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alexdok [17]
3 years ago
13

What the heck does this mean? -(-) =

Mathematics
2 answers:
sweet [91]3 years ago
8 0
It means positive I guess because a negative with a negative is positive
Bond [772]3 years ago
3 0

Answer:

+

Step-by-step explanation:

++ = +

+- = -

-+ = -

-- = +

Example:

-1 x -1 = 1

1 x -1 = -1

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Explain this strategy: 1.4 to the power of 4 times .75 squared equals 2.1609
yaroslaw [1]
What do u think the answer is
3 0
3 years ago
Crispy Clover, a popular vegetarian restaurant, introduced a new menu that has 20%, percent more dishes than the previous menu.
Elden [556K]

Correct answers are D + D(\frac{1}{5}) and 1.2D i.e. Options A & D

<u>Step-by-step explanation:</u>

Options for this questions are:

A)D+1/5D

B)D+20

C)D+20D

D)1.2D choose two answers.

We have , Crispy Clover, a popular vegetarian restaurant, introduced a new menu that has 20%, percent more dishes than the previous menu. The previous menu had D dishes.We need to find expressions could represent how many dishes Crispy Clover's new menu has . Let's find out:

Initially , Number of dishes are D . Then 20% more dishes are there in menu

⇒ \frac{D(20)}{100}

So , Total Number of Dishes are

⇒ D + \frac{20d}{100}

⇒ D + \frac{20d}{20(5)}

⇒ D + D(\frac{1}{5})

⇒ D + D(0.2)

⇒ 1.2D

Therefore, Correct answers are D + D(\frac{1}{5}) and 1.2D i.e. Options A & D .

4 0
3 years ago
Serious explination on this one with the answer guys? First to answer gets brainliest!
Alex Ar [27]

Answer:

the answer is -5x + -8x-5/2x^2-3

Step-by-step explanation:

:)

7 0
3 years ago
Can someone help me thank youuu!!!
andrew-mc [135]

Answer:

D.

Step-by-step explanation:

cos is positive and sin is negative

=>

it must be in quadrant IV.

you remember, 1 = sin² + cos²

1 = sin² + (3/5)² = sin² + 9/25

25/25 = sin² + 9/25

16/25 = sin²

sin = 4/5 or -4/5

and as sin of this angle is < 0, our solution is -4/5

4 0
2 years ago
Will mark brainliest and rate 5/5
VMariaS [17]

Step-by-step explanation:

multiply 13 in by 8 than multiply that by 10 i will not give a accurate answer

6 0
3 years ago
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