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2 years ago

How mathematics is involved in Merchandising?

Mathematics

1 answer:

Nookie1986 [14]2 years ago

6 0

Answer:

You have to have the number of items you payed for and know what numbers your calculating at checkout

Step-by-step explanation:

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What is (2/3)^4 <br> does anybody know?

Sveta_85 [38]

Answer:

Step-by-step explanation:

<h2>hopes this helps. Mark as brainlest plz!</h2>

4 0

2 years ago

If 3x + 7y = 37 and x= 3, then y =

Gemiola [76]

Answer:

y = 4

Step-by-step explanation:

Given

3x + 7y = 37 ← substitute x = 3 into the equation

3(3) + 7y = 37, that is

9 + 7y = 37 ( subtract 9 from both sides )

7y = 28 ( divide both sides by 7 )

y = 4

7 0

3 years ago

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1.6 lbs. = __ gal<br> how many gallons are in 1.6lbs?

Simora [160]

11.9 gallons I think

3 0

2 years ago

I just need this one for a Assignment

AleksandrR [38]

Answer:

the answer is 30

Step-by-step explanation:

7 0

2 years ago

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Find the area of the parallelogram that has adjacent sides Bold u equals Bold i minus 2 Bold j plus 2 Bold kand Bold v equals 3

Mice21 [21]

Answer:

The area of the parallelogram is $A=\sqrt{26}$ .

Step-by-step explanation:

Let's rewrite these two vectors:

$u=i-2j+2k$

$v=0i+3j-k$

Let's recall that the area of the parallelogram is the magnitude of the cross product between these vectors.

We can use the Determinant method to find it.

$u \times v=\left[\begin{array}{ccc}i&j&k\\1&-2&2\\0&3&-1\end{array}\right] = i((-2)*(-1)-2*3)-j(1*(-1)-2*0)+k(1*3-(-2)*0)=i(2-6)-j(-1)+k(3)=-4i+j+3k$

Now, the magnitude is the square root of each component squared. It will be:

$|u \times v|=\sqrt{(-4)^{2}+(1)^{2}+(3)^{2}}=\sqrt{16+1+9}=\sqrt{26}$

Therefore the $A=\sqrt{26}$ .

I hope it helps you!

8 0

2 years ago