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
DanielleElmas [232]
3 years ago
13

Out of 21 Students in a class three seventh are boys and Four seventh are girls. How many are girls and how many are boys

Mathematics
1 answer:
konstantin123 [22]3 years ago
3 0

Answer: 9 boys and 12 girls

Step-by-step explanation:

21 * 3/7 = 9

21 * 4/7 = 12

You might be interested in
Tony’s Electronics is marking down the price of a TV 23% from the original price of $175. Which expression can be used to find t
Arlecino [84]

Answer:

The sale price is \$134.75

The expression is \$175(0.77)

Step-by-step explanation:

we know that

The sale price is equal to subtract the discount price from the original price

The discount price is equal to multiply the original price by the percent discount in decimal form

Let

x ----> the sale price

y ---> discount price

23\%=23/100=0.23 ----> percent discount in decimal form

y=\$175(0.23)=\$40.25

x=\$175-y

substitute

x=\$175-\$40.25=\$134.75

therefore

the expression is

175-0.23(175)\\175(1-0.23)\\175(0.77)

3 0
3 years ago
Read 2 more answers
What is the distributive prperty to exspress 24+36
Liula [17]

I think it would be 12(2-3)

Hope this helps!


8 0
3 years ago
What is the answer some one help me please so i can do this
inna [77]

Answer:

They can buy up to 240 drinks.

Step-by-step explanation:

Let x = number of drinks

The price of 1 drink is 75¢ = $0.75

The price of x drinks is 0.75x

The store gives a discount of $100.

The rice of x drinks is

0.75x - 100

The total price of the drinks must be less than or equal to $80.

0.75x - 100 ≤ 80

Add 100 to both sides.

0.75x ≤ 180

Divide both sides by 0.75

x ≤ 240

Answer: They can buy up to 240 drinks.

6 0
2 years ago
A plan for an executive traveler's club has been developed by an airline on the premise that at least 5% of its current customer
STatiana [176]

Answer:

a) 3.0779

b)2.3264

Step-by-step explanation:

Please see attachment .

7 0
2 years ago
Without graphing, is each system independent, dependent, or inconsistent? { -x-3y=0 x-y=4
Kryger [21]
Since we can find a solution for this system of equations we can affirm this is an independent system with solution equal to (x,y) = (3,-1)

* If we graph a dependent system in the slope - intercept form, we can see that the graphs of each one are identical to each (beacuse we are representing the same line).

*An inconsistent system occurs when the equations have the same slope, but different values of intersection with the Y axis.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Jill earns $15 per hour babysitting plus a transportation fee of $5 per job. Write a formula for E, Jill's earnings per babysitt
    6·2 answers
  • Ella wanted to order candy online.company A is offering 2 2/4 pounds of chocolate for $32.50 while company B is offering 2 3/4 p
    15·1 answer
  • 2935.88 what is the value of digit 9
    14·2 answers
  • Question 5: prove that it’s =0
    6·1 answer
  • What is the area of this figure?
    8·1 answer
  • Choose the inequality that could be used to solve the following problem.
    14·2 answers
  • Carly buys a gold ring priced at $273.00 if the sale tax is 10 % , how much will carly pay
    10·2 answers
  • Use the distributive property to remove the parenthesis -4(-5w-3u+2)
    13·2 answers
  • Ana Completed 40% of her homework assignment How to Assignments contain 30 math problems how many problems does Anna still need
    9·1 answer
  • What is 7x1+1x1+1X1+1-0X + 0x2 + 2x simplified
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!