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
Virty [35]
2 years ago
13

In a school of 4000 students. 40 % of them are boys find the Number of boys and Number of girls

Mathematics
1 answer:
choli [55]2 years ago
3 0

Answer:

1600 boys, 2400 girls

Step-by-step explanation:

4000*4/10=400*4=1600

100-40=60

4000*6/10=400*6=2400

You might be interested in
X²+2x+<br> hacer la expresion un cuadrado perfecto
ch4aika [34]
=xx(x+2) es mi respuesta
3 0
3 years ago
The cost of 3 slices of pizza is $4.89. What is the cost of each slice of pizza? $1.63 $1.89 $2.45 $2.88
castortr0y [4]

1.63

4.89 divided by 3 = 1.63

3 0
2 years ago
Read 2 more answers
1) -4.2 = y - 1.8<br> i don’t know the answer need help
anastassius [24]

Answer:

y - 1.8 = -4.2

y = -2.4 is the solution

4 0
3 years ago
Read 2 more answers
5x + 4y = 11<br> 2x + 6y = -7
olga55 [171]

\left\{\begin{array}{ccc}5x+4y=11&|\cdot2\\2x+6y=-7&|\cdot(-5)\end{array}\right\\\underline{+\left\{\begin{array}{ccc}10x+8y=22\\-10x-30y=35\end{array}\right}\ \ \ \ |add\ both\ sides\ of\ the\ equations\\.\ \ \ \ \ \ \ \ \ \ \ -22y=57\ \ \ \ |:(-22)\\.\ \ \ \ \ \ \ \ \ \ \ y=-\dfrac{57}{22}\\\\substitute\ the\ value\ of\ y\ to\ the\ first\ equation\\\\5x+4\left(-\dfrac{57}{22}\right)=11\\\\5x-2\cdot\dfrac{57}{11}=11\ \ \ \ |\cdot11\\\\55x-114=121\ \ \ \ |+114\\\\55x=135\ \ \ \ |:55

x=\dfrac{135}{55}\\\\x=\dfrac{27}{11}\\\\Answer:\ x=\dfrac{27}{11}\ and\ y=-\dfrac{57}{22}\to\left(\dfrac{27}{11},\ -\dfrac{57}{22}\right)

8 0
3 years ago
What’s the slope ? please help , due in 20 min.
guajiro [1.7K]

Answer:

-7/3

Step-by-step explanation:

You take two ( X,Y) points and subtract them to find the slope of the line.

23-16/-6-(-3) = -7/3

8 0
2 years ago
Other questions:
  • On a map, there are 3 inches between two cities. The actual distance between the cities is 18 miles. What was the scale used? Pl
    12·1 answer
  • How to find one-half of the number six
    8·1 answer
  • A spider ate 2 5 % 25%25, percent more bugs this month than last month. The spider ate 8 88 bugs last month.
    7·1 answer
  • Tripp ran 4.8 times as many laps as tony. If tony ran 3.7 laps, how many laps did Tripp run?
    10·2 answers
  • There are 6 sets of coins on the table. There is only one coin in the first set, 2 coins in the second set, 3 coins in the third
    13·1 answer
  • Please help!! what is the length of the line
    11·1 answer
  • Será buys 1.20 pounds of skittles 3½ pounds of m&amp;m's and 5.2 pounds of pretzels if the candy cost $1.20 a pound and the pret
    6·1 answer
  • What is 44.5443495 rounded to the nearest thousand
    5·1 answer
  • What are the coordinates of the midpoint of the segment whose endpoints are A(-3,-5) and B(2,7) ?​
    7·1 answer
  • Determine if S could lie on the perpendicular bisector of QR with the given coordinates
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!