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2 years ago

What is the answer-(-12)=?

Mathematics

2 answers:

Leya [2.2K]2 years ago

8 0

Answer:

Step-by-step explanation:

A negative times a negative always make the number positive.

Think of -(-12) like this:

-1(-12)

-1*-12=1*12=12

Andrei [34K]2 years ago

7 0

The answer is 12! It is basically the same as asking (-1)(-12) which is 12 because when multiplying two negatives you get a positive!

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Can someone help me solve this?

Dovator [93]

Answer:

5 felt pads.

7 cards.

Step-by-step explanation:

Remark

The total number of items is 12
So let the felt sheets be x
Let the cards = y

Equations and Solution

x + y = 12

Now the price is 7.75 that she has to pay for the 12 items. She wants to come back with 0 dollars.

0.5x + 0.75y = 7.75 Multiply this equation by 2

x + 1.5y = 15.50 write the first equation underneath and subtract.

.5y = 3 Divide by 0.5

y = 3/0.5

y = 7

So she can get 7 cards.

x + y = 12

x + 7 = 12

x = 12 - 7

x = 5

So she can buy 5 felt pads.

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2 years ago

Okay so What is 4/10 x 1/6?

Stella [2.4K]

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2 years ago

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NeX [460]

Answer:

what function

Step-by-step explanation:

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Valentin [98]

By "density" I assume you mean "probability density function". For this to be the case for $f(x)$ , we require

$\displaystyle\int_{-\infty}^\infty f(x)\,\mathrm dx=1$

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ZanzabumX [31]

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