2 years ago

(7th grade work) which is the best estimate for 0.8% of 503? Choices: 10 4 1

Mathematics

2 answers:

elixir [45]2 years ago

7 0

Answer:

I think it's 4.

Step-by-step explanation:

Andru [333]2 years ago

5 0

ANSWER:
It’s 4 it’s the best choice

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2 years ago

Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39. For any minutes over 200, Ben is cha

faltersainse [42]

Answer:

$\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.$

Step-by-step explanation:

We are given that Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39.

We are also told that For any minutes over 200, Ben is charged $0.35 per minute.

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So, if $x\leq 200$

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So, when $x>200$

So, charge = $39+(x-200)\times 0.35$

So, the piecewise functions accurately represents charges based on Ben's cell phone :

$\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.$

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3 years ago

Read 2 more answers

A cell phone can receive 120 messages per minute. At this rate, how many messages can the phone recieve in 150 seconds

aev [14]

Hi,

The answer would be 300 messages. To explain, there are 60 seconds in a minute so 120 divided by 60 is 2, so that means 2 words per second. So to get the answer for 150 seconds, you multiply 150 by 2 and get 300.

I hope this helps!

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3 years ago

Ummm Hey,I don't know the answer for this question,when I solve the problem my answer always 6 but the real answer is 2 so I nee

kramer

umm ok then its 2...

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3 years ago