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Evgesh-ka [11]
3 years ago
6

Una gruesa de lapices(144 unidades) cuesta $6.800. Cuanto cuestan 450 lapices

Mathematics
1 answer:
irina [24]3 years ago
3 0
Write and solve an equation of ratios:

$6,800                x
------------- = --------------
144 units       450 units

Then 144x = 3060000, or x = $21,250 (answer)
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Your goal is to take at least 10,800 steps per day. According to your​ pedometer, you have walked 7370 steps. Write and solve an
faust18 [17]

Answer:

Step-by-step explanation:

Let the numbers of steps you can take to reach your goal be x

Your goal is to take at least 10,800 steps per day and you have walked 7370 steps already.

x + 7370 >= 10800

x >= 10800 - 7370

x >= 3430

3 0
3 years ago
Read 2 more answers
Check out the photo for the question
Anestetic [448]

Answer:

50

Step-by-step explanation:

42/n³∑k²+12/n²∑k+30/n∑1

=42/n³[n(n+1)(2n+1)/6]+12/n²[n(n+1)/2]+30/n [n]

=7n(n+1)(2n+1)/n³+6n(n+1)/n²+30

=7(n+1)(2n+1)/n²+6(n+1)/n+30

=[7(2n²+3n+1)+6(n²+n)+30n²]/n²

=[14n²+21n+7+6n²+6n+30n²]/n²

=[50n²+27n+7]/n²

=[50+27/n+7/n²]

→50 as n→∞

because 1/n,1/n²→0 as n→∞

4 0
3 years ago
Read 2 more answers
Is D the right answer for this? Thank you! - Alyssa
vesna_86 [32]
We start by ordering the values.

5, 7, 8, 10, 13, 14, 17, 17, 21

Now we find the median(middle number).

Median(b): 13
(I added (b) for "base" since we need to take more medians)
The median now divides this data into two halves.

Now we take the medians of the two remaining halves.

Median(Half1): 7.5
Median(Half2): 17

Mark off the minimum and maximum.

Min: 5
Max: 21

Now graph!

Your median(Half1) is incorrect, since your median for the first half is 9. Since our median for the first half is 7.5, the answer would be Answer Choice C.
8 0
3 years ago
Your mom purchased an antique lamp for $245. The value
larisa86 [58]

Answer:

y=245 * 1.035^t   $487.50

Step-by-step explanation:

y=245*1.035^20

y=245*1.9898

y=487.49827

6 0
3 years ago
A.1/12 B.1/6 C.1/4 D.1/3
wel

P(Getting # less than 3) = 2/6

P(Getting tails) = 1/2


P(Less than 3 and tails) = 1/2*2/6 = 1/6


Answer: 1/6

4 0
3 years ago
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