a value of 3 times larger than (820 + 220)?

A) 3(820 + 220)
B) 3(820) + 2(220)
C) 2460 + 660
D) 820 x 220 x 3

Answers

A and d, because 820+220 is equal to 1,040, multiplied by 3 is 3120 and both a and d equal this

The expression that gives you a value of 3 times larger than (820 + 220) are:

3(820 + 220)

2460 + 660

Options A and C are the correct answer.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

(820 + 220)

= 1040

Now,

3 x 1040

= 3120

Now,

A)

3(820 + 220)

= 3 x 1040

= 3120

B)

3(820) + 2(220)

= 2460 + 440

= 2900

C)

2460 + 660

= 3120

D)

820 x 220 x 3

= 541200

Thus,

3(820 + 220) and 2460 + 660 give the value of 3 times larger than

(820 + 220).

Learn more about expressions here:

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A car travels 45 miles on one gallon of gas.
A. Write an algebraic expression to find the distance the car can travel using x gallons of gas.
B. The car uses 10 gallons of gas. How many miles does it travel?

Answers

Answer:

Your answer:

y=45x

(Y=miles driven)

(x=gas used)

Step-by-step explanation:

The graph of the equation representing compound interest is that of:
A. linear function.
B. exponential function.
C. quadratic function.
D. None of the above

Answers

Answer:b

Step-by-step explanation:exponential function which means the value is is CONSTANTLY raised to the power

The graph the formula representing the compound interest will be exponential function.

What is graph?

In mathematics, and more specifically in graph theory, a graph is a structure amounting to a set of objects in which some pairs of the objects are in some sense "related".

Given is the equation representing compound interest.

The equation representing the compound interest is -

C = P( 1 + r/n )ⁿˣ

Where -

[P] is principle amount.

[r] is rate.

[x] is time.

The exponential function is , where [x] is a variable. Similarly, we can graph the formula representing the compound interest as shown in the figure attached. The graph will be exponential in nature.

Therefore, the graph the formula representing the compound interest will be exponential function.

To solve more questions on plotting graphs, visit the link below-

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which rule best described the following pattern 5,6,15,16,25,26,35​

Answers

The pattern is increasing by 10 then a ding 1 to the next number. Hope this helps! :)

87.039 as a mixed number

Answers

Answer:

87   39/1000

Step-by-step explanation:

a boat can travel 384 miles on 48 gallons of gasoline. how much gas does will it need to go 456 miles?

Answers

I believe 3648 gallons of gasoline

cooper's jump rope is for 4 2/5. luke's jump rope is 4 3/4 ft long. whose jump rope is longer? how much longer? show your work

Answers

Answer:

Juke's jump; by 0.35 feet

Step-by-step explanation:

Given that,

Cooper's jump rope is for [tex]4\dfrac{2}{5}[/tex] feet.

Juke's jump rope is [tex]4\dfrac{3}{4}[/tex] feet.

Cooper's jump is :

[tex]4\dfrac{2}{5}=\dfrac{22}{5}\ \text{feet}\\\\=4.4\ \text{feet}[/tex]

Juke's jump is

[tex]4\dfrac{3}{4}=\dfrac{19}{4}\\\\=4.75\ \text{feet}[/tex]

So, it is clear that Juke's jump is longer than Cooper's jump.

Juke's jump - Cooper's jump = 4.75 - 4.4

= 0.35 feet

or

So, Juke's jump is 375 feet longer.

brainliest will be given if correct

Answers

Answer:

10

Step-by-step explanation:

im not sure if its correct but area is the area around the trapezoid and i added them

Which type of line and direction of shading does y > tell you?

Answers

9514 1404 393

Answer:

  Above the dashed line

Step-by-step explanation:

That y is greater than the values on the line tells you that the shading is above the line.

That the "equal to" case is not included tells you that the line is dashed.

12a+c-b; a=1/3,c=5, and b=9

Answers

Answer:

Here we go in photo form

Answer: 3,635 Views.

Step-by-step explanation:

b+c=10 becomes b=10-c. c+a=12 becomes c=12-a ... an a: c+a =12 & a+b=8. Subtracting the latter from the former eliminates the “a”s, leaving c-b=4. ... What are the values of A, B, C, D, A+B=8, B-D=5, A*C=21, and C*D=9?

which of the following are true of linear functions?​

Answers

Answer:

1. 3. 6.

Step-by-step explanation:

Answer:

There is exactly one output for each input.

The graph of a linear function is a straight line.

A linear function has a constant rate of change.

Step-by-step explanation:

Please help ASAP!! I'm really struggling at this problem. Will give 10 points & to the brainliest!

Answers

Answer: B

Step-by-step explanation:

To find the result of the dilation, multiply each x and y coordinate by the scale factor, which in this case, is 1.5. I started out with the coordinate P, which had an original coordinate of (-2,1). In this case, I multiplied -2 by 1.5, and 1 by 1.5 to get (-3, 1.5). Since this is multiple choice, the only one with P as (-3, 1.5) is B, so we don't have to check the others.

The answer is B.

1) Apply dilation

2)Find each one x coordinate (x,y)

3) Find the y coordinate for each one

4) See which one matches your answers

Hope this helps!

which best describes the relationship between the successive terms in the sequence shown?
9, -1, -11, -21, ...

THe common difference is -10
The common difference is 10
The common ratio is -9
The common ratio is 9

Answers

Answer:

The answer is -10

Step-by-step explanation:

i got it right on edge

Answer:

A. The common difference is –10.  

Step-by-step explanation:

On egd 12/11/2020

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