A class has 11 boys and 9 girls in it. what percent of the class are boys

Answers

Answer 1

11 boys and 9 girls.....total of 20 students in the class.

of those students, 11 are boys...

11/20 = 0.55 = 55% <== so 55% are boys

Answer 2

Answer: the answer is C 55%

Hope this helps you

Related Questions

Noel Devine bought a new dishwasher for $320. He paid $20 down and made 10 monthly payments of $34. What actual yearly interest rate did Noel pay?

A. 14.55%
B. 29.09%
C. 34.38%
D. 68.75%

Answers

The yearly interest rate that Noel payed is 29.09%

Solution:

Cost price of Dishwasher bought by Noel Divine = $ 320

Down payment = $ 20

Amount given in one installment= $ 34

Total Amount paid in 10 Installment = $34 ×10=$ 340

Total amount paid for Dishwasher by Noel Divine = $340 + $ 20 = $ 360

Interest paid by noel = $ 360 - $ 320= $ 40

As the interest will be simple interest

Simple interest =[tex]\frac{Principal \times \text{time} \ \text{rate}}{100}[/tex]

40=[tex]\frac{320 \times R \times \frac{10}{12}}{100}[/tex]

R= [tex]\frac{48000}{3200}[/tex]=15% →→Option A

There were 5 people who bought tickets to a football game. They bought 3 tickets each. How many tickets were bought in all?

Answers

5 people times 3 tickets each
5 times 3 = 15

15 tickets in all

So basically you want to say,

five people who each bought 3 tickets

Or,

five groups of 3 tickets.

So five groups of 3 tickets would be,

3 + 3 + 3 + 3 + 3,

or 3 * 5.

3 * 5 = 15.

Given f(x) = x − 7 and g(x) = x2 . Find g(f(4)). g(f(4)) =

Answers

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~

To solve this we will first find out what f(x) equals at the given point of 4, and than substitute that answer it for g(f(4))...

f(x) = x - 7

f(4) = 4 - 7 = -3

g(f(4)) = (x - 7)^2 > -3^2 = 9

So...

The answer is: g(f(4)) = 9

Answer: 9

Step-by-step explanation:

how to factor x^4+x^2-20

Answers

(x2 + 5) • (x + 2) • (x - 2) Here's the anwser

what is -1/3+5(negative one over three plus 5) please help me im confused

Answers

I believe the correct answer to that would be 4 2/3

The second side of a triangular deck is 3 feet longer than the shortest side and a third side that is 3 feet shorter than twice the length of the shortest side. if the perimeter of the deck is 68 feet, what are the lengths of the three sides?

Answers

The perimeter of a triangle is:

P = a + b + c

We are given that:

b = a + 3

c = 2 a – 3

Therefore:

68 = a + a + 3 + 2 a – 3

68 = 4 a

a = 17

and,

b = a + 3 = 20

c = 2a – 3 = 31

The shortest side of the triangle measures 17 feet.

The second side of the triangle measures 20 feet.

The third side of the triangle measures 31 feet.

What is the length of the three sides?

The perimeter of a triangle is the sum of the length of the three sides of the triangle.

Let the shortest side be represented with s.

The second side = 3 + s

The third side = 2s - 3

2s - 3 + 3 + s + s = 68

4s = 68

s = 17

The second side = 17 + 3 = 20

The third side = = (2 x 17) - 3 = 31

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0.008 is 1 tenth of what decimal

Answers

0.08, Hope it helped

You are going running. For every mile you run, you burn 100 calories. In the equation below, m represents the number of miles you run, and c represents the number of calories you burn. The relationship between these two variables can be expressed by the following equation: c=100m, equals, 100, m Identify the dependent and independent variables.

Answers

The number of miles you run is Independent and the calories you burn is Dependent

Answer:

C is the dependent variable

m is the independent variable

Step-by-step explanation:

For every mile you run, you burn 100 calories. In the equation below, m represents the number of miles you run, and c represents the number of calories you burn

C= 100m

Number of calories burn depends on the number of miles you run

So calories C depends on the miles 'm'

C is the dependent variable because it depends on the value of 'm'

m is the independent variable

Please help me :/ If AB=BC, then DE=2(AB). AB=6 and BC=6. What can you conclude

Answers

Final Answer:

Given AB = BC = 6, and DE = 2(AB), then DE = 2 * 6 = 12. Therefore, DE equals 12 units.

Explanation:

In the problem, it's stated that AB = BC = 6 units. This means that both AB and BC are equal in length, each measuring 6 units. As per the given relationship, DE is twice the length of AB. Substituting the known value of AB as 6 units into the expression for DE, we get DE = 2 * 6 = 12 units.

The equality of AB and BC implies that the triangle ABC is an isosceles triangle, where AB and BC are the congruent sides. Consequently, the line segment DE, which is related to AB, shares the same length as BC, making DE also equal to 6 units. However, as per the given relationship DE = 2 * AB, DE is calculated as 2 times the length of AB. Substituting AB = 6 units into the equation, DE = 2 * 6 = 12 units.

Therefore, following the given relationship between DE and AB and using the fact that AB = BC, we can confidently conclude that the length of DE is 12 units. This is determined by doubling the known length of AB, which is established by the equality of AB and BC in the context of an isosceles triangle.

Determine if f is a linear or nonlinear function and if f is a constant function.

Answers

hello :
function is linear when are the form : y = ax +b
function is linear constant are the form : y = b

235+374= use rounding or compatible numbers to estimate the sum

Answers

round to tens: 240 + 370 = 610
round to hundreds: 200 + 400 = 600

hope this helps

A gardener buys a plant that is 12cm in height. Each week after that the plant grows 10cm. Note: The plant is 12cm high at the beginning of the week.

what is the formula and value for t10 and t12 in an arithmetic sequence????

Answers

formula = height = 12+10t

where t = number of weeks

so for t10

height = 12+10(10) = 12+100 = 112 cm

for t12

height = 12+10(12) = 12 +120 = 132 cm

Which expression can be used to find the slope of a line containing points (-3,2) and ( 7,-1)

Answers

-1-2=-3
7+3=10

slope is -3/10

y-2= -3/10(x+3)

y-2=(-3/10)x-9/10

y-2=(-3/10)x - 9/10

y=(-3/10)x+ 11/10

15 pts!! Find an equation of the line that satisfies the given conditions: through (2,4) & parallel to the x axis.

Answers

If the c axus is 2 then you go right by two (simple) then with your y axus you go up four (simple) thrn you subtract backwards until your dots are lined up

If it is parallel, It has no slope. So:

y = mx + b
y = 0x + b

Now lets plug in our point:

y = 0x + b
4 = 0(2) + b
4 = b

So;

y = 0x + 4
y = 4

Hope this helps!

Explain how the energy of a toy car is transformed as it slides down a ramp. Give evidence that the energy of the car remains the same at all points on the ramp.

Answers

At the top of a ramp, all of the energy of the car is potential: that is, it has yet to be moved but has the ability to move. As the car is sliding down the ramp, the potential energy is being transformed into kinetic energy, which reaches a maximum at halfway down the ramp. After this point, the kinetic energy begins to lessen and the potential energy begins to increase, until the car comes to a full stop, at which point kinetic energy is at zero and the potential energy is again at a maximum.

Answer:

as the car slides down the ramp it is in kinetic energy and when it is on the top of the ramp it is on potential energy we see that the energy is being transferred

If the value of x decreases by 6, how does the value of m(x + 9) change?

Answers

Since the value of x changes, it changes the answer to the equation.

Your answer is:
decreases by 6cm

whats the simple answer and way to solve -46+ x=25

Answers

x=71

-46+x=25
add 46 to both sides (you do the inverse!)
x=71

Add -46 to 25. Which would be 71. So x=71

Write the equation of the line in standard form when the slope is -7 and the line goes through

(-2, 5). Graph the line.

Answers

The best fit for this equation would be a point slope form, which is (y-y)=m(x-x), where m is the slope and the second y and x variables are a point.
So all we need to do is input them in!
(y-5)=-7(x+2)
Some explanations here:
Why is the 5 and 2 in those places? Why aren't they backwards?
That is because the x number should always go with the x variable and the same with y.
Why is 2 positive?
It is very hard to explain, but the number becomes a positive when the number is negative. It's just how it works. Ask Einstein.

A painter charges an initial fee of $50 and $30 for each hour of labor. Write a linear function to determine the total cost. How much will it cost if the painter takes 4.5 hours to paint?

Answers

The initial fee of $50 is essentially the y intercept because this is the value when x = 0 (x is the number of labor-hours). So b = 50.

The slope is m = 30 because each increase of 1 hour leads to the cost bumping up by 30 dollars. In other words, slope = rise/run = (change in cost)/(change in hours) = 30/1

So we plug m = 30 and b = 50 into the y = mx+b formula to get y = 30x+50

Replace y with f(x) to get f(x) = 30x+50

The linear function for the cost is f(x) = 30x+50

Note: Some books may use other letters (instead of x and f(x)), but the idea is still the same

Once you know the cost function, you replace x with 4.5 to find the amount it will cost to have a painter work for 4.5 hours.

f(x) = 30x+50
f(4.5) = 30*4.5+50
f(4.5) = 135+50
f(4.5) = 185

It will cost 185 dollars to have the painter work for 4.5 hours

The formula for the perimeter of a square is p = 4s, where s is the length of a side. find the perimeter of each square.

Answers

Which square do you mean. We dont see any squares

Which expression is equivalent to −1.3+(−4.9)+(−2.6) ?

a −(1.3−4.9)+(−2.6)
b −1.3+(4.9+2.6)
c (1.3+4.9+2.6)
d −1.3−(4.9+2.6)

Answers

The answer for this question would be D) -1.3 - (4.9 + 2.6) or the fourth option because the solution for this equation is the same as -1.3 + (-4.9) + (-2.6) which both = -8.8. So since they both have the same result, both expressions are equivalent.

Final answer:

The equivalent expression to -1.3+(-4.9)+(-2.6) is -1.3 - 4.9 - 2.6, which is represented by option d, -1.3 - (4.9 + 2.6).

Explanation:

The subject of this question is a mathematical calculation, more specifically adding negative numbers.

To answer the student's question about which expression is equivalent to -1.3+(-4.9)+(-2.6), we first need to understand that adding a negative number is the same as subtraction. Therefore, the expression can be written as -1.3 - 4.9 - 2.6.

If we look at the options:

Option a, −(1.3−4.9)+(−2.6) is not correct because subtracting a negative number should be the same as adding; Option b, −1.3+(4.9+2.6) is incorrect as well; Option c, (1.3+4.9+2.6) is not equivalent because the signs of all numbers are positive; Option d, −1.3−(4.9+2.6) is indeed the correct option, because it represents the operation of subtraction as originally described.

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branliest offered 10 points for each question

least to greatest
square root of 8, -2/5, -1, 0.6, square root of 6

-8,3, negative square root of 5, 2.6, -1.5, square root of 5

-8.3,negagitive square root of 80, -17/2, -8.25, negative square root of 100

Answers

1. -2/5, 0.6, squ rt of 6, squ rt of 8
2. -8.3, negative squ rt of 5, -1.5, squ rt of 5, 2.6
3. neg. squ rt of 100, -17/2, neg. squ rt of 80, -8.3, -8.25

HOPE IT HELPED

what is the value of the expression? (11 - 4) * (6 + 5) A.18 B.47 C.77 D.117

Answers

According to the order of operations, evaluate operations within parentheses first.
11-4=7
6+5=11

Rewrite the expression
7*11

Evaluate
77

Final answer: C

find the perimeter of the triangle

Answers

We can find the area of the big triangle, and subtract it from the small 4 x 2 triangle.

bh/2
3*8/2
12

bh/2
2*4/4
4

12 - 8
4 unit²

To find the perimeter:
a² + b² = c²
9 + 64 = c²
73 = c²
√73 = c

√73 + 3 + 8 + 2 + 4
√73 + 17

Hope this helps!

I think the answer is 29.
Good luck in your math homework:)

(8 - 4)x + 6 which property is being used?

Answers

Distributive property is being used to get 8x-4x+6.

one dozen eggs cost 1.98$. How much does 1 egg cost? ( round to the nearest cent )

Answers

If 1 dozen eggs (12 eggs) cost $1.98, then you need to divide $1.98 by 12 to find how much 1 egg costs.
So, $1.98 divided by 12 = .165 There is a 5 so you would round it up to 17 cents.

The cost of one egg is $0.165.

Given that, one dozen eggs cost 1.98$.

What is the unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Now, cost of 1 egg = Cost of one dozen eggs ÷ 12

= 1.98/12

=0.165

Therefore, the cost of one egg is $0.165.

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Math Natalia Gonzalez You already owed your friend $6. This morning you borrowed $4 more and this afternoon you paid back $8. How much money do you owe your friend?

Answers

You owe your friend 2 dollars

Hi!!

The answer is 2!

Fun fact,my name is Natalia Gonzalez too!!

But

6+4=10

10-8= 2

Hope this helps ya

Simplify 81.56 + n - 2.55.
A)79.10 - n
B)79.01 + n
C)81.56 - 2.55n

Answers

The answer is B)79.01 + n

The correct answer would be
B) 79.01 + n
I hope this helps! :)

How to solve 3d+8=2d-17

Answers

3d + 8 = 2d - 17
d + 8 = - 17
d = - 25

The value of d for the expression 3d + 8 = 2d - 17 is -25.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 4 = 8 is an equation.

3x = 4 is an equation.

2x = 4 is an equation.

We have,

3d + 8 = 2d - 17

3d and 2d are like terms.

So,

keep like terms on one side.

3 - 2d = -17 - 8

d = -25

Thus,

The value of d is -25.

Learn more about equations here:

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In an orchard, for every 5 green apples there are 2 red apples. What is the ratio of green apples to red apples?

Answers

The ratio would be 5:2

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