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Maru [420]
3 years ago
14

A student council sold 856 copies of a school yearbook, four fifths of the students at the school bought a copy , how many stude

nts did not buy a yearbook
Mathematics
1 answer:
kumpel [21]3 years ago
8 0

Answer:

I am guessing about 150 - 200 students did not buy a yearbook.

Step-by-step explanation:

First let's assume that there are 1,000 or so students in the school. 856 would be a little over 4/5 of 1,000 just as 8 would be 4/5 of 10.

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In a raffle, 150 tickets were sold. The rules of the raffle allow only one ticket to be sold per person. Jeff and his 2 brothers
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3 0
2 years ago
What value in place of the question mark makes the polynomial below a perfect square trinomial? 9x2+?x+64
serg [7]
9x² + bx + 64
\/(9x²) = 3x
\/84 = 8
2*3x*8 = 48x
b = 48
4 0
2 years ago
Read 2 more answers
Identify the number that does not belong with the other three. Explain your reasoning. negative 10 over 2, negative 13.4, square
11111nata11111 [884]
Sqrt 18 I believe :)
8 0
3 years ago
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X - 5y = 10; (0, -2) Group of answer choices no yes
mr Goodwill [35]
  • Yes, this linear equation is correct on point (0,-2).

Given that:

  • The linear equation

         x - 5y = 10;

  • The point

        (0, -2)

To find

  • We have to prove LHS = RHS

So, according to the question

We have,

The linear equation,

         x - 5y = 10; and point is (0,-2)

From equation,

         x - 5y = 10

Take the left part of given linear equation,

         LHS = x - 5y

Now, putting the values, x = 0 and y = -2.

Then, we will be get.

                = x - 5y

                = (0) - 5 ×(-2)

                = - 5 × -2

                = 10.

So, we can say that

          LHS = RHS.

Where,

           LHS = Left Hand Side.

           RHS =  Right Hand Side.      

We can solve that linear equation in other way,

When we put x = 0, we get y = -2.

So, if we put x = 1, we get y = -9/5.

Similarly, if x = 2, then y = -8/5.

Now, we can say that points (0,-2), (1,-9/5) and (2,-8/5) are lie in the linear equation x - 5y = 10.

To learn more about linear equation, please click on the link;

brainly.com/question/13738061

#SPJ1

6 0
1 year ago
(IF ANSWERED CORRECTLY WILL GIVE BRAINLIEST)
ahrayia [7]

172 ÷ 4 = 43 miles per hour

43 ÷ 5 = 10.75 miles per 12 minutes

8 0
2 years ago
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