1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Luda [366]
3 years ago
14

The ratio of boys to girls at a movie is 4:7. If there are 21. girls, how many boys are

Mathematics
1 answer:
IrinaVladis [17]3 years ago
3 0

Answer:

12

Step-by-step explanation:

7*3=21 so 4*3=12

You might be interested in
there are 9 students that play tennis. if 75% of the students do not play tennis, how many are in the class
Paha777 [63]
So 9 students = 25% (100%-75%=25%)
100 : 25 = 4
4 * 9 =
36 students


7 0
3 years ago
A ferry is travelling at a constant speed back to the dock, as shown in the graph. Which
mario62 [17]

Answer:

c. y = -35*x + 105

Step-by-step explanation:

Lo que demos hacer es calcular los puntos cuando x = 0 y cuando x = 3, es decir el inicio y el fin del recorrido.

Cuando x es igual 0, y = 105, por lo tanto, la función sería:

y = A*x + 105

Cuando x = 3, y = 0, por lo tanto:

0 =  3*A +  105

resolvemos para A:

3*A =  -105

A = -105/3

A =  -35

Por lo tanto la función es:

y = -35*x + 105

es decir, la opción c.

7 0
3 years ago
(√x-4/x-2√x+3/√x-2) <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%28%E2%88%9Ax-4%29%20%7D%7Bx-2%E2%88%9Ax%7D%20%2B%20%5Cfrac%7B3%
charle [14.2K]

Answer: Down there there is an image with the correct answer and step by step

I hope that it helps you!

5 0
2 years ago
Jesse added two more numbers to his expression, but the sum did not change. What could the two new numbers be? Explain why the n
kenny6666 [7]

Answer:

0 and 0

Step-by-step explanation:

The only number that can be applied to the expression without changing the sum is 0, for example 5 + 10 = 15, adding 2 0's will be 0 + 5 + 10 + 0 = 15 :D

4 0
3 years ago
Read 2 more answers
The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.
zzz [600]
Hello,

u_{1} =-5\\&#10; u_{2} =-5+d\\&#10; u_{3} =-5+2d\\&#10; u_{4} =-5+3d\\&#10;...\\&#10; u_{10} =-5+9d=13\\&#10;==\ \textgreater \  9d=18 \\&#10;==\ \textgreater \  d=2&#10;&#10;
6 0
3 years ago
Other questions:
  • Johnathan has a bag full of 14 balls to sell. He sells the baseballs for $2 dollars and the volleyballs for $5 and earns a total
    5·1 answer
  • Find the value of this expression: (7+5)3-3
    7·2 answers
  • Tina is finding the quotient of. Is she correct? If not, what changes should be made?
    12·1 answer
  • What is the distance between the points 4,10 and -3,-14 on the coordinate plane
    15·1 answer
  • Payton has 4 bags of potting soil she has to put the same fraction in each of her 5 pots what fraction should she use
    13·1 answer
  • Jocelyn calculates that see will take 105 minutes to run 7 miles. She runs the distance in 84 minutes. What is Jillian’s percent
    6·1 answer
  • I'm asking this question again because the other picture didnt show the full picture. x = 2 and y = 3​
    5·2 answers
  • Sabrina is ordering a custom circular glass table for her dining room. The tables are ordered based on the area of the tabletop,
    11·2 answers
  • PLEASE HELP! WILL GIVE BRAINLIEST! After substituting, what is the first step when evaluating 4y+9 when y=82 O Add 4 and 9. O Mu
    13·1 answer
  • Fifteen girls left a mixed group of boys and girls. There remained two boys for each girl. After this, 45 boys leave the group,
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!