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galben [10]
3 years ago
6

Elli has some money

Mathematics
1 answer:
STALIN [3.7K]3 years ago
4 0
15$ I believe, as we can disregard the two original books (they have been payed for) leaving her to buy 1 book and having seven dollars, however if she needs $8 more you simply need to add 8+7.
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2 – 5 + 4 – 6 – 2 + 12<br> 11<br> -5<br> 5<br> 1
denpristay [2]

Answer:

C. 5

Step-by-step explanation:

2 - 5 + 4 - 6 - 2 + 12

2 + 4 + 12 - 5 - 6 - 2

18 - 5 - 6 - 2

18 - 13

5

3 0
3 years ago
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What is the slope of the line shown?
professor190 [17]

Answer:

1/2

Step-by-step explanation:

Pick two points on the line

(2,0) and (4,1)

Use the slope formula

m= (y2-y1)/(x2-x1)

  = (1-0)/(4-2)

   = 1/2

4 0
3 years ago
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In the year 2000, the population of a city was 600,000 citizens. The population increases at a rate of 1.8% per year.
Alona [7]
Y=600000(1+1.8%)^(x-2000)
So the population in 2012
Y=600,000×(1+0.018)^(2,012−2,000)
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6 0
3 years ago
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Aseem and Stana are building model cars. Stana's car is 5 less than 2 times the length of Aseem's car. The sum of the lengths of
sleet_krkn [62]

Answer:

2x − 5 + x = 20

Step-by-step explanation:

Let Aseem's car length be x

Then, length of Stana's car is:

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Sum of lengths:

2x - 5 + x = 20

4 0
3 years ago
In Kayllie'srecipe for lemonade, the ratio of lemons to water is 7 to 4. People are complaining that the lemonade is too weak. W
katrin [286]

Answer:

B.) 10 to 5 and D.) 8 to 4.

Step-by-step explanation:

Since we are trying to make the lemon taste stronger, there would need to be more lemons than water. The ratio would need to have a larger difference than 7:4. The difference is 3.

Choice A has a difference of 2. Two is less than 3 so this would taste more watery than lemony. Choice C has a difference of 3. Because we want a <em>stronger</em> lemon taste, this won't work. It would taste the same.

Choice B has a difference of 5. This is greater than 3 so the lemon taste will be stronger. Choice D has a difference of 4, this is also greater than 3 and will also make the taste of lemon stronger.

Hope this helps,

♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥

5 0
3 years ago
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