2 years ago

10x10=100 hope it help little kids

Mathematics

2 answers:

Finger [1]2 years ago

5 0

Answer: Thanks

Step-by-step explanation:

Bogdan [553]2 years ago

4 0

Answer:

thanks!

Step-by-step explanation:

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Using sum or difference formulas, find the exact value of sin(165∘)

Nikitich [7]

$\bf \textit{Sum and Difference Identities}
\\ \quad \\
sin({{ \alpha}} + {{ \beta}})=sin({{ \alpha}})cos({{ \beta}}) + cos({{ \alpha}})sin({{ \beta}})
\\ \quad \\
sin({{ \alpha}} - {{ \beta}})=sin({{ \alpha}})cos({{ \beta}})- cos({{ \alpha}})sin({{ \beta}})\\\\
-------------------------------\\\\$

$\bf sin(165^o)\implies sin(120^o+45^o)
\\\\\\
sin(120^o)cos(45^o)~+~cos(120^o)sin(45^o)\implies \cfrac{\sqrt{3}}{2}\cdot \cfrac{\sqrt{2}}{2}~+~\cfrac{-1}{2}\cdot \cfrac{\sqrt{2}}{2}
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\cfrac{\sqrt{6}}{4}~-~\cfrac{\sqrt{2}}{4}\implies \cfrac{\sqrt{6}-\sqrt{2}}{4}$

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3 years ago

What is the least common factor of 60,66

Ilia_Sergeevich [38]

Answer:3

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66/6=11

60/3=20

66/3=22 you double the numbers of the quotient which halves the factor.

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3 years ago

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3 years ago

Write a real world problem that you would represent with the equation 4x+5=37.

umka2103 [35]

If there were 37 apples. One of your friends took 5 apples. You divided the leftover apples and gave it to your four friends. How many apples did each of the four friends get?

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3 years ago

What times 17 -20 equals 180?

grigory [225]

Answer:

Step-by-step explanation:

17-20=3. 60times3 equals 180. So 60

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3 years ago