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ZanzabumX [31]
3 years ago
15

How do you simplify -7 (-8)?

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
5 0
-7(-8) = 56            [multiplication of two negative numbers gives a positive number]
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4 0
3 years ago
If you roll a die twice, what is the probability of getting a number less than 5 on both rolls?
xz_007 [3.2K]
<h3>Answer:  4/9</h3>

========================================================

Explanation:

The outcomes of the die are {1,2,3,4,5,6} which is the sample space.

The values less than 5 are {1,2,3,4}

There are 4 values we want out of 6 total, so 4/6 = 2/3 is the probability of rolling something less than 5 on a single die.

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2 years ago
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6 0
3 years ago
Is this right? if not, can you please fix it? ​
Viktor [21]

Answer:

(x+1)

Step-by-step explanation:

6x^2 -6         3-3x

-------------- ÷ ---------

8x^2 +8x       4x^2 +4x

Copy dot flip

6x^2 -6         4x^2 +4x

-------------- *---------

8x^2 +8x       3-3x

Factor

6(x^2-1)        4x(x+1)

-------------- * ---------

8x(x+1)       3(x-1)

6(x-1)(x+1)       4x(x+1)

-------------- * ---------

8x(x+1)       3(x-1)

Cancel like terms

2(x-1)           (x+1)

-------------- * ---------

2                   (x-1)

    (x+1)

                   

5 0
3 years ago
Which expressions are equivalent to 7(-3/4 times -4
Sliva [168]

Answer:

147

Step-by-step explanation:

7(-3/4 times -4 should most likely be written with a " ) " at the end:

7(-3/4 times -4).

Symbolically, this comes out to

       

        7            -3         -4

7( ----------- )*(------ * --------- )   =   49(3) = 147

        1              4          1

Note:  If you are given possible answer choices, please share them.  Thanks

4 0
3 years ago
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