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
ale4655 [162]
3 years ago
12

There are 42 children in the classroom each student will get 28 pencils and 46 erasers how many pencils will the teacher have to

give out. P.S. i messed up on the last question
Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
4 0

Since the question is asking how many pencils the teacher will have to give out, we can automatically ignore the 46 erasers from the problem because it is not relevant. The information was most likely put there to confuse you.

Each student is getting 28 pencils, so if we multiply the number of students by 28 pencils, we will find how many pencils the teacher will need to give out.

There are 42 children in the classroom, so multiply 42 by 28.

42 * 28 = 1,176

The teacher will have to give out <u>1,176 pencils</u> to her 42 children in the classroom.

ser-zykov [4K]3 years ago
3 0

There are 42 children in the classroom. Each student gets 28 pencils. All you have to do is multiply 42 by 28.

The phrase "and 46 erasers " is mentioned to trick, or confuse you. That part doesn't matter.

Now multiply 42 by 28

42 \times 28 = 1,176

  • The teacher will have to give out 1,176 pencils.
You might be interested in
Can anyone plzzzz help me with this question of linear equation in two varaiable plzzzzzz... Its very important... Plz solve it
kotegsom [21]

That's not a linear system, but you have an awesome school system for giving you this problem.

\dfrac 5 y - \dfrac 2 x = \dfrac{13}6

Multiply by 6xy to clear the fractions.

30x - 12y = 13 xy

That's a second degree equation, also known as a conic.  That one happens to be a hyperbola.  

30x = y(13 x +12)

y = \dfrac{30x}{13 x + 12}

Let's clear the fractions from the second equation, multiplying out common denominator xy:

\dfrac {36} x - \dfrac {24} y = 1

36y - 24 x = xy

We are being asked to find the meet of two hyperbolas, so we expect two answers, a quadratic equation.

Substituting,

36 \left( \dfrac{30x}{13 x + 12} \right) - 24 x = x \left( \dfrac{30x}{13 x + 12} \right)

36(30x) -24 x(13x + 12) = 30x^2

1080 x - 312 x^2- 288 x = 30x^2

x(792 - 342 x)= 0

x = 0 \textrm{ or } x=792/342 = \dfrac{44}{19}

We have to rule out x=0 because it's in the denominator.

y = \dfrac{30x}{13 x + 12} = \dfrac{30(44/19)}{13(44/19)+12}

y = \dfrac{33}{20}

Answer: (44/19, 33/20)

8 0
3 years ago
9 – 2x = 19<br> What is x
iren2701 [21]

9-2x=19

or,-2x=19-9

or,-2x=10

or,x=10/-2

therefore,

x=-5

6 0
3 years ago
Read 2 more answers
Which of the following figures has 90 rotation symmetry?
garik1379 [7]
It would be a rectangle
6 0
3 years ago
Which equation is in point-slope form and depicts the equation of this line?
Elodia [21]
We know
in the graph two points
point 1 (2,1)  and point 2 (-1,-4)
the equation in point-slope form is ----------------> (y-y1)=m(x-x1)

step 1
find the value of m
m=(y2-y1)/(x2-x1)----------> (-4-1)/(-1-2)--------> m=5/3

step 2
with the point (-1,-4)  and m=5/3
find the equation in point-slope form
(y-(-4))=(5/3)*(x-(-1))-------------> (y+4)=(5/3)(x+1)

the answer is the option d) ( y+ 4 ) =+ 5/3 ( x + 1 )

7 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula? Qu
Likurg_2 [28]

Answer:

a  =  1

b =  -1

c =  -2

Step-by-step explanation:

We reorder the equation in such way that let us see the usual

ax² + bx + c = 0

Then the original quation is:

-2 = - x + x² - 4               ⇒  0 = 2 - x + x² - 4        ⇒ x² - x  - 2  = 0

Now we are able by simply inspection to identify a, b . c comparing our equation with the general equation so :

a  =  1

b =  -1

c =  -2

5 0
3 years ago
Read 2 more answers
Other questions:
  • Did the maya create chocolate
    12·1 answer
  • Help with geometry!!!!!!!!!!!!
    6·1 answer
  • consider the following set of equations: equation a: y = 2x 4 equation b: y = 3x 1 which of the following is a step that can be
    8·2 answers
  • What is 4% of 40 as a percent
    15·2 answers
  • What’s the angle of cda
    6·1 answer
  • Design:
    15·1 answer
  • Rearrange the formula to make x the subject.<br><br> y = x -5
    14·1 answer
  • Consider the equation y=-x2 - 7x + 12. Determine whether the function has a
    15·1 answer
  • How to find the height of a cone when only radius is given
    6·1 answer
  • 120=24p<br> (This is multiplication)
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!