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marta [7]
3 years ago
6

HELP PLEASE What is the following product?

Mathematics
2 answers:
Naya [18.7K]3 years ago
6 0
The answer would be: 

sergeinik [125]3 years ago
3 0
(2 \sqrt{7}+3 \sqrt{6}  )(5 \sqrt{2}+4 \sqrt{3}  )=10 \sqrt{14}+8 \sqrt{21}  +15 \sqrt{12}+12 \sqrt{18}  = \\ =10 \sqrt{14}+8 \sqrt{21}  +15 *2\sqrt{3}+12*3 \sqrt{2}= \\ = 10 \sqrt{14}+8 \sqrt{21}  +30\sqrt{3}+36 \sqrt{2}
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Match the x-coordinates with their corresponding pairs of y-coordinates on the unit circle.
Sergio [31]

In mathematics, a unit circle is a circle of unit radius—that is, a radius of 1. Frequently, especially in trigonometry, the unit circle is the circle of radius 1 centered at the origin (0, 0) in the Cartesian coordinate system in the Euclidean plane.

8 0
3 years ago
Alexa and her children went into a movie theater where they sell bags of popcorn for $8 each and pretzels for $5 each. Alexa has
never [62]

Answer:

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Step-by-step explanation:

3 0
3 years ago
You can peel 48 potatoes in 10 minutes. How long will it take you to peel 100 potatoes?
dybincka [34]

Answer:

About 20.8 minutes

Step-by-step explanation:

TO solve this just think of it as a ratio. The number of potatoes goes on top and the time goes on bottom.

48

__

10

That is what the first one would look like. In the second one we know the number of potatoes but we are trying to find the time (x).

100

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 x

Take these two ratios and set them equal to each other.

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48x=1000    Now divide by 48 and you have your answer.

About 20.8 minutes

7 0
4 years ago
Calculate the sum of the first 30 terms in the sequence that begins with 70,65,60
Afina-wow [57]

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\la\la\la\la\ddddddddddddddddddddddddddddddddcleverdddddd\ffffffffffffffffffffffffffffffffffffffff\pppppppppppppppppppppppppppppppppppp\ddddddddddddddddddd \displaystyle \Large \boldsymbol{} a_1=70  \  ; \ d=-5  \\\\S_n=\frac{a_1+a_n}{2} \cdot n \ ; \ a_n=a_1+(n-1)d \Longrightarrow \\\\\\ S_{30}=\frac{70+70-29\cdot5}{2} \cdot 30 =-75 \\\\\\Answer: S_{30}=-75

4 0
3 years ago
Kelly and Daniel wrote the following proofs to prove that vertical angles are congruent. who is correct?
katrin [286]
Kelly? Im not sure actually... Im going with Kelly but im probably wrong
7 0
3 years ago
Read 2 more answers
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