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3 years ago

Number of Bars

Mathematics

1 answer:

Fantom [35]3 years ago

8 0

Answer:

Nustiudecedarnamcefacedinpacatesideaia

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Write the average of y numbers. Is 22 the numbers 20, 17, 24, 18, 29 and x. find x

Elena L [17]

22 is the average of the numbers 20,17,24,18,29, and x is what I guess the qusetion is

count them
6 numbers

(20+17+24+18+29+x)/6=22
(108+x)/6=22
times both sides by6 to clear fraction
108+x=132
minus 108 from both sides
x=24

3 0

2 years ago

Help please and show work

Nikolay [14]

Answer:

Step-by-step explanation:the half of 32 is 16 so 16 times 2 =-=

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3 years ago

I need help with this problem

Arada [10]

Answer:

65.56°

Step-by-step explanation:

We know that if we take dot product of two vectors then it is equal to the product of magnitudes of the vectors and cosine of the angle between them

That is let p and q be any two vectors and A be the angle between them

So, p·q=|p|*|q|*cosA

⇒ $cosA=\frac{u.v}{|u||v|}$

Given u=-8i-3j and v=-8i+8j

$|u|=\sqrt{(-8)^{2}+ (-3)^{2}} =8.544$

$|v|=\sqrt{(-8)^{2}+ (8)^{2}} =11.3137$

let A be angle before u and v

therefore, $cosA=\frac{u.v}{|u||v|}=\frac{(-8)*(-8)+(-3)*(8)}{8.544*11.3137} =\frac{40}{96.664}$

⇒ $A=arccos(\frac{40}{96.664} )=arccos(0.4138 )=65.56$

Therefore angle between u and v is 65.56°

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3 years ago

Write 9020000 in standard form?

dolphi86 [110]

Answer:

9.02 x 10^6

Step-by-step explanation:

hope this helps!

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3 years ago

If 12 roses cost $18.96 what is the cost of 5 roses

kap26 [50]

$7.90
Hope this helps!
Have a great day:)

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3 years ago