the track team has 21 members the ratio of boys to girls 3:4 how many girls are on the track team

Answers

Answer 1

Answer:

12

Step-by-step explanation:

Add 3 to 4, you get 7. Divide 21 by 7. Multiply by 4.


Related Questions

I need help on how to get the answer too number 27.

Answers

a^2 + b^2 = c^2
3^2 + 8^2 = c^2
9 + 64 = c^2
73 =c^2
take the square root of each side
c= 8.544

Please answer quick in test!

Answers

Answer:

The first one

Step-by-step explanation:

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I need help with this please help me I’m falling math and I don’t know what to do

Answers

1. C 2. B you just have to count and look at the chart

The graph of y = 3*:

Answers

this is the answer. this should help

Is it a b c or d need help please!

Answers

Answer:

it's a

Step-by-step explanation:

we subtract 9 from the 30 in the other side. that makes 21

3x ≤ 21

x≤7

that means any answer possible is below 7.

Will give Branlilyest In a lilac paint mixture, 40% of the mixture is white paint, 20% is blue, and the rest is red. There are 4 cups of blue paint used in a batch of lilac paint.
how many cups of white paint there are ?
how many cups of red paint there are?
how many cups in total?

Answers

Answer:

8 cups of white paint

8 cups of red paint

20 cups in total

Step-by-step explanation:

What the other person said, just commenting so you could give them brainliest

What is the recursive rule for the endangered turtles?

Answers

Answer:

they have to be protected, people have to work harder to protect them, and their habitats. The image below might help. (I hope this helps sorry if not!)

The recursive rule for the endangered turtle is to create critical habitats that would ensure their survival.

What does it mean for the turtles to be endangered?

This means that based on the threatening activities of humans in their habitats, they are about to become extinct.

To prevent this from happening, the Endangered Species Act (ESA) has created habitats that are vital to the conservation of the animal.

Read more on endangered animals here:

https://brainly.com/question/740101

-3
What is the solution to
-3/7m <21?
m<49
m>49
m>-49
m<-49

Answers

9514 1404 393

Answer:

  (c)  m > -49

Step-by-step explanation:

To solve, multiply by the reciprocal of the coefficient of m. Because that is negative, the inequality symbol must be reversed.

  (-3/7)m < 21

  (-7/3)(-3/7)m > (-7/3)(21)

  m > -49

Find the value of x. *

Answers

Answer:

x=45

Step-by-step explanation:

need help to Find the apothem.​

Answers

The apothem of a polygon, in this case a, can be found using the formula

Apothem=circumradius*cos(pi/sides)

Note in this problem, its a hexagon which makes the circumradius = to the side length since a regular hexagon can be split into 6 equilateral triangles.

a=47*cos(pi/6)=40.7 (approximation)

Hope it helped!

45 is what percent of 60​

Answers

Answer:

75%

Step-by-step explanation:

[tex]\frac{x}{100} = \frac{45}{60}[/tex]

45 x 100 = 4,500

4,500 divided by 60 = 75

What is a nickname for a rotation and what is a nickname for a reflection. Math

Answers

Answer:

reflection-FLIP rotation- SPIN or

TURN

Step-by-step explanation:

Help me with this!! Will mark Brainliest!!

Answers

Answer:

2 UNITS

GOOD LUCK FOR THE FUTURE! :)

plz help, i would really appriciate it :)

Answers

Answer: [tex]x^{2} +12x+20[/tex]

Step-by-step explanation:

h(x)= (x+10)(x+2)

^ It is this way because it is so the x value will equal -10 and -2.

Now, we just distribute it. if the question does not have any points it passes through described in the problem, then it is pretty self explanatory.

x^2 + 2x+ 10x+ 20

= [tex]x^{2} +12x+20[/tex]

Answer:

f(x) = A(x - 2)(x - 10),

where A is real and A= 20.

Step-by-step explanation:

if I'm wrong I am so very sorry

Find the 8th term of the geometric sequence 6, -12, 24, ...

Answers

Answer:

-768

Step-by-step explanation:

a₈ = 6 * (-2)⁷ = - 768

Plz help due tomorrow if correct ill give brailiest

Answers

It’s c ur correct I believe

Answer:

a is the answer to this question but if I am wrong sorry

Jan rode to her friend's house with a constant speed of 14 m/hr. How long will she take to
travel the 15 miles there?

Answers

Answer:

1.07 hours

Step-by-step explanation:

14 miles = 1 hour

15 miles = x hours

Equal these two together

14 mi/1hr = 15 mi/xhr

Cross multiply

14 mi × x hr = 1 hr × 15 mi

I will stop using the units for now so it won't be as confusing

14x = 15

Divide both sides by 14 to isolate the variable

14x ÷ 14 = 15 ÷ 14

x = 1.07... hours

If it costs $80,000 to put on an event and the total revenue is $250,000, what is the profit as a percentage of revenue? (Round to the nearest percent.)

Answers

It would cost 273,711 dollars.

Let f(x)=x√x-4



What is the average rate of change of f(x) from 8 to 14?

Answers

Answer:

Avg rate of change =

[ f(14 ) - f(8) ] / [ 14 - 8 ] =

[ ( √ [14 - 4] ) - (√ [8 - 4]) ] / 6 =

[ √10 - √4 ] / 6 =

0.19

I'll give u brainliest if u answer it

Answers

Answer:

i think its A

Step-by-step explanation:

But if i am incorrect i apologize

The cost of 8 kg of butter is $ 904. what will be the cost of 14 kg of butter

Answers

Answer:

$1582

Step-by-step explanation:

cost of each kg 904/8=113

cost of 14 kg 113x14=1582

the cost of 14 kg of butter is $1582

6(t - 1) = 9(t - 4)
t = ?

Answers

t = 43

My reasoning is that I just did this and if you were to times 4 x 9 you would get minus ce tre avergae t pens

Tomás bought a book that cost $18. It was on sale for 84% of its original price. How much did Tomás pay?

Answers

Answer:

I dont know lol

Step-by-step explanation:

I

dont

know

lol

Answer: $15.12

Step-by-step explanation:

You just need to find 84% of 18 which is 15.12. what you do is you convert the percent into 0.84 and multiply is by the original price which is 18.

84%=0.84

0.84 times 18 = 15.12

:)

Please help with this question, need it quickly. Thank you! :)

Answers

Answer:

maybe 5x*2 +18x+5 but im not sure im just guessing

Answer:

Hope this helps you, remember to underline as u go

the length of a rectangle is 1 more than 4 times the width. the perimeter is 92 in. what is the length and width.

Answers

Step-by-step explanation:

the 1st side length is 4x+1 if x is the width. 2(length)+2(width)=perimeter

2(4x+1)+2x=92

8x+2+2x=92

10x=90

x=9

width=x=9

length=4x+1=4(9)+1=37

Hope that helps :)

A zoo has 60 penguins total if the emperor penguins make up 35% of all the penguins at the zoo how many emperor penguins are at the zoo?

Answers

Answer:

21 emperor penguins

Step-by-step explanation:

1. Convert 35% to decimal form

0.35

2. Multiply 0.35 by 60

21

3. The answer is 21

I'll give brainlist to the person that answers

Answers

Answer:

67.6

Step-by-step explanation:

area = 158/360 * 49 * pi = 67.56

I’m not quite sure what they mean by this so can someone provide the answer AND the step by step solution.

Answers

Answer:

first just choose a team, and then they will ask you questions, try to go for red

Step-by-step explanation:

PLEASE HELP
7x-3= -24 what is x and how do you find it?

Answers

Answer:

x = -3

Step-by-step explanation:

7x - 3 = -24 (Given)

7x - 3 + 3 = -24 + 3 (Added 3 on both sides by using the addition property of equality)

7x = -21 (Simplified)

7x/7 = -21/7 (Divided 7 on both sides by using the division property of equality)

x = -3 (Simplified)

Therefore, x = -3.

Answer:

x= -3

Step-by-step explanation:

You do the opposite.

So,

-24 +3

= -21

-21/ 7

= -3

Therefore, the answer is -3


4x - 3y = -3
4x + y=17
The solution is....

Answers

1. Subtract the second equation from the first and solve for y: 0 - 4y = -20 => y=5
2. Substitute y=5 into one of the equations and solve for x: 4x - 3(5) = -3 => 4x = 12 => x=3

So the solution is (x, y) = (3, 5)
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