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3 years ago

Almost done guys I have 5 more questions

Mathematics

1 answer:

erastova [34]3 years ago

8 0

Answer:the third one

Step-by-step explanation:

just time how much months,weeks, and years, for each amount

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Make 80/6 to a mixed number explain how u got your answer

Deffense [45]

Answer:

13 $\frac{1}{3}$

Step-by-step explanation:

The closest multiple of 6 less than 80 is 13.

13×6=78

How many are left over?

80 - 78 = 2

$\frac{2}{6}$ remains, and this can be simplified to $\frac{1}{3}$

13 $\frac{1}{3}$

Hope this helps!! (I know it sounds a little complicated but it's easy to understand it with practice :)

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3 years ago

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Prompt Describe a simulation used to determine a game of darts. Plzzzzz help???

UkoKoshka [18]

Answer:

Anonymous simulation would be used to determine a game of darts.

5 0

3 years ago

What is 0.000000685 written in scientific notation?

maria [59]

we have

$0.000000685$

we know that

$0.000000685=\frac{685}{1,000,000,000} =\frac{685}{10^{9}}=685*10^{-9}$

$685*10^{-9} =6.85*10^{-7}$

therefore

the answer is

$6.85*10^{-7}$

3 0

3 years ago

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Solve by completing the square: x^2-2x-1=0

NemiM [27]

$(a-b)^2=a^2-2ab+b^2\ (*)\\------------------------------\\\\x^2-2x-1=0\\\\x^2-2x\cdot1=1\\\\\underbrace{x^2-2x\cdot1+1^2}_{(*)}-1^2=1\\\\(x-1)^2-1=1\\\\(x-1)^2=1+1\\\\(x-1)^2=2\Rightarrow x-1=-\sqrt2\ \vee\ x-1=\sqrt2\\\\\underline{\underline{x=1-\sqrt2\ \vee\ x=1+\sqrt2}}$

7 0

4 years ago

Yeah i ask a lot of questions my bad

Alex_Xolod [135]

Answer:

Step-by-step explanation:

4 + 3 =7

4 0

3 years ago