3 years ago

Someone please help me

1 answer:

7 0

21.3 in^2

hope this helped

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frozen [14]

You would replace the t with 5 because t = days

1.5(5) + 20 = 7.5 + 20 = 27.5

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3 years ago

ch4aika [34]

Answer:

-5 = 2(-1) + b

Step-by-step explanation:

the slope-intercept form is writing as y = mx +b

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3 years ago

sergeinik [125]

Answer:

Step-by-step explanation:

8 0

3 years ago

PtichkaEL [24]

Answer: without parentheses it'll be : -2x square 2 2x square 2 9x-2!

Step-by-step explanation: well to start with,Nothing will change when you solve it just rember the PEMDAS and you'll be fine! Good luck :3

7 0

4 years ago

Simora [160]

Rewrite the given number as

$\dfrac{a+ib}{c+id}=\dfrac{(a+ib)(c-id)}{(c+id)(c-id)}=\dfrac{ac+bd+i(bc-ad)}{c^2+d^2}$

If it's purely real, then the complex part should be 0, so that

$\dfrac{bc-ad}{c^2+d^2}=0\implies bc-ad=0\implies\boxed{ad-bc}$

as required.

7 0

3 years ago