MATHEMATICS HIGH SCHOOL

Computers R US was selling laptops that had 4GB of memory for $495. You can but additional memory for $97 per GB. If your grandfather gave you $980 to buy a laptop and additional memory, how much memory can u get

Answers

Answer 1

Answer:

You can get 5GB additional memory and the total memory will be 9GB.

Step-by-step explanation:

Given,

Cost of laptop with 4GB memory = $495

Amount you have = $980

Cost per GB = $97

Let,

x be the additional memory in GBs you can buy.

As you cannot spend more $980, therefore,

Cost of laptop + Additional memory*Price per GB ≤ Amount you can spend

$495 + 97x\leq 980\n97x\leq 980-495\n97x\leq 485$

Dividing both sides 97

$(97x)/(97)\leq (485)/(97)\nx\leq 5$

Therefore, you can buy 5GB more memory.

Total memory = Memory laptop already have + additional memory

Total memory = 4GB + 5GB

Total memory = 9GB

You can get 5GB additional memory and the total memory will be 9GB.

Keywords: inequality, addition

Learn more about inequalities at:

#LearnwithBrainly

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3/8 +1/5 equals what it is on my homework and I'm struggling

Answers

make bottom numbers same
they should be 40
to kee p fractions the same multiply topo and bottom by same number
3/8 times 5/5=15/40
1/5 times 8/8=8/40
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*You might beable to simplify it

If the factors of a polynomial are x+7 and x-3, what values of x make that polynomial 0?

Answers

The values that make x that polynomial would be 0 would be 7 and negative 3.

Hope this helps:)

Ashley needs to ride her bike to her friends house 96 miles away. She is riding at an average rate of 15 miles per hour. She has 6 hours to get there. Will she make it?

Answers

The relationship between Speed, Distance and Time can be expressed as:

$\rm Distance = Speed * Time$

The total distance to be covered is 96 kilometres. Ashley couldn't cover it with existing speed and in available time.

Given:

$\rm{Average\; speed \;of\; Ashley} =(15\;mile)/(hour)$

$\rm{Time\; available} = 6\;hours$

Now, calculate the maximum distance that is possible to cover.

$\begin{aligned}\rm Distance &= \rm{Speed * Time}\n&=15 * 6\n&=90\end{aligned}$

The total distance to be covered by her is 96 kilometres. Ashley could cover only 90 kilometres.

Learn more about the topic here:

brainly.com/question/12759408

Average speed of Ashley = 15 miles per hour

Time she has = 6 hours

Distance can be covered = speed × time = 15×6 = 90 miles

But the distance of her friend's house is 96 miles.

So she will not be able to make it.

Solve the logarithmic equation. be sure to reject any value that is not in the domain of the original logarithmic expressions. give the exact answer. log8(5x + 8) = log8(5x + 5)

Answers

this is the answer: false, because the domain is incorrect

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Answers

800 pounds i believe

800 pounds should be the answer

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