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2 years ago

Would it be division or multiplication

Mathematics

2 answers:

BigorU [14]2 years ago

6 0

It would be division

miv72 [106K]2 years ago

5 0

In this situation, you would use division because when you divide the number of blankets by the number of boxes, you will get how many blankets were put into each kennel. And since there were 1,110 puppy blankets and 27 boxes, divide 1,110 by 27. This will get you the answer 41. This means that there are 41 puppy blankets in each box, and so the answer is D. 41.

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2 years ago

Read 2 more answers

Can someone understand this i know its substitution for sure if i dont get wrong

svlad2 [7]

4x - y = 3

y = 2x + 13

Substitute the second equation into the first equation:

4x - y = 3 [since y = 2x + 13, you can substitute (2x + 13) for "y" in the equation]

4x - (2x + 13) = 3 Distribute/multiply - into (2x + 13)

4x - 2x - 13 = 3

2x - 13 = 3 Add 13 on both sides

2x = 16 Divide 2 on both sides

x = 8

Now that you know x = 8, plug it into one of the equations to find y

y = 2x + 13

y = 2(8) + 13

y = 16 + 13

y = 29

x = 8, y = 29 or (8, 29)

[proof]

4x - y = 3

4(8) - 29 = 3

32 - 29 = 3

3 = 3

y = 2x + 13

29 = 2(8) + 13

29 = 16 + 13

29 = 29

7 0

2 years ago

1-sina/cosa=cosa/2-sina/2÷cosa/2+sina/2

Serhud [2]

Step-by-step explanation:

Let's take the RHS,

we've,

Let's Rationalise the Denominator.

we get,

The numerator is in form of (a-b)^2 and the denominator is in form of a^2-b^2. Now,

By formula,

Here I substituted Cosa in place of (Cosa/2)^2 - (sina/2)^2 because it's the formula of cosa in sub multiple angle form.

<h3>In the numerator, </h3>

(sina/2)^2 + (Cosa/2)^2 =1.........( by formula)

so we have,

<h3 /><h3 /><h3>1 - sina {because 2sina/2.cosa/2=sina)</h3><h3>Cosa</h3>

LHS proved.

Thank You.

5 0

2 years ago