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inessss [21]
3 years ago
12

Please help me please

Mathematics
1 answer:
Volgvan3 years ago
3 0
The answer is 1.29k = t
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The population of a type of local dragonfly can be found using an infinite geometric series where a1 = 65 and the common ratio i
hram777 [196]
In mathematics, number sequencing of the same pattern are called progression. There are three types of progression: arithmetic, harmonic and geometric. The pattern in arithmetic is called common difference, while the pattern in geometric is called common ratio. Harmonic progression is just the reciprocal of the arithmetic sequence.

The common ratio is denoted as r. For values of r<1, the sum of the infinite series is equal to

S∞ = A₁/(1-r), where A1 is the first term of the sequence. Substituting A₁=65 and r=1/6:

S∞ = A₁/(1-r) = 65/(1-1/6)
S∞ = 78


6 0
3 years ago
Which is the correct formula to find the distance between two points (a, b) and (c, d)?
stepan [7]

Answer:

Learn how to find the distance between two points by using the distance formula, which is an application of the Pythagorean theorem. We can rewrite the Pythagorean theorem as d=√((x_2-x_1)²+(y_2-y_1)²) to find the distance between any two points. Created by Sal Khan and CK-12 Foundation.

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3 years ago
Find the area and perimeter of a triangle with base 10cm and height of 8.5 cm
STALIN [3.7K]

Answer

Area is 85

Step-by-step explanation:Mutiply 10 and 8.5

5 0
3 years ago
A cake recipe calls for 40 milliliters of water for every 20 milliliters of cooking
Leni [432]

Answer:

B

Step-by-step explanation:

20x2 is 40, so 50x2 is 100

6 0
3 years ago
Mr. Smith paid $36.36 for a carpet. This amount includes a tax of 10%. What was the cost of the carpet before tax?
ser-zykov [4K]

Answer:

32.72

Step-by-step explanation:

36.36/100

0.3636

0.3636 times 90 (I use 90 because 100-10=90) 10% tax, so 90% original cost.

32.72

8 0
3 years ago
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