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Mnenie [13.5K]
3 years ago
5

The simplification of 2(4²-3)-7-519 5112​

Mathematics
2 answers:
makvit [3.9K]3 years ago
7 0

Answer:

19

Step-by-step explanation:

To simplify this we need to follow the order of operations.

We begin with: 2(4^2-3)-7

First, we need to simplify the exponent

2(16-3)-7

Next, we need to do everything within the parenthesis

2(13)-7

Now we can multiply

26-7

And lastly, we can subtract

19

Serjik [45]3 years ago
6 0
The answer is 19



First we do the power
So, 2(16_3)_7

Then we do the brackets
So,
2(13)_7

Then multiplication
So, 26_17

So, 19
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Answer:

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3 years ago
Work out the number that is halfway between 27 times 38 and 33 times 38.
lutik1710 [3]
27*38=1026\\
33*38=1254\\
x-between\ number\\
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4 0
3 years ago
Please select the best answer from the choices provided
NeTakaya

we are given

2^{\frac{1}{2}}\cdot 2^{\frac{1}{2} }

we can use exponent formula

a^n \cdot a^m=a^{n+m}

now, we can use this formula

2^{\frac{1}{2}}\cdot 2^{\frac{1}{2} }=2^{\frac{1}{2}+\frac{1}{2} }

we can add exponent

and we get

2^{\frac{1}{2}}\cdot 2^{\frac{1}{2} }=2^{\frac{1+1}{2} }

2^{\frac{1}{2}}\cdot 2^{\frac{1}{2} }=2^{\frac{2}{2} }

2^{\frac{1}{2}}\cdot 2^{\frac{1}{2} }=2^{1}

2^{\frac{1}{2}}\cdot 2^{\frac{1}{2} }=2

So, option-B.......Answer

8 0
3 years ago
Read 2 more answers
The average of four numbers is 90.Three of them are 138,40,and 102 find the fourth number
Ymorist [56]

Answer:

x=80

Step-by-step explanation:

To find the average, we take the numbers, add them up.  Then divide by the number of terms we added.

Let x= the unknown number

The average =90

Average = (138+40+102+x)/4

90 = (138+40+102+x)/4

Multiply by 4 on each side

90*4 =(138+40+102+x)/4 *4

360 = (138+40+102+x)

Combine like terms

360 = 280 +x

Subtract 280 from each side

360-280 = 280+x-280

80 =x


8 0
4 years ago
Read 2 more answers
How do you write explanation form for 9×9×9×9​
Sonja [21]

Step-by-step explanation:

soln.9×9×9×9

=81×9×9

=729

=6561

6 0
3 years ago
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