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Maksim231197 [3]
3 years ago
12

Please answer this correctly

Mathematics
2 answers:
grin007 [14]3 years ago
6 0

Answer:

Tyler maybe...........

-BARSIC- [3]3 years ago
4 0

Answer:

Tyler

Step-by-step explanation:

Tr=Tristan

Ty=Tyler

Ch=Charlie

La=Laura

Tr spent more money than Ty

Tr>Ty

Ch spent more money than tr, but less than Lara

La>Ch>Tr>Ty

Therefore, Tyler spent the least amount of money.

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The wildflowers at a national park have been decreasing in numbers. There were 300 wildflowers in the first year that the park s
Scorpion4ik [409]
Although the number of new wildflowers is decreasing, the total number of flowers is increasing every year (assuming flowers aren't dying or otherwise being removed). Every year, 25% of the number of new flowers from the previous year are added.
The sigma notation would be:
∑ (from n=1 to ∞) 4800 * (1/4)ⁿ , where n is the year. 
Remember that this notation should give us the sum of all new flowers from year 1 to infinite, and the values of new flowers for each year should match those given in the table for years 1, 2, and 3
This means the total number of flowers equals:
Year 1: 4800 * 1/4 = 1200 ]
+
Year 2: 4800 * (1/4)² = 300
+ 
Year 3: 4800 * (1/4)³ = 75
+  
Year 4: 4800 * (1/4)⁴ = 18.75 = ~19 (we can't have a part of a flower)
+
Year 5: 4800 * (1/4)⁵ = 4.68 = ~ 5
+ 
Year 6: 4800 * (1/4)⁶ = 1.17 = ~1
And so on. As you can see, it in the years that follow the number of flowers added approaches zero. Thus, we can approximate the infinite sum of new flowers using just Years 1-6:
1200 + 300 + 75 + 19 + 5 + 1 = 1,600

8 0
3 years ago
Polygon with only 2 congruent sides and 2 congruent angles
zalisa [80]
A rectangle or a parallelogram is a polygon with only 2 congruent sides and 2 congruent angles.
5 0
3 years ago
Find the sum of the first 6 terms in the sequence -5 -25 -125 -625
sashaice [31]
This is a geometric sequence, so use the formula for the sum of a geometric sequence:
Sum = (a(r^n - 1))/(r - 1)
where a is the first term, -5
r is the common ratio, 5
and n is the number of terms

Thus,
Sum = ((-5)(5^6 - 1))/(5-1) = -19530
5 0
3 years ago
Find two negative consecutive odd integers whose product is 143
Likurg_2 [28]
The answer is -11 and -13
4 0
3 years ago
The life expectancy (in hours) of an electric bulb is normally distributed with a mean of 5000 and a standard deviation of 1000.
Sergeu [11.5K]

Answer:

P(z>1.3) = 0.9032

Step-by-step explanation:

We are given:

Mean = 5000

Standard deviation = 1000

x = 6300

P(x>6300)=?

z-score =?

z-score = x- mean/standard deviation

z-score = 6300 - 5000/1000

z- score = 1300/1000

z-score = 1.3

So, P(x>6300) = P(z>1.3)

Looking at the z-probability distribution table and finding value:

P(z>1.3) = 0.9032

So, P(z>1.3) = 0.9032

7 0
3 years ago
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