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3 years ago

A store sells

Mathematics

1 answer:

Fittoniya [83]3 years ago

3 0

Answer:

Step-by-step explanation:

Total number of packages = 12

Each package contains 3 pens

SO we can write the equation as follows

3 * 12 = 36

so the total no of pens in a box = 36

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I answered the question 3x-y=5 but is there a different way to answer this?

Svet_ta [14]

Step-by-step explanation:

Hi,

I agree with what you did. You could also add y on both sides and get 3x = y + 5 and then divided by three to get...

x = 5 + y /3

(the 5 and y are being divided by 3)

But that's just complicated, it works, but it's complicated. What you did is correct and what I gave you is the value of x, but I'm 100 percent sure yours is correct.

Hope this helps

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Answer:

I think its B and D

Step-by-step explanation:

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Shkiper50 [21]

We need to simpify the given expression. The given expression to us is ,

Given Expression :-

$\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta }$

Using Identity :-

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So that :-

$\sf\implies - sin^2\theta = cos^2\theta -1$

We have :-

$\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta } \\\\\sf\implies\dfrac{ - sin^2\theta}{4sin^2\theta}=\boxed{\sf -\dfrac{1}{4}}$

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add 0+1+2+3+4 = 10

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divide 30÷5 = 6

the ratio is 2:6 which simplifies to 1:3 by the means of lates per student. In other words there is one late per 3 students.

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