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lukranit [14]
2 years ago
12

Evaluate the following expresslon: -2|9|. 18 -11 -18 11

Mathematics
1 answer:
dmitriy555 [2]2 years ago
3 0

Answer:

-18

Step-by-step explanation:

The absolute value is only on the 9, and the absolute value of positive 9 is positive 9. Multiply by negative 2 and you get -18.

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What’s the difference between numbers that are to the power of with parentheses and no parentheses. For example (-2/5)^3 and -2/
Verdich [7]

Answer:

See below

Step-by-step explanation:

The first one 'cubes' the denominator AND the numerator:

(-2/5)^3  = -2/5  * -2/5  * -2/5 =  -8/125

The second one 'cubes' only the denominator:

-2/5^3  = -2 / (5 * 5 * 5) =  - 2 / 125

8 0
2 years ago
HELP ME PLS I WILL GIVE YOU THE BRAINEST
Fiesta28 [93]

Answer:

The first term should be positive

She did not distribute the -4 properly

She added \frac{2}{7} to negative -4 instead of multiplying

Step-by-step explanation:

In order to tell where she is wrong we should solve the question our selves. we are going to get the following......

-4(-3x + \frac{2}{7})= -4(-3x) +  (-4)(\frac{2}{7} )= 12x - \frac{8}{7}

So now we see that the three things she did wrong are.

The first term should be positive

She did not distribute the -4 properly

She added \frac{2}{7} to negative -4 instead of multiplying

Hope this helps :)

7 0
3 years ago
Read 2 more answers
No Links plz<br> help plzz<br> (0000.7x4x6+8to the power of 2)x(16x 8 to the power of 8x5+2)
valentina_108 [34]

Answer:

80.8

Step-by-step explanation: 0.7x4x6=16.8

16.8+8 to the 2nd power= 80.8

6 0
2 years ago
Which of the terms given can you right in the butt in the box so that the equation will be infinity many solutions 4x-36=. (X-9)
pashok25 [27]
I donno. 83828728873
8 0
2 years ago
How do you solve 2/5 (c+8.5) =18
Orlov [11]
Solve for c by simplifying both sides of the equation, then isolating the variable.



C=36.5
4 0
3 years ago
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