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
Scrat [10]
3 years ago
11

Out of 21 students in Mrs.Clarks class, 3/7 of the class are boys and 4/7 are girls. How many students in the class are girls an

d how many are boys?
Mathematics
1 answer:
lidiya [134]3 years ago
8 0

Answer:

9 boys and 12 girls

Step-by-step explanation:

if you multiply the denominators by 3, you get "out of" 21. All you need to do after that is multiply the top by 3 as well and it tells you there are 9 boys and 12 girls.

You might be interested in
It was wartime when the Ricardos found out Mrs. Ricardo was pregnant. Ricky Ricardo was drafted and made out a? will, deciding t
ElenaW [278]

Answer:The girl will get $2,000, the mother $4,000 and the boy $8,000

Step-by-step explanation:

f the amount the girl gets = x

The mother gets twice as much as the girl = 2x

And the boy get twice as much as the mother = 4x


Overall

x + 2x + 4x = $14,000

7x = $14,000

Divide both sides by 7 so

x=$2,000

5 0
3 years ago
Need help with 3 and 4
Rufina [12.5K]
Answer:
3) 9.2ml
4) .25ml

Have to have 20 characters
6 0
3 years ago
Read 2 more answers
If (x+2) is a factor of x^3-6x^2+kx+10, k=
Alja [10]
If a binomial (x-a) is a factor of a polynomial, then a is a root of this polynomial.

(x+2)=(x-(-2)) \Rightarrow a=-2\\\\
(-2)^3-6\cdot(-2)^2+k\cdot(-2)+10=0\\
-8-24-2k+10=0\\
-2k=22\\\
\boxed{k=-11}


3 0
3 years ago
If $1995.00 is shared equally among 5 men, how much would each get?
Vesna [10]

Answer:

each would receive $399

Step-by-step explanation:

divide 5 from 1995 which equals 399 :)

8 0
3 years ago
Read 2 more answers
I need the answers to #1,#2 and #3
Ede4ka [16]
The answers are #1 45 #2 24 #3 10
6 0
3 years ago
Other questions:
  • Solve for r:<br><br> -5 = 7 + 3r
    11·2 answers
  • Can someone help me with my algebra if u reply yes I’ll ask my questions
    14·2 answers
  • What is the mechanical energy of the cart on the right at position A. The
    5·2 answers
  • 19.2 ft by 9.7 what is the area of the room
    10·1 answer
  • Lines m and p are perpendicular. if the slope of line m is -3 what is the slope of line p?
    10·2 answers
  • Can you please give me the real answer -42 = n/7 will give u 5 star rating
    8·2 answers
  • Here is a polygon. draw a scaled copy of the polygon using a scaled factor or 1/2
    9·1 answer
  • The length r of a rope should be at least 5 inches how would you write that as an inequality​
    13·1 answer
  • Someone please help :( ?????
    5·1 answer
  • Which relationships have the same constant of proportionality between "y" and "x" as the equation: y = 5/2x?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!