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3 years ago

2 less than 1/2 a number n is the quantity of 6 + 1 squared

Mathematics

2 answers:

mestny [16]3 years ago

8 0

Answer:

Step-by-step explanation: n=102

1/2 of 102 = 51.

51-2 = 49

6+1, squared = 49

Snezhnost [94]3 years ago

8 0

49 is the best answer

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Jasmine wants to use her savings of $1,128 to buy video games and music cds. The total price of the music cd she bought was $72.

Firlakuza [10]

24 video games.

First you subtract $72 from $1,128 then you divide $43 from $1,056 and you get 24.5581395
So the most video games jasmine can buy is 24.

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After responding to a distress call from the planet Xudar in space sector 2813, a group of Green Lanterns spot 6 suspected crimi

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3 years ago

500 in the ratio 2:3

irina1246 [14]

500 in 2:3 is saying that there are five different parts (2 + 3)
This means that 500 needs to be split into five, which is 100.
After that all you need to do is put 2 'sections' on one side and 3 on the other.

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3 years ago

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The sum of three numbers is 69. If the second number is equal to the first diminished by 8, and the third number is 5 times the

bonufazy [111]

X = first number
x - 8 = 2nd number
5x = 3rd number

x + x - 8 + 5x = 69
7x - 8 = 69 <=== this is the equation u would use

7x - 8 = 69
7x = 69 + 8
7x = 77
x = 11

1st number = 11
2nd number : x - 8 = 11 - 8 = 3
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3 years ago

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Find sin(a+B)

diamong [38]

Answer:

Cos A=5/13

we have

Cos² A= $1-Sin ²A$

25/169=1-Sin²A

sin²A=1-25/169

sin²A=144/169

Sin A= $\sqrt{144/169}=12/13$

again

Tan B=4/3

P/b=4/3

p=4

b=3

h= $\sqrt{3²+4²}=5$

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

Sin(A+B):sinAcosB+CosAsinB

now 

substitute value

Sin(A+B):12/13*3/5+5/13*(-4/5)=36/65-4/13

=16/65 is a required answer

6 0

3 years ago

2 less than 1/2 a number n is the quantity of 6 + 1 squared​

2 less than 1/2 a number n is the quantity of 6 + 1 squared