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ohaa [14]
2 years ago
13

Please help me with this 86 points are given! And brainlest for the best answer

Mathematics
2 answers:
Lelu [443]2 years ago
8 0
For A you would use 2.0 x 6.0 = 12 because 2.3 rounds to 2 and 6.5 goes down to 6. Then you multiply .3x.5 to get .15 and then you add these to get your answer. 2.3x6.5=14.95 I hope this helps
vlabodo [156]2 years ago
8 0

Answer:

2.0 x 6.0 = 12 because 2.3 rounds to 2 and 6.5 goes down to 6.

Step-by-step explanation:

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Simplify the radical expression.
tresset_1 [31]

To simplify this fraction, multiply the entire fraction by the conjugate of the denominator. The conjugate of a square root and a number being added to it would be the number <em>subtracted </em>from the square root. In other words, the conjugate of \sqrt{a} + b would be\sqrt{a} - b.


Applying that information to our fraction shown here, the conjugate of the denominator would be \sqrt{3} - 4. We will multiply both the numerator and denominator of our original fraction by this expression to obtain our answer, as shown below.


\Big(\dfrac{1}{\sqrt{3} + 4}\Big)\Big(\dfrac{\sqrt{3} - 4}{\sqrt{3} - 4}\Big)

\dfrac{\sqrt{3} - 4}{3 - 16}

\dfrac{4 - \sqrt{3}}{13}


Our answer is \boxed{\dfrac{4 - \sqrt{3}}{13}}.


5 0
3 years ago
Lan make 60 cakes. he gives 1/4 of the cakes to Helen. he gives 20 of the 60 cakes to sue. what fraction of the 60 cakes does he
weqwewe [10]

Answer:

5/12

Step-by-step explanation:

1/4 of the cakes is 60 divided by 4 which is 15. That goes to Helen

20 go to Sue

so far, he has given away 35 cakes out of the 60

he is left with 25 cakes

that is 25/60 which can be simplified to 5/12

4 0
2 years ago
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Add 2/5 plus 27/9 -0
Leviafan [203]
2/5 plus 27/9 minus 0 equals 0
4 0
3 years ago
Original price of $52 after a 20% discount
Neporo4naja [7]

Answer:

The new price is 41.60

Step-by-step explanation:

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52 * 20%

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10.4

Subtract this from 52

52 - 10.4

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The new price is 41.60

5 0
2 years ago
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Ok so then line p is the equation y=x

is that all you needed?
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3 years ago
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