There are 420 students . The ratio from girls to boys is 4- 3 . How many more girls?

Answers

Answer 1
Answer: There are 60 more girls
Answer 2
Answer:

Final answer:

There are 420 students divided into 7 parts due to the ratio of girls to boys being 4:3. With one part totaling 60 students, there are 240 girls and 180 boys. Thus, there are 60 more girls than boys.

Explanation:

To solve this problem, you need to understand the concept of ratios. In this case, the ratio of girls to boys is 4:3. This means that for every 4 girls, there are 3 boys. If we add the two parts of the ratio together, we get 7 parts. This means that the total number of students, which is 420, is to be divided into 7 parts.

So, one part of this ratio is equal to 420 divided by 7, which equals 60 students. Since the ratio claims there are 4 parts of girls and 3 parts of boys, to find out the numbers of girls and boys, we multiply each part of the ratio by 60. Hence, the total number of girls is 4 multiplied by 60, which equals 240 and the number of boys is 3 multiplied by 60, which equals 180.

Therefore, the difference in number between girls and boys is 240 minus 180, which equals 60. So there are 60 more girls than boys.

Learn more about Ratios here:

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The y-intercept of a parabola is 1, and its vertex is at (1,0). What function does the graph represent?OA. Rx) = (x - 1)2
OB. Rx) = (x + 1)2
OC. Rx) = -1(x - 1)
OD. Rx) = -1(x + 1)2
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Considering it's y-intercept and vertex, the equation of the parabola is given by:

y = (x - 1)^2

What is the equation of a parabola given it’s vertex?

The equation of a quadratic function, of vertex (h,k), is given by:

y = a(x - h)^2 + k

In which a is the leading coefficient.

In this problem, the vertex is (1,0), hence h = 1, k = 0 and:

y = a(x - 1)^2

The y-intercept is of 1, hence, when x = 0, y = 1, so:

y = a(x - 1)^2

1 = a(0 - 1)^2

a = 1

Hence, the equation is:

y = (x - 1)^2

More can be learned about the equation of a parabola at brainly.com/question/24737967

Answer:

A

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (1, 0) , thus

y = a(x - 1)² + 0

To find a substitute the coordinates of the y- intercept (0, 1) into the equation

1 = a(- 1)² = a , thus

a = 1

y = (x - 1)² → A

What appears to be the domain of the part of the exponential function graphed?A) 1 ≤ x ≤ 6
B) 1 ≤ ƒ(x) ≤ 6
C) –2 ≤ x ≤ 2
D) –2 ≤ ƒ(x) ≤ 2

Answers

Answer:

Option (C)

Step-by-step explanation:

Domain of a function is represented by the 'x' values on the graph.

Similarly, y-values of a function represents the range.

Therefore, options (B) and (D) will not be the answer as they are representing the function values or y-values.

Given segments starts form x = -2 and ends at x = 2 (Including these points).

Therefore, Domain of the segment will be [-2, 2] Or -2 ≤ x ≤2

Option (C) will be the correct option.

Answer:

B)  1 ≤ ƒ(x) ≤ 6

Step-by-step explanation:

this is the right answer I got it right on usa test prep

There are 10 multiple-choice questions on a math quiz. Each question has four answer choices with one correctanswer. Let X represent the number of questions answered correctly for a student who is randomly guessing each
answer choice.
Have the conditions for a binomial setting been met for this scenario?
O No, the order of the questions is unknown.
O Yes, all four conditions in BINS have been met.
O No, the answers are not independent of one another.
O No, we do not know how many quizzes this teacher will give.
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Mark this and return

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B.) Yes, all four conditions in BINS have been met.

X/2 + 5= -8 what does x equal and show work

Answers

Answer:

x = -26

Step-by-step explanation:

x/2 + 5 = -8

First let's combine like terms.

Subtract 5 from both sides.

x/2 = -13

Multiply both sides by 2 to isolate x.

x = -26

Plug this back into the original equation to check your answer.

-26/2 + 5 = -8

-13 + 5 = -8

-8 = -8

Your answer is correct.

Hope this helps!

Answer:

x=-26

Step-by-step explanation:

x/2 + 5 = -8

x/2 + 5 - 5 = -8 - 5

x/2 = -13

x = -26

this is all of the work I did to solve what x is! I hope it helped! There are many other way to solve this problem. This is the way which a lot of ppl do.

Which set of data is most accurately represented by a logarithmic model?

Answers

Help I’ll mark you brainly!ununubyvybyvybybybybybybybybbybyubybybybbybybybbybyybybbyybbyububbububu

Please answer 2-5 and 7-9 asap

Answers

Answer:

i dont have that

Step-by-step explanation: